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Guam (; ch, Guåhan ) is an organized, unincorporated territory of the United States in the
Micronesia Micronesia (, ) is a subregion of Oceania, consisting of about 2,000 small islands in the western Pacific Ocean. It has a close shared cultural history with three other island regions: the Philippines to the west, Polynesia to the east, and ...
subregion of the western
Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
. It is the westernmost point and territory of the United States (reckoned from the geographic center of the U.S.); its capital Hagåtña (144°45'00"E) lies further west than
Melbourne Melbourne ( ; Boonwurrung/Woiwurrung: ''Narrm'' or ''Naarm'') is the capital and most populous city of the Australian state of Victoria, and the second-most populous city in both Australia and Oceania. Its name generally refers to a met ...
, Australia (144°57'47"E). In
Oceania Oceania (, , ) is a region, geographical region that includes Australasia, Melanesia, Micronesia, and Polynesia. Spanning the Eastern Hemisphere, Eastern and Western Hemisphere, Western hemispheres, Oceania is estimated to have a land area of ...
, Guam is the largest and southernmost of the
Mariana Islands The Mariana Islands (; also the Marianas; in Chamorro: ''Manislan Mariånas'') are a crescent-shaped archipelago comprising the summits of fifteen longitudinally oriented, mostly dormant volcanic mountains in the northwestern Pacific Ocean, betw ...
and the largest island in
Micronesia Micronesia (, ) is a subregion of Oceania, consisting of about 2,000 small islands in the western Pacific Ocean. It has a close shared cultural history with three other island regions: the Philippines to the west, Polynesia to the east, and ...
. Guam's capital is Hagåtña, and the most populous village is
Dededo Dededo ( ch, Dedidu; formerly in Spanish: , in Japanese: , ''Dededo'') is the most populated village in the United States territory of Guam. According to the U.S. Census Bureau, Dededo's population was just under 45,000 in 2020. The village is loca ...
. People born on Guam are
American citizens Citizenship of the United States is a legal status that entails Americans with specific rights, duties, protections, and benefits in the United States. It serves as a foundation of fundamental rights derived from and protected by the Constituti ...
but have no vote in the
United States presidential elections The election of the president and the vice president of the United States is an indirect election in which citizens of the United States who are registered to vote in one of the fifty U.S. states or in Washington, D.C., cast ballots not dire ...
while residing on Guam and Guam delegates to the
United States House of Representatives The United States House of Representatives, often referred to as the House of Representatives, the U.S. House, or simply the House, is the Lower house, lower chamber of the United States Congress, with the United States Senate, Senate being ...
have no vote on the floor. Indigenous Guamanians are the
Chamoru Chamorro (; ch, Finuʼ Chamorro, links=no (CNMI), (Guam)) is an Austronesian language spoken by about 58,000 people (about 25,800 people on Guam and about 32,200 in the rest of the Mariana Islands and elsewhere). It is the native and spoken l ...
, historically known as the
Chamorro Chamorro may refer to: * Chamorro people, the indigenous people of the Mariana Islands in the Western Pacific * Chamorro language, an Austronesian language indigenous to The Marianas * Chamorro Time Zone, the time zone of Guam and the Northern Mari ...
, who are related to the Austronesian peoples of Indonesia, the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
,
Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...
,
Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...
,
Micronesia Micronesia (, ) is a subregion of Oceania, consisting of about 2,000 small islands in the western Pacific Ocean. It has a close shared cultural history with three other island regions: the Philippines to the west, Polynesia to the east, and ...
, and
Polynesia Polynesia () "many" and νῆσος () "island"), to, Polinisia; mi, Porinihia; haw, Polenekia; fj, Polinisia; sm, Polenisia; rar, Porinetia; ty, Pōrīnetia; tvl, Polenisia; tkl, Polenihia (, ) is a subregion of Oceania, made up of ...
. As of 2022, Guam's population is 168,801. Chamoros are the largest ethnic group, but a minority on the multi-ethnic island. The territory spans and has a population density of . The Chamoro people settled the island approximately 3,500 years ago. Portuguese explorer
Ferdinand Magellan Ferdinand Magellan ( or ; pt, Fernão de Magalhães, ; es, link=no, Fernando de Magallanes, ; 4 February 1480 – 27 April 1521) was a Portuguese explorer. He is best known for having planned and led the 1519 Spanish expedition to the East ...
, while in the service of Spain, was the first European to visit the island on March 6, 1521. Guam was colonized by
Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , i ...
in 1668. Between the 16th and 18th centuries, Guam was an important stopover for the Spanish
Manila Galleons fil, Galyon ng Maynila , english_name = Manila Galleon , duration = From 1565 to 1815 (250 years) , venue = Between Manila and Acapulco , location = New Spain (Spanish Empire) ...
. During the
Spanish–American War , partof = the Philippine Revolution, the decolonization of the Americas, and the Cuban War of Independence , image = Collage infobox for Spanish-American War.jpg , image_size = 300px , caption = (clock ...
, the United States captured Guam on June 21, 1898. Under the
Treaty of Paris Treaty of Paris may refer to one of many treaties signed in Paris, France: Treaties 1200s and 1300s * Treaty of Paris (1229), which ended the Albigensian Crusade * Treaty of Paris (1259), between Henry III of England and Louis IX of France * Trea ...
, signed December 10, 1898, Spain ceded Guam to the U.S. effective April 11, 1899. Before
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
, Guam was one of five American jurisdictions in the Pacific Ocean, along with
Wake Island Wake Island ( mh, Ānen Kio, translation=island of the kio flower; also known as Wake Atoll) is a coral atoll in the western Pacific Ocean in the northeastern area of the Micronesia subregion, east of Guam, west of Honolulu, southeast of To ...
in Micronesia,
American Samoa American Samoa ( sm, Amerika Sāmoa, ; also ' or ') is an unincorporated territory of the United States located in the South Pacific Ocean, southeast of the island country of Samoa. Its location is centered on . It is east of the International ...
and
Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...
in Polynesia, and the Philippines. On December 8, 1941, hours after the
attack on Pearl Harbor The attack on Pearl HarborAlso known as the Battle of Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service upon the United States against the naval base at Pearl Harbor in Honolulu, Territory of Hawaii, j ...
, Guam was captured by the
Japanese Japanese may refer to: * Something from or related to Japan, an island country in East Asia * Japanese language, spoken mainly in Japan * Japanese people, the ethnic group that identifies with Japan through ancestry or culture ** Japanese diaspor ...
, who occupied the island for two and a half years. During the occupation, Guamanians were subjected to forced labor, incarceration, torture and execution. American forces recaptured the island on July 21, 1944, which is commemorated as
Liberation Day Liberation Day is a day, often a public holiday, that marks the liberation of a place, similar to an independence day. Liberation marks the date of either a revolution, as in Cuba, the fall of a dictatorship, as in Portugal, or the end of an oc ...
. Since the 1960s, Guam's economy has been supported primarily by tourism and the
U.S. military The United States Armed Forces are the military forces of the United States. The armed forces consists of six service branches: the Army, Marine Corps, Navy, Air Force, Space Force, and Coast Guard. The president of the United States is the ...
, for which Guam is a major strategic asset. An unofficial but frequently used territorial motto is "Where America's Day Begins", which refers to the island's proximity to the
International Date Line The International Date Line (IDL) is an internationally accepted demarcation on the surface of Earth, running between the South and North Poles and serving as the boundary between one calendar day and the next. It passes through the Pacific O ...
. Guam is among the 17 non-self-governing territories listed by the United Nations, and has been a member of the
Pacific Community The Pacific Community (PC), formerly the South Pacific Commission (SPC), is an international development organisation governed by 27 members, including 22 Pacific island countries and territories. The organisation's headquarters are in Nouméa ...
since 1983


History


Pre-Contact era

Guam, along with the
Mariana Islands The Mariana Islands (; also the Marianas; in Chamorro: ''Manislan Mariånas'') are a crescent-shaped archipelago comprising the summits of fifteen longitudinally oriented, mostly dormant volcanic mountains in the northwestern Pacific Ocean, betw ...
, were the first islands settled by humans in
Remote Oceania Remote Oceania is the part of Oceania settled within the last 3,000 to 3,500 years, comprising south-eastern Island Melanesia and islands in the open Pacific east of the Solomon Islands: Fiji, Micronesia, New Caledonia, New Zealand, Polynesia, t ...
. Incidentally it is also the first and the longest of the ocean-crossing voyages of the
Austronesian peoples The Austronesian peoples, sometimes referred to as Austronesian-speaking peoples, are a large group of peoples in Taiwan, Maritime Southeast Asia, Micronesia, coastal New Guinea, Island Melanesia, Polynesia, and Madagascar that speak Austro ...
, and is separate from the later Polynesian settlement of the rest of Remote Oceania. They were first settled around 1500 to 1400 BC by migrants departing from the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
. This was followed by a second migration from the
Caroline Islands The Caroline Islands (or the Carolines) are a widely scattered archipelago of tiny islands in the western Pacific Ocean, to the north of New Guinea. Politically, they are divided between the Federated States of Micronesia (FSM) in the centra ...
by the first millennium AD, and a third migration from
Island Southeast Asia Maritime Southeast Asia comprises the countries of Brunei, Indonesia, Malaysia, the Philippines, Singapore, and East Timor. Maritime Southeast Asia is sometimes also referred to as Island Southeast Asia, Insular Southeast Asia or Oceanic Sout ...
(likely the Philippines or eastern
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...
) by 900 AD. These original settlers of Guam and the
Northern Mariana Islands The Northern Mariana Islands, officially the Commonwealth of the Northern Mariana Islands (CNMI; ch, Sankattan Siha Na Islas Mariånas; cal, Commonwealth Téél Falúw kka Efáng llól Marianas), is an unincorporated territory and commonw ...
evolved into the Chamoru people, historically known as Chamorros after first contact with the Spaniards. The ancient Chamoru society had four classes: (chiefs), (upper class), (middle class), and (lower class). The were located in the coastal villages, which meant they had the best access to fishing grounds, whereas the were located in the island's interior. and rarely communicated with each other, and often used as intermediaries. There were also "" or "", shamans with magical powers and "'" or "", healers who used different kinds of plants and natural materials to make medicine. Belief in spirits of ancient Chamorus called "" still persists as a remnant of pre-European culture. It is believed that "" or "" are the only ones who can safely harvest plants and other natural materials from their homes or "" without incurring the wrath of the "." Their society was organized along
matrilineal Matrilineality is the tracing of kinship through the female line. It may also correlate with a social system in which each person is identified with their matriline – their mother's Lineage (anthropology), lineage – and which can in ...
clans. The Chamoru people raised colonnades of megalithic capped pillars called upon which they built their homes. Latte stones are stone pillars that are found only in the Mariana Islands; they are a recent development in Pre-Contact Chamoru society. The latte-stone was used as a foundation on which thatched huts were built. Latte stones consist of a base shaped from limestone called the and with a capstone, or , made either from a large brain coral or limestone, placed on top. A possible source for these stones, the
Rota Latte Stone Quarry Rota Latte Stone Quarry, also known as the As Nieves quarry, is located near the Chamorro village of Sinapalo, on the island of Rota in the Marianas Archipelago. The prehistoric megaliths found there are believed to have been used as foundation p ...
, was discovered in 1925 on Rota.


