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There is a lack of consensus on how to define a mass shooting. Most terms define a minimum of three or four victims of
gun violence Gun-related violence is violence committed with the use of a firearm. Gun-related violence may or may not be considered criminal. Criminal violence includes homicide (except when and where ruled justifiable), assault with a deadly weapon, a ...
(not including the shooter or in an inner city) in a short period of time, although an Australian study from 2006 required a minimum of five; and added a requirement that the victims actually died as opposed to being shot and injured but not necessarily killed. In the United States, the ''Investigative Assistance for Violent Crimes Act of 2012'' defines mass killings as three or more killings in a single incident, however the Act does not define mass shootings. Media outlets such as CNN and some crime violence research groups such as the
Gun Violence Archive Gun Violence Archive (GVA) is an American nonprofit group with an accompanying website and social media delivery platforms which catalogs every incident of gun violence in the United States. It was founded by Michael Klein and Mark Bryant. Klein i ...
define mass shootings as involving "two or more shot (injured or killed) in a single incident, at the same general time and location, not including the shooter".
Mother Jones Mary G. Harris Jones (1837 (baptized) – November 30, 1930), known as Mother Jones from 1897 onwards, was an Irish-born American schoolteacher and dressmaker who became a prominent union organizer, community organizer, and activist. She h ...
defines mass shootings as indiscriminate rampages killing three or more people, excluding the perpetrator; this definition doesn't include gang violence or armed robbery. Sometimes shootings involving three or more victims occur in non-public situations such as when one member of a family shoots all the other members in the family home. These killings are known as
familicide A familicide is a type of murder or murder-suicide in which one kills multiple close family members in quick succession, most often children, spouses, siblings, or parents. In half the cases, the killer lastly kills themselves in a murder-sui ...
s and are not included in mass shooting statistics. The motive for mass shootings (that occur in public locations) is usually that they are committed by deeply disgruntled individuals who are seeking revenge for failures in school, career, romance, or life in general or who are seeking fame or attention with at least 16 mass shooters since Columbine citing fame or notoriety as a motive. Fame seekers average more than double the body counts, and many articulated a desire to surpass "past records". If multiple people are shot in a robbery or killed in a group's terrorist attack, that type of violence is usually not included under the definition of mass shootings. "There is no broadly agreed-to, specific conceptualization of this issue, so this report uses its own definition for public mass shootings."