Spanish era

The first European to travel to Guam was Portuguese navigator
Ferdinand Magellan Ferdinand Magellan ( or ; pt, Fernão de Magalhães, ; es, link=no, Fernando de Magallanes, ; 4 February 1480 – 27 April 1521) was a Portuguese explorer. He is best known for having planned and led the 1519 Spanish expedition to the East ...
, sailing for the
King of Spain , coatofarms = File:Coat_of_Arms_of_Spanish_Monarch.svg , coatofarms_article = Coat of arms of the King of Spain , image = Felipe_VI_in_2020_(cropped).jpg , incumbent = Felipe VI , incumbentsince = 19 Ju ...
, when he sighted the island on March 6, 1521, during his fleet's circumnavigation of the globe. Despite Magellan's visit, Guam was not officially claimed by Spain until January 26, 1565, by
Miguel López de Legazpi Miguel López de Legazpi (12 June 1502 – 20 August 1572), also known as '' El Adelantado'' and ''El Viejo'' (The Elder), was a Spaniard who, from the age of 26, lived and built a career in Mexico (then the Viceroyalty of New Spain) and, i ...
. From 1565 to 1815, Guam and the Northern Mariana Islands, the only Spanish outposts in the Pacific Ocean east of the Philippines, were reprovisioning stops for the
Manila galleons fil, Galyon ng Maynila , english_name = Manila Galleon , duration = From 1565 to 1815 (250 years) , venue = Between Manila and Acapulco , location = New Spain (Spanish Empire) ...
, a fleet that covered the Pacific trade route between
Acapulco Acapulco de Juárez (), commonly called Acapulco ( , also , nah, Acapolco), is a city and major seaport in the state of Guerrero on the Pacific Coast of Mexico, south of Mexico City. Acapulco is located on a deep, semicircular bay and has bee ...
and
Manila Manila ( , ; fil, Maynila, ), officially the City of Manila ( fil, Lungsod ng Maynila, ), is the capital of the Philippines, and its second-most populous city. It is highly urbanized and, as of 2019, was the world's most densely populate ...
. Spanish colonization commenced on June 15, 1668, with the arrival of a mission led by
Diego Luis de San Vitores Diego Luis de San Vitores, SJ (November 12, 1627 – April 2, 1672) was a Spanish Jesuit missionary who founded the first Catholic church on the island of Guam. He is responsible for establishing the Christian presence in the Mariana Islands. He ...
, who established the first Catholic church. The islands were part of the
Spanish East Indies The Spanish East Indies ( es , Indias orientales españolas ; fil, Silangang Indiyas ng Espanya) were the overseas territories of the Spanish Empire in Asia-Pacific, Asia and Oceania from 1565 to 1898, governed for the Spanish Crown from Mexico C ...
, and in turn part of the
Viceroyalty of New Spain New Spain, officially the Viceroyalty of New Spain ( es, Virreinato de Nueva España, ), or Kingdom of New Spain, was an integral territorial entity of the Spanish Empire, established by Habsburg Spain during the Spanish colonization of the Amer ...
, based in
Mexico City Mexico City ( es, link=no, Ciudad de México, ; abbr.: CDMX; Nahuatl: ''Altepetl Mexico'') is the capital and largest city of Mexico, and the most populous city in North America. One of the world's alpha cities, it is located in the Valley o ...
. The Spanish-Chamorro Wars on Guam began in 1670 over growing tensions with the Jesuit mission, with the last large-scale uprising in 1683. Intermittent warfare, plus the typhoons of 1671 and 1693, and in particular the
smallpox Smallpox was an infectious disease caused by variola virus (often called smallpox virus) which belongs to the genus Orthopoxvirus. The last naturally occurring case was diagnosed in October 1977, and the World Health Organization (WHO) c ...
epidemic of 1688, reduced the Chamoru population from 50,000 to 10,000, finally to less than 5,000. Up until the late 19th century, Guam was encountered by adventurers from pirates including
Thomas Cavendish Sir Thomas Cavendish (1560 – May 1592) was an English explorer and a privateer known as "The Navigator" because he was the first who deliberately tried to emulate Sir Francis Drake and raid the Spanish towns and ships in the Pacific and retu ...
,
Olivier van Noort Olivier van Noort (1558 – 22 February 1627) was a Dutch merchant captain and pirate and the first Dutchman to circumnavigate the world.Quanchi, ''Historical Dictionary of the Discovery and Exploration of the Pacific Islands'', page 246 Olivier ...
,
John Eaton John Eaton may refer to: * John Eaton (divine) (born 1575), English divine *John Eaton (pirate) (fl. 1683–1686), English buccaneer *Sir John Craig Eaton (1876–1922), Canadian businessman *John Craig Eaton II (born 1937), Canadian businessman an ...
,
William Dampier William Dampier (baptised 5 September 1651; died March 1715) was an English explorer, pirate, privateer, navigator, and naturalist who became the first Englishman to explore parts of what is today Australia, and the first person to circumnav ...
,
Woodes Rogers Woodes Rogers ( 1679 – 15 July 1732) was an English sea captain, privateer, Atlantic slave trade, slave trader and, from 1718, the first List of colonial heads of the Bahamas, Royal Governor of the Bahamas. He is known as the captain of ...
,
John Clipperton John Clipperton (1676 – June 1722) was an English privateer who fought against the Spanish in the 18th century. He was involved in two buccaneering expeditions to the South Pacific—the first led by William Dampier in 1703, and the second under ...
,
George Shelvocke George Shelvocke (baptised 1 April 167530 November 1742) was an English Royal Navy officer and later privateer who in 1726 wrote ''A Voyage Round the World by Way of the Great South Sea'' based on his exploits. It includes an account of how his s ...
and William "Bully" Hayes. The island became a rest stop for whalers starting in 1823. A devastating typhoon struck the island on August 10, 1848, followed by a severe earthquake on January 25, 1849, which resulted in many refugees from the
Caroline Islands The Caroline Islands (or the Carolines) are a widely scattered archipelago of tiny islands in the western Pacific Ocean, to the north of New Guinea. Politically, they are divided between the Federated States of Micronesia (FSM) in the centra ...
, victims of the resultant
tsunami A tsunami ( ; from ja, 津波, lit=harbour wave, ) is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake. Earthquakes, volcanic eruptions and other underwater explo ...
. After a smallpox epidemic killed 3,644 Guamanians in 1856, Carolinians and Japanese were permitted to settle in the Marianas.


American era

After almost four centuries as part of the
Kingdom of Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , i ...
, the United States
occupied ' (Norwegian: ') is a Norwegian political thriller TV series that premiered on TV2 on 5 October 2015. Based on an original idea by Jo Nesbø, the series is co-created with Karianne Lund and Erik Skjoldbjærg. Season 2 premiered on 10 October 2 ...
the island following Spain's defeat in the 1898
Spanish–American War , partof = the Philippine Revolution, the decolonization of the Americas, and the Cuban War of Independence , image = Collage infobox for Spanish-American War.jpg , image_size = 300px , caption = (clock ...
, as part of the
Treaty of Paris of 1898 The Treaty of Peace between the United States of America and the Kingdom of Spain, commonly known as the Treaty of Paris of 1898 ( fil, Kasunduan sa Paris ng 1898; es, Tratado de París de 1898), was a treaty signed by Spain and the United Stat ...
. Guam was transferred to the
United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...
control on December 23, 1898, by Executive Order 108-A from 25th President
William McKinley William McKinley (January 29, 1843September 14, 1901) was the 25th president of the United States, serving from 1897 until his assassination in 1901. As a politician he led a realignment that made his Republican Party largely dominant in ...
. Guam was a station for American merchants and warships traveling to and from the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
(another American acquisition from Spain) while the
Northern Mariana Islands The Northern Mariana Islands, officially the Commonwealth of the Northern Mariana Islands (CNMI; ch, Sankattan Siha Na Islas Mariånas; cal, Commonwealth Téél Falúw kka Efáng llól Marianas), is an unincorporated territory and commonw ...
were sold by Spain to Germany for part of its rapidly expanding
German Empire The German Empire (),Herbert Tuttle wrote in September 1881 that the term "Reich" does not literally connote an empire as has been commonly assumed by English-speaking people. The term literally denotes an empire – particularly a hereditary ...
. A U.S. Navy yard was established at
Piti Piti may refer to: * Pīti, a mental factor in Buddhism * PITI, the principal, interest, taxes, and insurance sum of a mortgage payment * Piti (food), a soup dish of Central Asia * Piti (footballer) (born 1981), Spanish footballer * Piti, Guam * P ...
in 1899, and a
United States Marine Corps The United States Marine Corps (USMC), also referred to as the United States Marines, is the maritime land force service branch of the United States Armed Forces responsible for conducting expeditionary and amphibious operations through combi ...
barracks at
Sumay Sumay, also Sumai, was a village on the United States territory of Guam. It was located on the north coast of the Orote Peninsula along Apra Harbor. It was inhabited by Chamorro people before contact with Europeans. Sumay became a prosperous port ...
in 1901.Rottman, G. (2004) ''Guam 1941 & 1944: Loss and Reconquest''. Oxford: Osprey Publishing, A marine seaplane unit was stationed in Sumay from 1921 to 1930, the first in the Pacific. The
Commercial Pacific Cable Company Commercial Pacific Cable Company was founded in 1901, and ceased operations in October 1951. It provided the first direct telegraph route from America to the Philippines, China, and Japan. The company was established as a joint venture of three c ...
built a telegraph/telephone station in 1903 for the first trans-Pacific communications cable, followed by
Pan American World Airways Pan American World Airways, originally founded as Pan American Airways and commonly known as Pan Am, was an American airline that was the principal and largest international air carrier and unofficial overseas flag carrier of the United States ...
established a seaplane base at Sumay for its trans-Pacific ''
China Clipper ''China Clipper'' (NC14716) was the first of three Martin M-130 four-engine flying boats built for Pan American Airways and was used to inaugurate the first commercial transpacific airmail service from San Francisco to Manila on November 22, 193 ...
'' route.


World War II

During
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
, the
Empire of Japan The also known as the Japanese Empire or Imperial Japan, was a historical nation-state and great power that existed from the Meiji Restoration in 1868 until the enactment of the post-World War II 1947 constitution and subsequent fo ...
attacked and invaded in the 1941 Battle of Guam on December 8, at the same time as the
attack on Pearl Harbor The attack on Pearl HarborAlso known as the Battle of Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service upon the United States against the naval base at Pearl Harbor in Honolulu, Territory of Hawaii, j ...
. The Japanese renamed Guam (Great Shrine Island). The
Japanese occupation of Guam The Japanese occupation of Guam was the period in the history of Guam between 1941 and 1944 when Imperial Japanese forces occupied Guam during World War II. The island was renamed Ōmiya-Jima ('Great Shrine Island'). Events leading to the occu ...
lasted about 31 months. During this period, the indigenous people of Guam were subjected to forced labor, family separation, incarceration, execution, concentration camps, and forced prostitution. Approximately 1,000 people died during the occupation, according to later US
Congressional A congress is a formal meeting of the representatives of different countries, constituent states, organizations, trade unions, political parties, or other groups. The term originated in Late Middle English to denote an encounter (meeting of ...
committee testimony in 2004. Some historians estimate that war violence killed 10% of Guam's then 20,000 population. The
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
returned and fought the 1944 Battle of Guam from July 21 to August 10, to recapture the island. July 21 is now a territorial holiday,
Liberation Day Liberation Day is a day, often a public holiday, that marks the liberation of a place, similar to an independence day. Liberation marks the date of either a revolution, as in Cuba, the fall of a dictatorship, as in Portugal, or the end of an oc ...
.


Post-war

After World War II, the
Guam Organic Act of 1950 The Guam Organic Act of 1950, ( ''et seq.'', ) is a United States federal law that redesignated the island of Guam as an unincorporated territory of the United States, established executive, legislative, and judicial branches, and transferred fe ...
established Guam as an unincorporated organized territory of the United States, provided for the structure of the island's civilian government, and granted the people U.S. citizenship. The Governor of Guam was federally appointed until 1968 when the Guam Elective Governor Act provided for the office's popular election. Since Guam is not a U.S. state, U.S. citizens residing on Guam are not allowed to vote for president and their congressional representative is a non-voting member. They do, however, get to vote for party delegates in presidential primaries. In 1969, a referendum on unification with the Northern Mariana Islands was held and rejected. During the 1970s, Dr.
Maryly Van Leer Peck Maryly Van Leer Peck (June 29, 1930 – November 3, 2011) was an American academic and college administrator. She founded the Community Career College at the University of Guam (which merged into Guam Community College in November 1977). She ...
started an engineering program, expanded
University of Guam University of Guam ( ch, Unibetsedåt Guåhan) (U.O.G.) is a public land-grant university in Mangilao, Guam. It is accredited by the Western Association of Schools and Colleges and offers thirty-four degree programs at the undergraduate level a ...
, and founded
Guam Community College Guam Community College (GCC) is a community college in Mangilao, Guam. It was officially created by Public Law 14–77 in 1977. This law created the college by consolidating several pre-existing programs from a variety of institutions, including t ...
. The removal of Guam's security clearance by President John F. Kennedy in 1963 allowed for the development of a
tourism Tourism is travel for pleasure or business; also the theory and practice of touring (disambiguation), touring, the business of attracting, accommodating, and entertaining tourists, and the business of operating tour (disambiguation), tours. Th ...
industry. When the United States closed
U.S. Naval Base Subic Bay Naval Base Subic Bay was a major ship-repair, supply, and rest and recreation facility of the Spanish Navy and subsequently the United States Navy located in Zambales, Philippines. The base was 262 square miles, about the size of Singapore. Th ...
and
Clark Air Base Clark Air Base is a Philippine Air Force base on Luzon Island in the Philippines, located west of Angeles City, about northwest of Metro Manila. Clark Air Base was previously a United States military facility, operated by the U.S. Air Forc ...
bases in the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
after the expiration of their leases in the early 1990s, many of the forces stationed there were relocated to Guam. The
1997 Asian financial crisis The Asian financial crisis was a period of financial crisis that gripped much of East Asia and Southeast Asia beginning in July 1997 and raised fears of a worldwide economic meltdown due to financial contagion. However, the recovery in 1998–1 ...
, which hit Japan particularly hard, severely affected Guam's tourism industry. Military cutbacks in the 1990s also disrupted the island's economy. Economic recovery was further hampered by devastation from Supertyphoons Paka in 1997 and Pongsona in 2002, as well as the effects of the
September 11 terrorist attacks The September 11 attacks, commonly known as 9/11, were four coordinated suicide terrorist attacks carried out by al-Qaeda against the United States on Tuesday, September 11, 2001. That morning, nineteen terrorists hijacked four commercial ...
on tourism.


Geography and environment

Guam is long and wide, giving it an area of and making it the 32nd largest island of the United States. It is the southernmost and largest island in the
Mariana Island The Mariana Islands (; also the Marianas; in Chamorro: ''Manislan Mariånas'') are a crescent-shaped archipelago comprising the summits of fifteen longitudinally oriented, mostly dormant volcanic mountains in the northwestern Pacific Ocean, betw ...
archipelago, as well as the largest in
Micronesia Micronesia (, ) is a subregion of Oceania, consisting of about 2,000 small islands in the western Pacific Ocean. It has a close shared cultural history with three other island regions: the Philippines to the west, Polynesia to the east, and ...
. Guam's Point Udall is the westernmost point of the U.S., as measured from the
geographic center of the United States The geographic center of the United States is a point approximately north of Belle Fourche, South Dakota at . It has been regarded as such by the U.S. National Geodetic Survey (NGS) since the additions of Alaska and Hawaii to the United States ...
. The Mariana chain of which Guam is a part was created by collision of the Pacific and Philippine Sea
tectonic plate Plate tectonics (from the la, label=Late Latin, tectonicus, from the grc, τεκτονικός, lit=pertaining to building) is the generally accepted scientific theory that considers the Earth's lithosphere to comprise a number of large te ...
s, with Guam located on the micro Mariana Plate between the two. Guam is the closest land mass to the
Mariana Trench The Mariana Trench is an oceanic trench located in the western Pacific Ocean, about east of the Mariana Islands; it is the deepest oceanic trench on Earth. It is crescent-shaped and measures about in length and in width. The maximum know ...
, the deep
subduction zone Subduction is a geological process in which the oceanic lithosphere is recycled into the Earth's mantle at convergent boundaries. Where the oceanic lithosphere of a tectonic plate converges with the less dense lithosphere of a second plate, the ...
that runs east of the Marianas. Volcanic eruptions established the base of the island in the
Eocene The Eocene ( ) Epoch is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene' ...
, roughly 56 to 33.9 million years ago. The north of Guam is a result of this base being covered with layers of
coral reef A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. Most coral reefs are built from stony corals, whose polyps cluster in groups. Co ...
, turning into
limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...
, and then being thrust upward by tectonic activity to create a plateau. The rugged south of the island is a result of more recent volcanic activity.
Cocos Island Cocos Island ( es, Isla del Coco) is an island in the Pacific Ocean administered by Costa Rica, approximately southwest of the Costa Rican mainland. It constitutes the 11th of the 13 districts of Puntarenas Canton of the Province of Puntarenas ...
off the southern tip of Guam is the largest of the many small
islet An islet is a very small, often unnamed island. Most definitions are not precise, but some suggest that an islet has little or no vegetation and cannot support human habitation. It may be made of rock, sand and/or hard coral; may be permanent ...
s along the coastline. Guam's highest point is
Mount Lamlam Mount Lamlam (meaning ''lightning'' in Chamoru) is a peak on the United States island of Guam. It is located near the village of Agat ( north), in the south-west of the island. Rising to above sea level, the distance from the peak to the bottom ...
at above sea level."Geography of Guam". ''Official site of Guam'', April 19, 2014. Retrieved April 19, 2014, from . If its base is considered to be the nearby ''Challenger'' Deep, the deepest surveyed point in the
Oceans The ocean (also the sea or the world ocean) is the body of salt water that covers approximately 70.8% of the surface of Earth and contains 97% of Earth's water. An ocean can also refer to any of the large bodies of water into which the worl ...
, Mount Lamlam is the world's highest mountain at . Politically, Guam is divided into 19 villages. The majority of the population lives on the coralline limestone plateaus of the north, with political and economic activity centered in the central and northern regions. The rugged geography of the south largely limits settlement to rural coastal areas. The western coast is
leeward Windward () and leeward () are terms used to describe the direction of the wind. Windward is ''upwind'' from the point of reference, i.e. towards the direction from which the wind is coming; leeward is ''downwind'' from the point of reference ...
of the
trade winds The trade winds or easterlies are the permanent east-to-west prevailing winds that flow in the Earth's equatorial region. The trade winds blow mainly from the northeast in the Northern Hemisphere and from the southeast in the Southern Hemisph ...
and is the location of
Apra Harbor Apra Harbor, also called Port Apra, is a deep-water port on the western side of the United States territory of Guam. It is considered one of the best natural ports in the Pacific Ocean. The harbor is bounded by Cabras Island and the Glass Breakwa ...
, the capital Hagåtña, and the tourist center of
Tumon Tumon ( ch, Tomhom) is a district located on Tumon Bay along the northwest coast of the United States unincorporated territory of Guam. Located in the municipality of Tamuning, it is the center of Guam's tourist industry. History Tumon Bay or A ...
. The
U.S. Defense Department The United States Department of Defense (DoD, USDOD or DOD) is an executive branch department of the federal government charged with coordinating and supervising all agencies and functions of the government directly related to national secur ...
owns about 29% of the island, under the management of
Joint Region Marianas Joint Region Marianas' mission is to provide installation management support to all Department of Defense components and tenants through assigned regional installations on Guam and the Northern Mariana Islands in support of training in the Mariana ...
.


Climate

Guam has a
tropical rainforest climate A tropical rainforest climate, humid tropical climate or equatorial climate is a tropical climate sub-type usually found within 10 to 15 degrees latitude of the equator. There are some other areas at higher latitudes, such as the coast of southea ...
(
Köppen Köppen is a German surname. Notable people with the surname include: * Bernd Köppen (born 1951), German pianist and composer * Carl Köppen (1833-1907), German military advisor in Meiji era Japan * Edlef Köppen (1893–1939), German author and ...
''Af''), though its driest month of March almost averages dry enough to qualify as a
tropical monsoon climate An area of tropical monsoon climate (occasionally known as a sub-equatorial, tropical wet climate or a tropical monsoon and trade-wind littoral climate) is a tropical climate sub-type that corresponds to the Köppen climate classification category ...
(Köppen ''Am''). The weather is generally hot and humid throughout the year with little seasonal temperature variation. Hence, Guam is known to have equable temperatures year-round.
Trade winds The trade winds or easterlies are the permanent east-to-west prevailing winds that flow in the Earth's equatorial region. The trade winds blow mainly from the northeast in the Northern Hemisphere and from the southeast in the Southern Hemisph ...
are fairly constant throughout the year, but there is often a weak westerly monsoon influence in summer. Guam has two distinct seasons: Wet and dry season. The dry season runs from January through May and June being the transitional period. The wet season runs from July through November with an average annual rainfall between 1981 and 2010 of around . The wettest month on record at Guam Airport has been August 1997 with and the driest was February 2015 with . The wettest calendar year has been 1976 with and the driest was in 1998 with . The most rainfall in a single day occurred on October 15, 1953, when fell. The mean high temperature is and mean low is . Temperatures rarely exceed or fall below . The
relative humidity Humidity is the concentration of water vapor present in the air. Water vapor, the gaseous state of water, is generally invisible to the human eye. Humidity indicates the likelihood for precipitation, dew, or fog to be present. Humidity depe ...
commonly exceeds 84 percent at night throughout the year, but the average monthly humidity hovers near 66 percent. The highest temperature ever recorded in Guam was on April 18, 1971, and April 1, 1990. A record low of was set on February 1, 2021, while the lowest recorded temperature was 65 °F (18.3 °C), set on February 8, 1973. Guam lies in the path of
typhoon A typhoon is a mature tropical cyclone that develops between 180° and 100°E in the Northern Hemisphere. This region is referred to as the Northwestern Pacific Basin, and is the most active tropical cyclone basin on Earth, accounting for a ...
s and it is common for the island to be threatened by tropical storms and possible typhoons during the wet season. The highest risk of typhoons is from August through November, where typhoons and tropical storms are most probable in the western Pacific. They can, however, occur year-round. Typhoons that have caused major damage on Guam in the American period include the Typhoon of 1900,
Karen Karen may refer to: * Karen (name), a given name and surname * Karen (slang), a term and meme for a demanding woman displaying certain behaviors People * Karen people, an ethnic group in Myanmar and Thailand ** Karen languages or Karenic l ...
(1962),
Pamela Pamela may refer to: *''Pamela; or, Virtue Rewarded'', a novel written by Samuel Richardson in 1740 *Pamela (name), a given name and, rarely, a surname *Pamela Spence, a Turkish pop-rock singer. Known as her stage name "Pamela" * MSC ''Pamela'', ...
(1976), Paka (1997), and Pongsona (2002). Since Typhoon Pamela in 1976, wooden structures have been largely replaced by concrete structures. During the 1980s, wooden utility poles began to be replaced by typhoon-resistant concrete and steel poles. After the local Government enforced stricter construction codes, many home and business owners built their structures out of reinforced concrete with installed
typhoon shutters Hurricane coverings, commonly known as shutters, are used in hurricane mitigation to protect houses and other structures from damage caused by storms. Hurricane shutters are used to prevent windows from being broken by flying objects during a st ...
.