Definitions

There are a variety of definitions of mass shooting: * A crowdsourced data site cited by CNN,
MSNBC MSNBC (originally the Microsoft National Broadcasting Company) is an American news-based pay television cable channel. It is owned by NBCUniversala subsidiary of Comcast. Headquartered in New York City, it provides news coverage and political ...
, ''
The New York Times ''The New York Times'' (''the Times'', ''NYT'', or the Gray Lady) is a daily newspaper based in New York City with a worldwide readership reported in 2020 to comprise a declining 840,000 paid print subscribers, and a growing 6 million paid ...
'', ''
The Washington Post ''The Washington Post'' (also known as the ''Post'' and, informally, ''WaPo'') is an American daily newspaper published in Washington, D.C. It is the most widely circulated newspaper within the Washington metropolitan area and has a large nati ...
'', ''
The Economist ''The Economist'' is a British weekly newspaper printed in demitab format and published digitally. It focuses on current affairs, international business, politics, technology, and culture. Based in London, the newspaper is owned by The Econo ...
'', the
BBC #REDIRECT BBC #REDIRECT BBC Here i going to introduce about the best teacher of my life b BALAJI sir. He is the precious gift that I got befor 2yrs . How has helped and thought all the concept and made my success in the 10th board exam. ...
...
, etc., Mass Shooting Tracker, defines a mass shooting as any incident in which four or more people are shot, whether injured or killed. Cites Mass Shooting Tracker * CBS defines that a mass shooting is an event involving the shooting (not necessarily resulting in death) of five or more people (sometimes four) with no cooling-off period. *
Mother Jones Mary G. Harris Jones (1837 (baptized) – November 30, 1930), known as Mother Jones from 1897 onwards, was an Irish-born American schoolteacher and dressmaker who became a prominent union organizer, community organizer, and activist. She h ...
defines a mass shooting as an indiscriminate rampage in a public place, resulting in three or more victims killed by the attacker, excluding gang violence, armed robbery, and attacks by unidentified perpetrators. * Crime violence research group
Gun Violence Archive Gun Violence Archive (GVA) is an American nonprofit group with an accompanying website and social media delivery platforms which catalogs every incident of gun violence in the United States. It was founded by Michael Klein and Mark Bryant. Klein i ...
, whose research is used by major American media outlets, defines mass shooting as having a "minimum of four victims shot, either injured or killed, not including any shooter who may also have been killed or injured in the incident," differentiating between mass shooting and mass murder and not counting shooters as victims. *Though there are several different definitions of a mass shooting, there are also certain inclusions and exclusions. University of Pennsylvania says no matter how many people are killed, if a shooting occurs by a foreign terrorist that is not included. Another exclusion is if 10 people are shot but only 2 die. Also if 5 people are run over by a car that does not count because no firearm was used. Some inclusions are multiple deaths caused by an armed robbery. Deaths as a result of gang wars are also sometimes included. There are also differing definitions of the term mass killing: * Under U.S. federal law, the
Attorney General In most common law jurisdictions, the attorney general or attorney-general (sometimes abbreviated AG or Atty.-Gen) is the main legal advisor to the government. The plural is attorneys general. In some jurisdictions, attorneys general also have exec ...
– on a request from a state – may assist in investigating "mass killings", rather than mass shootings. The term is defined as the murder of four or more people with no cooling-off period but redefined by Congress in 2013 as being murder of three or more people. * In "Behind the Bloodshed", a report by ''
USA Today ''USA Today'' (stylized in all uppercase) is an American daily middle-market newspaper and news broadcasting company. Founded by Al Neuharth on September 15, 1982, the newspaper operates from Gannett's corporate headquarters in Tysons, Virgini ...
'', a mass killing is defined as: any incident in which four or more were killed, including familial killings. This definition is also used by the Washington Post. * According to the Investigative Assistance for Violent Crimes Act of 2012, signed into law in January 2013, a mass killing is defined as a killing with at least three deaths, excluding the perpetrator. The lack of a single definition can lead to
alarmism Alarmism is excessive or exaggerated alarm of a real or imagined threat. Alarmism connotes attempts to excite fears or giving warnings of great danger in a manner that is amplified, overemphasized or unwarranted. In the news media, alarmism can o ...
in the news media, with some reports conflating categories of different crimes. An act of mass shooting is typically defined as terrorist when it "appears to have been intended" to intimidate or to coerce people; although a mass shooting is not, in itself, an act of terrorism.


By continent and region


Africa

Mass shootings have occurred on the African continent, including the 1927 shooting in
South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...
perpetrated by Stephanus Swart, the 2016 Grand Bassam attack in Côte d'Ivoire/Ivory Coast, and the 1994
Kampala wedding massacre The Kampala wedding massacre was a mass murder that occurred at a wedding party in the Naguru neighbourhood of Kampala, Uganda on 26 June 1994. The perpetrator, Richard Komakech, shot and killed 26 people at the party before he was apprehende ...
in
Kampala, Uganda Kampala (, ) is the capital and largest city of Uganda. The city proper has a population of 1,680,000 and is divided into the five political divisions of Kampala Central Division, Kawempe Division, Makindye Division, Nakawa Division, and Ruba ...
. Whilst incidents of mass violence resulting from terrorism and ethnic conflict have occurred on the continent, "mass shootings" as generally understood are rare in Africa.


Egypt

Various shootings include both the 1997
Luxor massacre The Luxor massacre was the killing of 62 people, mostly tourists, on 17 November 1997, at Deir el-Bahari, an archaeological site and major tourist attraction across the Nile from Luxor, Egypt. Attack Deir el-Bahari is one of Egypt's top touri ...
and the 2013
Meet al-Attar shooting The Meet al-Attar shooting was a mass shooting that occurred in Meet al-Attar ( ar, ميت العطار) a village near Banha, Egypt on 21 August 2013, when Omar Abdul Razeq Abdullah Rifai ( ar, عمر عبد الرازق عبد الله الرف ...
in
Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Mediter ...
.