Ecology

Guam has experienced severe impacts from
invasive species An invasive species otherwise known as an alien is an introduced organism that becomes overpopulated and harms its new environment. Although most introduced species are neutral or beneficial with respect to other species, invasive species ad ...
upon the natural
biodiversity Biodiversity or biological diversity is the variety and variability of life on Earth. Biodiversity is a measure of variation at the genetic (''genetic variability''), species (''species diversity''), and ecosystem (''ecosystem diversity'') l ...
of the island. These include the
local extinction Local extinction, also known as extirpation, refers to a species (or other taxon) of plant or animal that ceases to exist in a chosen geographic area of study, though it still exists elsewhere. Local extinctions are contrasted with global extinct ...
of endemic bird species after the introduction of the
brown tree snake The brown tree snake (''Boiga irregularis''), also known as the brown catsnake, is an arboreal rear-fanged colubrid snake native to eastern and northern coastal Australia, eastern Indonesia (Sulawesi to Papua), Papua New Guinea, and many islands ...
, an infestation of the
Asiatic rhinoceros beetle The Asiatic rhinoceros beetle, coconut rhinoceros beetle or coconut palm rhinoceros beetle, (''Oryctes rhinoceros'') is a species of rhinoceros beetle of the family Scarabaeidae. ''O. rhinoceros'' attacks the developing fronds of raffia, coconu ...
destroying
coconut The coconut tree (''Cocos nucifera'') is a member of the palm tree family ( Arecaceae) and the only living species of the genus ''Cocos''. The term "coconut" (or the archaic "cocoanut") can refer to the whole coconut palm, the seed, or the ...
palms, and the effect of introduced
feral A feral () animal or plant is one that lives in the wild but is descended from domesticated individuals. As with an introduced species, the introduction of feral animals or plants to non-native regions may disrupt ecosystems and has, in some ...
mammal Mammals () are a group of vertebrate animals constituting the class Mammalia (), characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur or ...
s and
amphibian Amphibians are tetrapod, four-limbed and ectothermic vertebrates of the Class (biology), class Amphibia. All living amphibians belong to the group Lissamphibia. They inhabit a wide variety of habitats, with most species living within terres ...
s.
Wildfire A wildfire, forest fire, bushfire, wildland fire or rural fire is an unplanned, uncontrolled and unpredictable fire in an area of Combustibility and flammability, combustible vegetation. Depending on the type of vegetation present, a wildfire ...
s plague the forested areas of Guam every
dry season The dry season is a yearly period of low rainfall, especially in the tropics. The weather in the tropics is dominated by the tropical rain belt, which moves from the northern to the southern tropics and back over the course of the year. The te ...
despite the island's humid climate. Most fires are caused by humans with 80% resulting from
arson Arson is the crime of willfully and deliberately setting fire to or charring property. Although the act of arson typically involves buildings, the term can also refer to the intentional burning of other things, such as motor vehicles, wat ...
. Poachers often start fires to attract deer to the new growth. Invasive grass species that rely on fire as part of their natural life cycle grow in many regularly burned areas. Grasslands and "barrens" have replaced previously forested areas leading to greater soil erosion. During the rainy season, sediment is carried by the heavy rains into the
Fena Lake Fena Lake (Reservoir) is the largest lake in the United States territory of Guam and it is a man made reservoir. It is located in the south of the island on the Ordnance Annex military installation, and is overlooked by the nearby peaks of Mount ...
Reservoir and
Ugum River The Ugum River is a river in the United States territory of Guam. See also *List of rivers of Guam This is a list of rivers in Guam, a ( U.S. territory) in the western Pacific Ocean. The list is arranged alphabetically by the name of the river. ...
, leading to water quality problems for southern Guam. Eroded silt also destroys the marine life in reefs around the island. Soil stabilization efforts by volunteers and forestry workers (planting trees) have had little success in preserving natural habitats. Efforts have been made to protect Guam's coral reef habitats from pollution, eroded silt and overfishing, problems that have led to decreased fish populations. This has both ecological and economic value, as Guam is a significant vacation spot for scuba divers, and one study found that Guam's reefs are worth $127 million per year. In recent years, the Department of Agriculture, Division of Aquatic and Wildlife Resources has established several new marine preserves where fish populations are monitored by biologists. These are located at
Pati Point Pati Point is the easternmost point of Guam. It is located in the far north of the island, close to Andersen Air Force Base. A long reef-protected bay lies to the west of Pati Point, separating it from the island's northernmost point, Ritidian Poi ...
,
Piti Bomb Holes Piti Bomb Holes Marine Preserve is a marine protected area comprising all of Piti Bay on the western coast of Guam, located off of the village of Piti in the Philippine Sea. The defining "bomb hole" features, named because they look like bomb cra ...
,
Sasa Bay Apra Harbor, also called Port Apra, is a deep-water port on the western side of the United States territory of Guam. It is considered one of the best natural ports in the Pacific Ocean. The harbor is bounded by Cabras Island and the Glass Breakwat ...
,
Achang Reef Flat The Achang (), also known as the Ngac'ang (their own name) is an ethnic group.They are one of tibeto burman language speaking people. They form one of the 56 ethnic groups officially recognized by the People's Republic of China. They also live i ...
, and
Tumon Bay Tumon Bay is a bay in the United States territory of Guam, opening to the Philippine Sea. It is bounded to the north by Two Lovers Point and to the south by Ypao Point. The entirety of the bay falls within the Tumon Bay Marine Preserve, also known ...
. Before adopting
U.S. Environmental Protection Agency The Environmental Protection Agency (EPA) is an independent executive agency of the United States federal government tasked with environmental protection matters. President Richard Nixon proposed the establishment of EPA on July 9, 1970; it be ...
standards, portions of Tumon Bay were dredged by the hotel chains to provide a better experience for hotel guests. Tumon Bay has since been made into a preserve. A federal
Guam National Wildlife Refuge The Guam National Wildlife Refuge is composed of three units: the Andersen Air Force Base Overlay Unit (Air Force Overlay Unit), the Navy Overlay Unit, and the Ritidian Unit. The Ritidian Unit, known to the native CHamoru people as Puntan Litekyan, ...
in northern Guam protects the decimated
sea turtle Sea turtles (superfamily Chelonioidea), sometimes called marine turtles, are reptiles of the order Testudines and of the suborder Cryptodira. The seven existing species of sea turtles are the flatback, green, hawksbill, leatherback, loggerhead, ...
population in addition to a small colony of
Mariana fruit bats The Mariana fruit bat (''Pteropus mariannus''), also known as the Mariana flying fox, and the ''fanihi'' in Chamorro, is a megabat found only in the Mariana Islands and Ulithi (an atoll in the Caroline Islands). Habitat loss has driven it to enda ...
. Harvest of sea turtle eggs was a common occurrence on Guam before World War II. The
green sea turtle The green sea turtle (''Chelonia mydas''), also known as the green turtle, black (sea) turtle or Pacific green turtle, is a species of large sea turtle of the family Cheloniidae. It is the only species in the genus ''Chelonia''. Its range exten ...
(''Chelonia mydas'') was harvested legally on Guam before August 1978, when it was listed as threatened under the Endangered Species Act. The
hawksbill sea turtle The hawksbill sea turtle (''Eretmochelys imbricata'') is a critically endangered sea turtle belonging to the family Cheloniidae. It is the only extant species in the genus ''Eretmochelys''. The species has a global distribution, that is largel ...
(''Eretmochelys imbricata'') has been on the endangered list since 1970. In an effort to ensure the protection of sea turtles on Guam, routine sightings are counted during aerial surveys and nest sites are recorded and monitored for hatchlings.


Demographics

According to the
2010 United States Census The United States census of 2010 was the twenty-third United States national census. National Census Day, the reference day used for the census, was April 1, 2010. The census was taken via mail-in citizen self-reporting, with enumerators servin ...
, the largest ethnic group were the native Chamorus, accounting for 37.3% of the total population. Asians (including Filipinos, Koreans, Chinese, and Japanese) accounted for 33% of the total population. Other ethnic groups of
Micronesia Micronesia (, ) is a subregion of Oceania, consisting of about 2,000 small islands in the western Pacific Ocean. It has a close shared cultural history with three other island regions: the Philippines to the west, Polynesia to the east, and ...
(including those of Chuukese, Palauan, and
Pohnpeians The Micronesians or Micronesian peoples are various closely related ethnic groups native to Micronesia, a region of Oceania in the Pacific Ocean. They are a part of the Austronesian ethnolinguistic group, which has an Urheimat in Taiwan. Ethn ...
) accounted for 10%; 9.4% of the population were
multiracial Mixed race people are people of more than one race or ethnicity. A variety of terms have been used both historically and presently for mixed race people in a variety of contexts, including ''multiethnic'', ''polyethnic'', occasionally ''bi-ethn ...
(two or more races); and
White Americans White Americans are Americans who identify as and are perceived to be white people. This group constitutes the majority of the people in the United States. As of the 2020 Census, 61.6%, or 204,277,273 people, were white alone. This represented ...
made up 7.1% of the total population. The estimated interracial marriage rate is over 40%. The official languages of the island are English and
Chamoru Chamorro (; ch, Finuʼ Chamorro, links=no (CNMI), (Guam)) is an Austronesian language spoken by about 58,000 people (about 25,800 people on Guam and about 32,200 in the rest of the Mariana Islands and elsewhere). It is the native and spoken l ...
Filipino Filipino may refer to: * Something from or related to the Philippines ** Filipino language, standardized variety of 'Tagalog', the national language and one of the official languages of the Philippines. ** Filipinos, people who are citizens of th ...
is also commonly spoken across the island. Other Pacific and Asian languages are spoken in Guam as well.
Spanish Spanish might refer to: * Items from or related to Spain: **Spaniards are a nation and ethnic group indigenous to Spain **Spanish language, spoken in Spain and many Latin American countries **Spanish cuisine Other places * Spanish, Ontario, Cana ...
, which was the language of administration for 300 years, influenced the Chamoru language. The predominant religion of Guam is
Christianity Christianity is an Abrahamic monotheistic religion based on the life and teachings of Jesus of Nazareth. It is the world's largest and most widespread religion with roughly 2.38 billion followers representing one-third of the global pop ...
. Three-quarters of the population adheres to
Roman Catholicism The Catholic Church, also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.3 billion baptized Catholics Catholic Church by country, worldwide . It is am ...
, while most of the remainder belong to
Protestant Protestantism is a Christian denomination, branch of Christianity that follows the theological tenets of the Reformation, Protestant Reformation, a movement that began seeking to reform the Catholic Church from within in the 16th century agai ...
churches. According to the
Pew Research Center The Pew Research Center is a nonpartisan American think tank (referring to itself as a "fact tank") based in Washington, D.C. It provides information on social issues, public opinion, and demographic trends shaping the United States and the w ...
, the religious demography of Guam in 2010 was as follows: *
Roman Catholicism The Catholic Church, also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.3 billion baptized Catholics Catholic Church by country, worldwide . It is am ...
: 75% *
Protestantism Protestantism is a branch of Christianity that follows the theological tenets of the Protestant Reformation, a movement that began seeking to reform the Catholic Church from within in the 16th century against what its followers perceived to b ...
: 17.7% * Other religions: 1.6% * Folk religions: 1.5% * Other Christianity: 1.4% *
Buddhism Buddhism ( , ), also known as Buddha Dharma and Dharmavinaya (), is an Indian religion or philosophical tradition based on teachings attributed to the Buddha. It originated in northern India as a -movement in the 5th century BCE, and gra ...
: 1.1% *
Eastern Orthodoxy Eastern Orthodoxy, also known as Eastern Orthodox Christianity, is one of the three main Branches of Christianity, branches of Chalcedonian Christianity, alongside Catholic Church, Catholicism and Protestantism. Like the Pentarchy of the first m ...
: <1% *
Hinduism Hinduism () is an Indian religion or '' dharma'', a religious and universal order or way of life by which followers abide. As a religion, it is the world's third-largest, with over 1.2–1.35 billion followers, or 15–16% of the global p ...
: <1% *
Islam Islam (; ar, ۘالِإسلَام, , ) is an Abrahamic religions, Abrahamic Monotheism#Islam, monotheistic religion centred primarily around the Quran, a religious text considered by Muslims to be the direct word of God in Islam, God (or ...
: <1% *
Judaism Judaism ( he, ''Yahăḏūṯ'') is an Abrahamic, monotheistic, and ethnic religion comprising the collective religious, cultural, and legal tradition and civilization of the Jewish people. It has its roots as an organized religion in the ...
: <1%


Culture

The culture of Guam is a reflection of traditional
Chamoru Chamorro (; ch, Finuʼ Chamorro, links=no (CNMI), (Guam)) is an Austronesian language spoken by about 58,000 people (about 25,800 people on Guam and about 32,200 in the rest of the Mariana Islands and elsewhere). It is the native and spoken l ...
customs in combination with American, Spanish and Mexican traditions. Post-European-contact
Chamoru Chamorro (; ch, Finuʼ Chamorro, links=no (CNMI), (Guam)) is an Austronesian language spoken by about 58,000 people (about 25,800 people on Guam and about 32,200 in the rest of the Mariana Islands and elsewhere). It is the native and spoken l ...
Guamanian culture is a combination of American, Spanish, Filipino, other Micronesian Islander and Mexican traditions. Few indigenous pre-Hispanic customs remained following Spanish contact but include plaiting and pottery, and there has been a resurgence of interest among the Chamoru to preserve the language and culture. Hispanic influences are manifested in the local language, music, dance, sea navigation, cuisine, fishing, games (such as , , , and ), songs, and fashion. The island's original community is of Chamorro natives who have inhabited Guam for almost 4000 years. They had their own language related to the languages of Indonesia and southeast Asia. The Spanish later called them Chamorros (a derivative of the word Chamorri is "noble race"). They began to grow rice on the island. Historically, the native people of Guam venerated the bones of their ancestors, keeping the skulls in their houses in small baskets, and practicing incantations before them when it was desired to attain certain objects. During Spanish rule (1668–1898) the majority of the population was converted to
Catholicism The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...
and religious festivities such as Easter and Christmas became widespread. Many Chamorus have
Spanish surnames Spanish names are the traditional way of identifying, and the official way of registering, a person in Spain. They comprise a given name (simple or composite) and two surnames (the first surname of each parent). Traditionally, the first surname ...
, although few of the inhabitants are themselves descended from the Spaniards. Instead, Spanish names and surnames became commonplace after their conversion to Catholicism and the imposition of the
Catálogo alfabético de apellidos The Catálogo alfabético de apellidos ( en, Alphabetical Catalogue of Surnames; fil, Alpabetikong Katalogo ng mga apelyido) is a book of surnames in the Philippines and other islands of Spanish East Indies published in the mid-19th century. Th ...
in Guam. Historically, the diet of the native inhabitants of Guam consisted of fish, fowl, rice,
breadfruit Breadfruit (''Artocarpus altilis'') is a species of flowering tree in the mulberry and jackfruit family (Moraceae) believed to be a domesticated descendant of ''Artocarpus camansi'' originating in New Guinea, the Maluku Islands, and the Philippi ...
,
taro Taro () (''Colocasia esculenta)'' is a root vegetable. It is the most widely cultivated species of several plants in the family Araceae that are used as vegetables for their corms, leaves, and petioles. Taro corms are a food staple in Africa ...
, yams, bananas, and coconuts used in a variety of dishes. Post-contact Chamoru cuisine is largely based on corn, and includes tortillas, tamales, atole, and chilaquiles, which are a clear influence from
Mesoamerica Mesoamerica is a historical region and cultural area in southern North America and most of Central America. It extends from approximately central Mexico through Belize, Guatemala, El Salvador, Honduras, Nicaragua, and northern Costa Rica. W ...
, principally Mexico, from Spanish trade with Asia. Due to foreign cultural influence from Spain, most aspects of the early indigenous culture have been lost, though there has been a resurgence in preserving any remaining pre-Hispanic culture in the last few decades. Some scholars have traveled throughout the Pacific Islands conducting research to study what the original Chamoru cultural practices such as dance, language, and canoe building may have been like.


Sports

Guam's most popular sport is
American football American football (referred to simply as football in the United States and Canada), also known as gridiron, is a team sport played by two teams of eleven players on a rectangular field with goalposts at each end. The offense, the team with ...
, followed by
basketball Basketball is a team sport in which two teams, most commonly of five players each, opposing one another on a rectangular Basketball court, court, compete with the primary objective of #Shooting, shooting a basketball (ball), basketball (appr ...
and
baseball Baseball is a bat-and-ball sport played between two teams of nine players each, taking turns batting and fielding. The game occurs over the course of several plays, with each play generally beginning when a player on the fielding tea ...
respectively.
Soccer Association football, more commonly known as football or soccer, is a team sport played between two teams of 11 players who primarily use their feet to propel the ball around a rectangular field called a pitch. The objective of the game is ...
and other sports are also somewhat popular. Guam hosted the
Pacific Games The Pacific Games (French: Jeux du Pacifique), is a continental multi-sport event held every four years among athletes from Oceania. The inaugural Games took place in 1963 in Suva, Fiji, and most recently in 2019 in Apia, Samoa. The Games were ...
in
1975 It was also declared the ''International Women's Year'' by the United Nations and the European Architectural Heritage Year by the Council of Europe. Events January * January 1 - Watergate scandal (United States): John N. Mitchell, H. R. ...
and
1999 File:1999 Events Collage.png, From left, clockwise: The funeral procession of King Hussein of Jordan in Amman; the 1999 İzmit earthquake kills over 17,000 people in Turkey; the Columbine High School massacre, one of the first major school shootin ...
. At the 2007 Games, Guam finished 7th of 22 countries in the medal count, and 14th at the 2011 Games.
Guam men's national basketball team The Guam national basketball team represents Guam in international competitions. It is administrated by the Guam Basketball Confederation. Guam is the only nation other than Australia and New Zealand to win a silver medal at the FIBA Oceania Cha ...
and the
women's team A woman is an adult female human. Prior to adulthood, a female human is referred to as a girl (a female child or adolescent). The plural ''women'' is sometimes used in certain phrases such as "women's rights" to denote female humans regardle ...
are traditional powerhouses in the Oceania region, behind the
Australia men's national basketball team The Australian men's national basketball team, known as the Boomers after the slang term for a male kangaroo, represents Australia in international basketball competition. Since the late 1980s, Australia has been placed among the world elite ...
and the
New Zealand national basketball team The New Zealand men's national basketball team is the senior men's national basketball team of New Zealand. The team is nicknamed the Tall Blacks. The ''Tall Blacks'' name is one of many New Zealand national team nicknames related to the All ...
. , the men's team is the reigning champion of the
Pacific Games Basketball Tournament Basketball at the Pacific Games (previously known as the South Pacific Games) has been played since 1963. It has also been contested at the Pacific Mini Games and, from the games at Port Vila in 2017, under the 3x3 format. Pacific Games Men' ...
. Guam is home to various basketball organizations, including the Guam Basketball Association. The
Guam national football team The Guam national football team represents Guam, overseas territory of the United States in international football and is controlled by the Guam Football Association. They are affiliated with the Asian Football Confederation's East Asian Footbal ...
was founded in 1975 and joined
FIFA FIFA (; stands for ''Fédération Internationale de Football Association'' ( French), meaning International Association Football Federation ) is the international governing body of association football, beach football and futsal. It was found ...
in 1996. It was once considered one of FIFA's weakest teams, and experienced their first victory over a FIFA-registered side in 2009. Guam hosted qualifying games on the island for the first time in 2015 and, in 2018, clinched their first FIFA World Cup Qualifying win. The
Guam national rugby union team The Guam national rugby union team represents the United States territory of Guam in international rugby union. They have yet to make their debut at the Rugby World Cup, though they have attempted to qualify for the World Cup. The national side ...
played its first match in 2005 and has never qualified for a
Rugby World Cup The Rugby World Cup is a men's rugby union tournament contested every four years between the top international teams. The tournament is administered by World Rugby, the sport's international governing body. The winners are awarded the Webb E ...
.


Economy

Guam's economy depends primarily on tourism, Department of Defense installations and locally owned businesses. Under the provisions of a special law by
Congress A congress is a formal meeting of the representatives of different countries, constituent states, organizations, trade unions, political parties, or other groups. The term originated in Late Middle English to denote an encounter (meeting of a ...
, it is Guam's treasury rather than the U.S. treasury that receives the federal income taxes paid by local taxpayers (including military and civilian federal employees assigned to Guam).Lin, Tom C.W.
Americans, Almost and Forgotten
, 107 California Law Review (2019)


Tourism

Lying in the western Pacific, Guam is a popular destination for Japanese tourists. Its tourist hub,
Tumon Tumon ( ch, Tomhom) is a district located on Tumon Bay along the northwest coast of the United States unincorporated territory of Guam. Located in the municipality of Tamuning, it is the center of Guam's tourist industry. History Tumon Bay or A ...
, features over 20 large hotels, a Duty Free Shoppers Galleria, Pleasure Island district, indoor aquarium, Sandcastle
Las Vegas Las Vegas (; Spanish for "The Meadows"), often known simply as Vegas, is the 25th-most populous city in the United States, the most populous city in the state of Nevada, and the county seat of Clark County. The city anchors the Las Vegas ...
–styled shows and other shopping and entertainment venues. It is a relatively short flight from Asia or Australia compared to Hawaii, with hotels and seven public golf courses accommodating over a million tourists per year. Although 75% of the tourists are Japanese, Guam also receives a sizable number of tourists from South Korea, the U.S., the Philippines, and Taiwan. Significant sources of revenue include
duty-free A duty-free shop (or store) is a retail outlet whose goods are exempt from the payment of certain local or national taxes and duties, on the requirement that the goods sold will be sold to travelers who will take them out of the country, w ...
designer shopping outlets, and the American-style malls:
Micronesia Mall Micronesia Mall (Japanese: ミクロネシアモール) (Korean: 미크로네시아 몰) (Spanish: ) (Russian: Микронезия Молл), in Dededo at the intersection of Guam highways 1 and 16, is the largest shopping center in the Uni ...
,
Guam Premier Outlets Guam Premier Outlets or GPO (formerly known as Guam Shopping Center and Guam Premium Outlets) (Japanese:グアムプレミアアウトレット) (Korean: 괌 프리미어 아울렛) (Russian: Премьер-министр Гуама), located al ...
, the
Agana Shopping Center Agana Shopping Center is a shopping center located in downtown Hagåtña, in the United States territory of Guam. Opening in 1978, the mall is one of numerous malls on Guam. Main competitors include Micronesia Mall, Guam's largest shopping mall an ...
, and the world's largest
Kmart Kmart Corporation ( , doing business as Kmart and stylized as kmart) is an American retail company that owns a chain of big box department stores. The company is headquartered in Hoffman Estates, Illinois, United States. The company was inc ...
. The economy had been stable since 2000 due to increased tourism. It was expected to stabilize with the transfer of U.S. Marine Corps'
3rd Marine Expeditionary Force III Marine Expeditionary Force (III MEF) is a formation of the Marine Air-Ground Task Force of the United States Marine Corps. It is forward-deployed and able to rapidly conduct operations across the spectrum from humanitarian assistance and d ...
, currently in
Okinawa is a prefecture of Japan. Okinawa Prefecture is the southernmost and westernmost prefecture of Japan, has a population of 1,457,162 (as of 2 February 2020) and a geographic area of 2,281 km2 (880 sq mi). Naha is the capital and largest city ...
, Japan (approximately 8,000 Marines, along with their 10,000 dependents), to Guam between 2010 and 2015. However, the move was delayed until late 2020, the number of marines decreased to 5,000, and expected to be complete in 2025. In 2003, Guam had a 14% unemployment rate, and the government suffered a $314 million shortfall. As of 2019 the unemployment rate had dropped to 6.1%. By September 2020, however, the unemployment rate had risen again to 17.9%. The Compacts of Free Association between the United States, the
Federated States of Micronesia The Federated States of Micronesia (; abbreviated FSM) is an island country in Oceania. It consists of four states from west to east, Yap, Chuuk, Pohnpei and Kosraethat are spread across the western Pacific. Together, the states comprise a ...
, the Republic of the
Marshall Islands The Marshall Islands ( mh, Ṃajeḷ), officially the Republic of the Marshall Islands ( mh, Aolepān Aorōkin Ṃajeḷ),'' () is an independent island country and microstate near the Equator in the Pacific Ocean, slightly west of the Internati ...
, and the Republic of
Palau Palau,, officially the Republic of Palau and historically ''Belau'', ''Palaos'' or ''Pelew'', is an island country and microstate in the western Pacific. The nation has approximately 340 islands and connects the western chain of the Caro ...
accorded the former entities of the
Trust Territory of the Pacific Islands The Trust Territory of the Pacific Islands (TTPI) was a United Nations trust territory in Micronesia administered by the United States from 1947 to 1994. History Spain initially claimed the islands that later composed the territory of the Trus ...
a political status of "free association" with the United States. The Compacts give citizens of these island nations generally no restrictions to reside in the United States (also its territories), and many were attracted to Guam due to its proximity, environmental, and cultural familiarity. Over the years, it was claimed by some in Guam that the territory has had to bear the brunt of this agreement in the form of public assistance programs and public education for those from the regions involved, and the federal government should compensate the states and territories affected by this type of migration. Over the years, Congress had appropriated "Compact Impact" aids to Guam, the
Northern Mariana Islands The Northern Mariana Islands, officially the Commonwealth of the Northern Mariana Islands (CNMI; ch, Sankattan Siha Na Islas Mariånas; cal, Commonwealth Téél Falúw kka Efáng llól Marianas), is an unincorporated territory and commonw ...
, and Hawaii, and eventually this appropriation was written into each renewed Compact. Some, however, continue to claim the compensation is not enough or that the distribution of actual compensation received is significantly disproportionate. Guam's largest single private sector employer, with about 1,400 jobs, was
Continental Micronesia Continental Micronesia, Inc. (CMI) was a company which was a wholly owned subsidiary of Continental Airlines. It operated daily flights to Honolulu, Hawaii, as well as international services to Asia, Micronesia and Australia from its base of ...
, a subsidiary of
Continental Airlines Continental Airlines, simply known as Continental, was a major United States airline founded in 1934 and eventually headquartered in Houston, Texas. It had ownership interests and brand partnerships with several carriers. Continental started o ...
; it is now a part of
United Airlines United Airlines, Inc. (commonly referred to as United), is a major American airline headquartered at the Willis Tower in Chicago, Illinois.
, a subsidiary of Chicago-based United Airlines Holdings, Inc. the Continental Micronesia annual payroll in Guam was $90 million.


Military bases

Currently,
Joint Region Marianas Joint Region Marianas' mission is to provide installation management support to all Department of Defense components and tenants through assigned regional installations on Guam and the Northern Mariana Islands in support of training in the Mariana ...
maintains jurisdiction over installations which cover approximately , or 29% of the island's total land area. These include: * U.S.
Naval Base Guam Naval Base Guam is a strategic United States Navy#United States territories, U.S. naval base located on Apra Harbor and occupying the Orote Peninsula. In 2009, it was combined with Andersen Air Force Base to form Joint Region Marianas, which is a ...
,
U.S. Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage of ...
(Santa Rita), comprising the
Orote Peninsula The Orote Peninsula is a four kilometer-long peninsula jutting from the west coast of the United States territory of Guam. A major geologic feature of the island, it forms the southern coast of Apra Harbor and the northern coast of Agat Bay. Its t ...
, additional lands, and with jurisdiction of the majority of
Apra Harbor Apra Harbor, also called Port Apra, is a deep-water port on the western side of the United States territory of Guam. It is considered one of the best natural ports in the Pacific Ocean. The harbor is bounded by Cabras Island and the Glass Breakwa ...
*
Andersen Air Force Base Andersen Air Force Base (Andersen AFB, AAFB) is a United States Air Force base located primarily within the village of Yigo in the United States territory of Guam. The host unit at Andersen AFB is the 36th Wing (36 WG), assigned to the Pacific ...
,
U.S. Air Force The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part of the United States Army Signal ...
(Yigo), including
Northwest Field Northwest Field (historically Northwest Guam Air Force Base) is a military airfield in Guam. Built in 1945 during World War II, the airfield was used as a bomber base during and after the war until it was closed in 1949. Units deployed to the ...
*
Marine Corps Base Camp Blaz Marine Corps Base (MCB) Camp Blaz is a U.S. Marine Corps facility located in the village of Dededo in northwest Guam. MCB Camp Blaz was activated on October 1, 2020, becoming the first new Marine Corps facility since the predecessor of Marine C ...
,
U.S. Marine Corps The United States Marine Corps (USMC), also referred to as the United States Marines, is the maritime land force service branch of the United States Armed Forces responsible for conducting expeditionary and amphibious operations through comb ...
(Dededo) *
Ordnance Annex Ordnance Annex is a US naval base in the United States territory of Guam. It used to be known as Naval Magazine, Guam. The base is on the south-central section of the island. It occupies an area of . The entirety of the man-made Fena Lake, whi ...
, U.S. Navy – South Central Highlands (formerly known as Naval Magazine) *
Naval Computer and Telecommunications Station Guam Naval Computer and Telecommunications Station Guam (NCTS Guam) is a United States Navy communications facility on the U.S. territory of Guam. It is located on the Naval Base Guam North Finegayan Telecommunications Site along Guam Highway 3 in Ded ...
, U.S. Navy (Dededo), sometimes referred to "NCTS Finegayan" *
Naval Radio Station Barrigada Radio Barrigada, formally Communications Site Barrigada and previously Communications Annex Barrigada, refers to two adjacent U.S. military transmitter facilities located in the villages of Barrigada and Mangilao on the western Pacific territory o ...
(Barrigada), often referred to as "Radio Barrigada" *
Joint Region Marianas Joint Region Marianas' mission is to provide installation management support to all Department of Defense components and tenants through assigned regional installations on Guam and the Northern Mariana Islands in support of training in the Mariana ...
Headquarters (Asan), at
Nimitz Hill Annex Nimitz Hill Annex is a community and census-designated place (CDP) in Asan-Maina, Guam. It contains the geographic feature of Nimitz Hill, and is located immediately northeast of the Nimitz Hill CDP in Piti. In normal conversation, the Nimitz Hil ...
*
Naval Hospital Guam United States Naval Hospital Guam is a U.S. Navy medical facility on the U.S. territory of Guam. It provides a broad range of medical services to active-duty U.S. military personnel under Joint Region Marianas. Besides the main hospital, the hospi ...
(Agana Heights) * South Finegayan (Dededo), a military housing complex * Andersen South (Yigo), formerly Marine Barracks Guam until its closure in 1992 *
Fort Juan Muña A fortification is a military construction or building designed for the defense of territories in warfare, and is also used to establish rule in a region during peacetime. The term is derived from Latin ''fortis'' ("strong") and ''facere'' ...
,
Guam National Guard The Guam National Guard is the National Guard in the United States territory of Guam, made up of the Guam Army National Guard and the Guam Air National Guard. History The National Guard of the Island of Guam can be traced back to the first m ...
(Tamuning) The U.S. military proposed building a new aircraft carrier berth on Guam and moving 8,600 Marines, and 9,000 of their dependents, to Guam from
Okinawa is a prefecture of Japan. Okinawa Prefecture is the southernmost and westernmost prefecture of Japan, has a population of 1,457,162 (as of 2 February 2020) and a geographic area of 2,281 km2 (880 sq mi). Naha is the capital and largest city ...
, Japan. Including the required construction workers, this buildup would increase Guam's population by a total of 79,000, a 49% increase over its 2010 population of 160,000. In a February 2010 letter, the
United States Environmental Protection Agency The Environmental Protection Agency (EPA) is an independent executive agency of the United States federal government tasked with environmental protection matters. President Richard Nixon proposed the establishment of EPA on July 9, 1970; it be ...
sharply criticized these plans because of a water shortfall, sewage problems and the impact on coral reefs. As of 2022, the Marine Corps has decided to place 5,000 Marines on the island within the first half of the 2020s, with 1300 already stationed on the base.


Government and politics

Guam is governed by a popularly elected
governor A governor is an administrative leader and head of a polity or political region, ranking under the head of state and in some cases, such as governors-general, as the head of state's official representative. Depending on the type of political ...
and a
unicameral Unicameralism (from ''uni''- "one" + Latin ''camera'' "chamber") is a type of legislature, which consists of one house or assembly, that legislates and votes as one. Unicameral legislatures exist when there is no widely perceived need for multic ...
15-member
legislature A legislature is an assembly with the authority to make law Law is a set of rules that are created and are enforceable by social or governmental institutions to regulate behavior,Robertson, ''Crimes against humanity'', 90. with its p ...
, whose members are known as senators. Its judiciary is overseen by the
Supreme Court of Guam The Supreme Court of Guam is the highest judicial body of the United States territory of Guam. The Court hears all appeals from the Superior Court of Guam and exercises original jurisdiction only in cases where a certified question is submitted t ...
. The
District Court of Guam The District Court of Guam (in case citations, D. Guam) is a United States territorial court with jurisdiction over the United States territory of Guam. It sits in the capital, Hagåtña. Appeals of the court's decisions are taken to the United S ...
is the court of United States federal jurisdiction in the territory. Guam elects one delegate to the United States House of Representatives, currently Democrat
Michael San Nicolas Michael Franklin Quitugua San Nicolas (born January 30, 1981) is a Guamanian Democratic Party politician, who served as the delegate to the U.S. House of Representatives for from 2019 to 2023. San Nicolas was elected by his colleagues in the 11 ...
. The delegate does not have a vote on the final passage of legislation, but is accorded a vote in committee, and the privilege to speak to the House. U.S. citizens in Guam vote in a presidential straw poll for their choice in the U.S. presidential general election, but since Guam has no votes in the Electoral College, the poll has no real effect. However, in sending delegates to the Republican and Democratic national conventions, Guam does have influence in the national presidential race. These delegates are elected by local party
conventions Convention may refer to: * Convention (norm), a custom or tradition, a standard of presentation or conduct ** Treaty, an agreement in international law * Convention (meeting), meeting of a (usually large) group of individuals and/or companies in a ...
.


Political status

In the 1980s and early 1990s, there was a significant movement in favor of this U.S. territory becoming a
commonwealth A commonwealth is a traditional English term for a political community founded for the common good. Historically, it has been synonymous with "republic". The noun "commonwealth", meaning "public welfare, general good or advantage", dates from the ...
, which would give it a level of self-government similar to
Puerto Rico Puerto Rico (; abbreviated PR; tnq, Boriken, ''Borinquen''), officially the Commonwealth of Puerto Rico ( es, link=yes, Estado Libre Asociado de Puerto Rico, lit=Free Associated State of Puerto Rico), is a Caribbean island and Unincorporated ...
and the
Northern Mariana Islands The Northern Mariana Islands, officially the Commonwealth of the Northern Mariana Islands (CNMI; ch, Sankattan Siha Na Islas Mariånas; cal, Commonwealth Téél Falúw kka Efáng llól Marianas), is an unincorporated territory and commonw ...
. In a 1982 plebiscite, voters indicated interest in seeking commonwealth status. However, the federal government rejected the version of a commonwealth that the government of Guam proposed, because its clauses were incompatible with the
Territorial Clause Article Four of the United States Constitution outlines the relationship between the various states, as well as the relationship between each state and the United States federal government. It also empowers Congress to admit new states and admin ...
(Art. IV, Sec. 3, cl. 2) of the
U.S. Constitution The Constitution of the United States is the supreme law of the United States of America. It superseded the Articles of Confederation, the nation's first constitution, in 1789. Originally comprising seven articles, it delineates the natio ...
. Other movements advocate U.S. statehood for Guam, union with the state of Hawaii, or union with the Northern Mariana Islands as a single territory, or independence. A Commission on Decolonization was established in 1997 to educate the people of Guam about the various political status options in its relationship with the U.S.: statehood, free association, and independence. The island has been considering another non-binding plebiscite on decolonization since 1998; however, the group was dormant for some years. In 2013, the commission began seeking funding to start a public education campaign. There were few subsequent developments until late 2016. In early December 2016, the Commission scheduled a series of education sessions in various villages about the current status of Guam's relationship with the U.S. and the self-determination options that might be considered. The commission's current executive director is Edward Alvarez and there are ten members. The group is also expected to release position papers on independence and statehood but the contents have not yet been completed. The
United Nations The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and international security, security, develop friendly relations among nations, achieve international cooperation, and be ...
is in favor of greater self-determination for Guam and other such territories. The UN's
Special Committee on Decolonization The United Nations Special Committee on the Situation with Regard to the Implementation of the Declaration on the Granting of Independence to Colonial Countries and Peoples, or the Special Committee on Decolonization (C-24), is a committee of ...
has agreed to endorse the Governor's education plan. The commission's May 2016 report states: "With academics from the University of Guam,
he Commission He or HE may refer to: Language * He (pronoun), an English pronoun * He (kana), the romanization of the Japanese kana へ * He (letter), the fifth letter of many Semitic alphabets * He (Cyrillic), a letter of the Cyrillic script called ''He'' i ...
was working to create and approve educational materials. The Office of the Governor was collaborating closely with the Commission" in developing educational materials for the public. The United States
Department of the Interior The United States Department of the Interior (DOI) is one of the executive departments of the U.S. federal government headquartered at the Main Interior Building, located at 1849 C Street NW in Washington, D.C. It is responsible for the mana ...
had approved a $300,000 grant for decolonization education, Edward Alvarez told the United Nations Pacific Regional Seminar in May 2016. "We are hopeful that this might indicate a shift in
nited States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
policy to its Non-Self-Governing Territories such as Guam, where they will be more willing to engage in discussions about our future and offer true support to help push us towards true self-governances and self-determination." On July 31, 2020, the
Government of Guam The Government of Guam (GovGuam) is a presidential representative democratic system, whereby the President is the head of state and the Governor is head of government, and of a multi-party system. Guam is an organized, unincorporated territory ...
joined the
Unrepresented Nations and Peoples Organization The Unrepresented Nations and Peoples Organization, or simply UNPO is an international organization established to facilitate the voices of unrepresented and marginalised nations and peoples worldwide. It was formed on 11 February 1991 in The Ha ...
(UNPO).


Villages

Guam is divided into 19 municipal villages: *
Agana Heights Agana Heights ( ch, Tutuhan) is one of the nineteen villages in the United States territory of Guam. It is located in the hills south of Hagåtña (formerly Agana), in the central part of the island. United States Naval Hospital Guam is located ...
* Asan‑Maina *
Barrigada Barrigada ( ch, Barigåda) is a village in the United States territory of Guam. A largely residential municipality, its main village is located south of the Antonio B. Won Pat International Airport near the intersections of Routes 8, 10, and 16 ...
* Chalan Pago‑Ordot *
Dededo Dededo ( ch, Dedidu; formerly in Spanish: , in Japanese: , ''Dededo'') is the most populated village in the United States territory of Guam. According to the U.S. Census Bureau, Dededo's population was just under 45,000 in 2020. The village is loca ...
* Hågat * Hagåtña * Humåtak * Inalåhan * Malesso *
Mangilao Mangilao is a Villages of Guam, village on the eastern shore of the United States territory of Guam. The village's population has decreased slightly since the island's 2010 census. Cliffs lie along much of the village's shoreline provide dramatic ...
* Mongmong‑Toto‑Maite *
Piti Piti may refer to: * Pīti, a mental factor in Buddhism * PITI, the principal, interest, taxes, and insurance sum of a mortgage payment * Piti (food), a soup dish of Central Asia * Piti (footballer) (born 1981), Spanish footballer * Piti, Guam * P ...
* Sånta Rita-Sumai *
Sinajana Sinajana ( ch, Sinahånña) is the smallest of the nineteen villages in the United States territory of Guam by area. It is located in the hills south of Hagåtña (formerly Agana). The village's name may have come from the word "china-jan," co ...
* Talo'fo'fo *
Tamuning Tamuning, also known as Tamuning-Tumon-Harmon ( ch, Tamuneng) is a village located on the western shore of the United States territory of Guam. The village of Tamuning is the economic center of Guam, containing tourist center Tumon, Harmon Indus ...
*
Yigo Yigo, Guam ( ch, Yigu; pronounced ) is the northernmost village of the United States territory of Guam, and is the location of Andersen Air Force Base. The municipality of Yigo is the largest village on the island in terms of area. It contains a nu ...
*
Yona The word Yona in Pali and the Prakrits, and the analogue Yavana in Sanskrit and Yavanar in Tamil, were words used in Ancient India to designate Greek speakers. "Yona" and "Yavana" are transliterations of the Greek word for "Ionians" ( grc, ...


Transportation and communications

Most of the island has state-of-the-art mobile phone services and high-speed internet widely available through either cable or
DSL Digital subscriber line (DSL; originally digital subscriber loop) is a family of technologies that are used to transmit digital data over telephone lines. In telecommunications marketing, the term DSL is widely understood to mean asymmetric di ...
. Guam was added to the
North American Numbering Plan The North American Numbering Plan (NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the international callin ...
(NANP) in 1997 (country code 671 became NANP
area code 671 The area code 671 is the local telephone area code of the United States territory of Guam. It was created with the beginning of permissive dialing on July 1, 1997, replacing Guam's previous International Telecommunication Union country code 671 at ...
), removing the barrier of high-cost international long-distance calls to the
U.S. mainland The contiguous United States (officially the conterminous United States) consists of the 48 adjoining U.S. states and the Federal District of the United States of America. The term excludes the only two non-contiguous states, Alaska and Hawaii ...
. Guam is also a major hub for submarine cables between the Western U.S., Hawaii, Australia and Asia. Guam currently serves twelve submarine cables, with most continuing to China. In 2012 ''
Slate Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. It is the finest grained foliated metamorphic rock. ...
'' stated that the island has "tremendous bandwidth" and internet prices comparable to those of the U.S. Mainland due to being at the junction of undersea cables. In 1899, the local postage stamps were overprinted "Guam" as was done for the other former Spanish colonies, but this was discontinued shortly thereafter and regular U.S. postage stamps have been used ever since. Because Guam is also part of the U.S. Postal System ( postal abbreviation: GU, ZIP code range: 96910–96932), mail to Guam from the U.S. mainland is considered domestic and no additional charges are required. Private shipping companies, such as FedEx, UPS, and DHL, however, have no obligation to do so, and do not regard Guam as domestic. The speed of mail traveling between Guam and the states varies depending on size and time of year. Light, first-class items generally take less than a week to or from the mainland, but larger first-class or Priority items can take a week or two. Fourth-class mail, such as magazines, are transported by sea after reaching Hawaii. Most residents use post office boxes or private mail boxes, although residential delivery is becoming increasingly available. Incoming mail not from the Americas should be addressed to "Guam" instead of "USA" to avoid being routed the long way through the U.S. mainland and possibly charged a higher rate (especially from Asia). The
Port of Guam The Port of Guam (officially, Jose D. Leon Guerrero Commercial Port) handles over ninety percent of total imports to the United States island territory of Guam. Located in the north of Apra Harbor on Cabras Island, it shares harbor waters with ...
is the island's lifeline because most products must be shipped into Guam for consumers. It receives the weekly calls of the Hawaii-based shipping line
Matson, Inc. Matson, Inc. is an American shipping and navigation services company headquartered in Honolulu, Hawaii. Founded in 1882, Matson, Inc.'s subsidiary Matson Navigation Company provides ocean shipping services across the Pacific to Hawaii, Alaska, G ...
whose container ships connect Guam with Honolulu, Hawaii; Los Angeles, California; Oakland, California and Seattle, Washington. The port is also the regional transhipment hub for over 500,000 customers throughout the Micronesian region. The port is the shipping and receiving point for containers designated for the island's U.S. Department of Defense installations, Andersen Air Force Base and Commander, Naval Forces Marianas and eventually the Third Marine Expeditionary Force. Guam is served by the
Antonio B. Won Pat International Airport Antonio B. Won Pat International Airport , also known as Guam International Airport, is an airport located in Tamuning and Barrigada, east of the capital city of Hagåtña (formerly Agana) in the United States territory of Guam. The airport is ...
. The island is outside the United States customs zone, so Guam is responsible for establishing and operating its own customs and quarantine agency and jurisdiction. Therefore, the
U.S. Customs and Border Protection United States Customs and Border Protection (CBP) is the largest federal law enforcement agency of the United States Department of Homeland Security. It is the country's primary border control organization, charged with regulating and facilit ...
only carries out immigration (but not customs) functions. Since Guam is under federal immigration jurisdiction, passengers arriving directly from the United States skip immigration and proceed directly to Guam Customs and Quarantine. However, due to the Guam and CNMI visa waiver program for certain countries, an eligibility pre-clearance check is carried on Guam for flights to the States. For travel from the Northern Mariana Islands to Guam, a pre-flight passport and visa check is performed before boarding the flight to Guam. On flights from Guam to the Northern Mariana Islands, no immigration check is performed. Traveling between Guam and the States through a foreign point, however, does require a passport. Most residents travel within Guam using personally owned vehicles. The
Guam Regional Transit Authority The Guam Region Transit Authority is the only public transportation agency in the United States territory of Guam Guam (; ch, Guåhan ) is an organized, unincorporated territory of the United States in the Micronesia subregion of the wester ...
provides fixed route bus and paratransit services, and some commercial companies operate buses between tourist-frequented locations.


Education

Guam Public Library System Guam Public Library System (Chamoru: Sisteman Laibirihan Pupbleko Guåhan) is the public library system of the United States territory of Guam. The main library is the Nieves M. Flores Memorial Library at 254 Martyr Street in the village of Hag ...
operates the Nieves M. Flores Memorial Library in Hagåtña and five branch libraries. The
Guam Department of Education The Guam Department of Education (GDOE), formerly the Guam Public School System, is a school district that serves the United States territory of Guam. The school district can be thought of as analogous to the school districts of other cities and co ...
serves the entire island of Guam. In 2000, 32,000 students attended Guam's public schools, including 26 elementary schools, eight middle schools, and six high schools and alternative schools. Guam Public Schools have struggled with problems such as high dropout rates and poor test scores. Guam's educational system has always faced unique challenges as a small community located from the U.S. mainland with a very diverse student body including many students who come from backgrounds without traditional American education. An economic downturn in Guam since the mid-1990s has compounded the problems in schools. Before September 1997, the
U.S. Department of Defense The United States Department of Defense (DoD, USDOD or DOD) is an executive branch department of the federal government charged with coordinating and supervising all agencies and functions of the government directly related to national secur ...
partnered with Guam Board of Education. In September 1997, the
Department of Defense Education Activity The Department of Defense Education Activity (DoDEA) is a federal school system headquartered in Alexandria, Virginia, responsible for planning, directing, coordinating, and managing prekindergarten through 12th grade educational programs on behal ...
(DoDEA) opened its own schools for children of military personnel. DoDEA schools, which also serve children of some federal civilian employees, had an attendance of 2,500 in 2000. DoDEA Guam operates three elementary/middle schools and one high school. The
University of Guam University of Guam ( ch, Unibetsedåt Guåhan) (U.O.G.) is a public land-grant university in Mangilao, Guam. It is accredited by the Western Association of Schools and Colleges and offers thirty-four degree programs at the undergraduate level a ...
(UOG) and
Guam Community College Guam Community College (GCC) is a community college in Mangilao, Guam. It was officially created by Public Law 14–77 in 1977. This law created the college by consolidating several pre-existing programs from a variety of institutions, including t ...
, both fully accredited by the
Western Association of Schools and Colleges The Western Association of Schools and Colleges (WASC) was an organization providing School accreditation, accreditation of public and private universities, colleges, secondary school, secondary and elementary schools in California and Hawaii, ...
, offer courses in higher education. UOG is a member of the exclusive group of only 106 land-grant institutions in the entire United States.
Pacific Islands University Pacific Islands University (PIU) is a private Christian university in Mangilao, Guam. Founded in 1976, the university offers Associate in Arts and Bachelor of Arts degrees in Bible and Liberal Arts. Administration The board of directors for Paci ...
is a small Christian liberal arts institution nationally accredited by the
Transnational Association of Christian Colleges and Schools The Transnational Association of Christian Colleges and Schools (TRACS) is a U.S. based institutional accreditation organization that focuses on Christian colleges, universities, and seminaries seeking collegiate accreditation in the United Sta ...
.


Health care

The Government of Guam maintains the island's main health care facility,
Guam Memorial Hospital Guam Memorial Hospital is located in Tamuning, Guam and is the public civilian hospital serving the island of Guam. The hospital has 158 licensed acute care beds, plus 40 beds at its off-site, long-term care Skilled Nursing Facility. The hospital ...
, in
Tamuning Tamuning, also known as Tamuning-Tumon-Harmon ( ch, Tamuneng) is a village located on the western shore of the United States territory of Guam. The village of Tamuning is the economic center of Guam, containing tourist center Tumon, Harmon Indus ...
. U.S. board certified doctors and dentists practice in all specialties. In addition, the U.S. Naval Hospital in
Agana Heights Agana Heights ( ch, Tutuhan) is one of the nineteen villages in the United States territory of Guam. It is located in the hills south of Hagåtña (formerly Agana), in the central part of the island. United States Naval Hospital Guam is located ...
serves active-duty members and dependents of the military community. There is one subscriber-based
air ambulance Air medical services is a comprehensive term covering the use of air transportation, aeroplane or helicopter, to move patients to and from healthcare facilities and accident scenes. Personnel provide comprehensive prehospital and emergency and cri ...
located on the island, CareJet, which provides emergency patient transportation across Guam and surrounding islands. A private hospital, the
Guam Regional Medical City The Guam Regional Medical City (GRMC) is a 136-bed privately run acute care hospital in Dededo, Guam. It is managed under the Philippines-based hospital network, The Medical City. It serves the US territory of Guam as well as neighboring Micronesi ...
, opened its doors in early 2016. Medicaid is accepted in Guam.


See also

*
51st state 51st state in American political discourse refers to areas considered candidates for U.S. statehood, joining the 50 states that have constituted the United States since 1959. The phrase has been applied to external territories as well as parts o ...
*
Index of Guam-related articles The following is an alphabetical list of articles related to the United States Territory of Guam. 0–9 *.gu – Internet country code top-level domain for Guam A * Airports in Guam *Area code 671 * Atlas of Guam B *Birds of Guam *Buildin ...
* Lists of hospitals in the United States#Insular areas *
List of people from Guam Numerous notable people have lived in or come from Guam. Entertainment * Sabrina Iren Krasniqi * Jason Barnes * Nathaniel Berg *Q. Allan Brocka *Ann Curry * Dan Ho *Pia Mia *Donovan Patton *DPR Live Games and athletics *Morgan Hikaru Aiken *Fran ...
*
Outline of Guam 250px, The location of Guam Guam The following outline is provided as an overview of and topical guide to Guam: Guam – organized, unincorporated territory of the United States of America that comprises the island of Guam in the western ...
*
Voting in Guam Voting rights of citizens in Guam differ from those of United States citizens in each of the fifty states. In the U.S. House of Representatives, Guam is entitled to a delegate, who is not allowed to vote on the floor of the House, but can vote on ...


Notes


References


Further reading

* Maga, Timothy P. ''Defending Paradise: The United States and Guam, 1898–1950'' (Garland, 1988). * Rogers, Robert F. ''Destiny's Landfall: A History of Guam'' (U of Hawaii Press, 1995). * Spear, Jane E. "Guamanian Americans." ''Gale Encyclopedia of Multicultural America,'' edited by Thomas Riggs, (3rd ed., vol. 2, Gale, 2014), pp. 263–273
online


External links

*
Guampedia, Guam's Online Encyclopedia

"Guam Society of America"
fosters the CHamoru language, culture, and traditions
''The Insular Empire: America in the Mariana Islands''
PBS documentary film website.
Guam
''
The World Factbook ''The World Factbook'', also known as the ''CIA World Factbook'', is a reference resource produced by the Central Intelligence Agency (CIA) with almanac-style information about the countries of the world. The official print version is available ...
''.
Central Intelligence Agency The Central Intelligence Agency (CIA ), known informally as the Agency and historically as the Company, is a civilian foreign intelligence service of the federal government of the United States, officially tasked with gathering, processing, ...
.
U.S. Census Bureau: Island Areas Census 2000


*

from the U.S.
Library of Congress The Library of Congress (LOC) is the research library that officially serves the United States Congress and is the ''de facto'' national library of the United States. It is the oldest federal cultural institution in the country. The library is ...
. * *
Guam Census
{{Authority control 1898 establishments in Oceania English-speaking countries and territories Former Spanish colonies Geography of Micronesia Insular areas of the United States Island countries Islands of Oceania Members of the Unrepresented Nations and Peoples Organization Pacific islands of the United States Small Island Developing States States and territories established in 1898 World War II sites