Kenya

On 2 April 2015, armed
terrorists Terrorism, in its broadest sense, is the use of criminal violence to provoke a state of terror or fear, mostly with the intention to achieve political or religious aims. The term is used in this regard primarily to refer to intentional violen ...
stormed a public university in the North Eastern part of the country and killed 148 people.


Asia

Several mass shootings have occurred in
Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an area ...
, including the 1878
Hyderabad shooting On 24 June 1878, a Baloch sepoy in the British Indian Army killed 6 people and injured 4 in Sindh, British Raj. The unnamed Sepoy man killed his mistress whom he had suspected of infidelity. Armed with a Martini-Henry and 100 rounds of ammuni ...
and 1983
Pashupatinath Temple shooting The Pashupatinath Temple shooting was a mass murder that occurred at the Pashupatinath Temple and its surrounding area in Mandsaur, India on 23 July 1983. Ramesh Sharma, a 28-year-old police constable killed 14 people and wounded nine others, ...
in
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
, the 1938
Tsuyama massacre The was a revenge spree killing that occurred on 21 May 1938 in the rural village of Kamo close to Tsuyama in Okayama, Empire of Japan. , a 21-year-old man, killed 30 people, including his grandmother, with a Browning shotgun, katana, and ...
in
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
, the 1948 Babrra massacre in
Pakistan Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's List of countries and dependencies by population, fifth-most populous country, with a population of almost 24 ...
, the 2014 Peshawar school massacre killing 149 people, the 1993 Chongqing shooting and the 1994
Tian Mingjian incident The Tian Mingjian incident (also known in Chinese as the Jian'guo Gate mass shooting) was an act of mass murder that occurred in Beijing, China on 20 September 1994, when People's Liberation Army officer First Lieutenant Tian Mingjian (Chinese: ...
in
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
, as well as the 2001
Nepalese royal massacre The Nepalese royal massacre occurred on 1 June 2001 at the Narayanhiti Palace, the then-residence of the Nepalese monarchy. Nine members of the royal family, including King Birendra and Queen Aishwarya, were killed in a mass shooting during a ga ...
.


India

The
Jallianwala Bagh massacre The Jallianwala Bagh massacre, also known as the Amritsar massacre, took place on 13 April 1919. A large peaceful crowd had gathered at the Jallianwala Bagh in Amritsar, Punjab, to protest against the Rowlatt Act and arrest of pro-independence ...
took place on 13 April 1919, when an estimated 379-1500 Indian protesters were killed by the British Army, and an additional 1,200 were injured


South Korea

Mass shootings are extremely rare in
South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed ...
. The deadliest mass shooting was committed by
Woo Bum-kon Woo Bum-kon (or Wou Bom-kon, February 24, 1955 – April 27, 1982) was a South Korean policeman and spree killer who murdered between 56 and 62 people and wounded 33 others in several villages in Uiryeong County, South Gyeongsang Province, ...
in 1982, leaving 56 dead. For many years, it was the deadliest mass shooting in modern history, until the
2011 Norway attacks The 2011 Norway attacks, referred to in Norway as 22 July ( no, 22. juli) or as 22/7, were two domestic terrorist attacks by neo-Nazi Anders Behring Breivik against the government, the civilian population, and a Workers' Youth League (AUF) ...
surpassed it.


Japan

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
has as few as 2 gun-related homicides per year. These numbers include all homicides in the country, not just mass shootings. Japan has had several mass shootings, including the
Tsuyama massacre The was a revenge spree killing that occurred on 21 May 1938 in the rural village of Kamo close to Tsuyama in Okayama, Empire of Japan. , a 21-year-old man, killed 30 people, including his grandmother, with a Browning shotgun, katana, and ...
, 2007 Sasebo shooting, and the
2010 Habikino shooting The 2010 Habikino shooting was a deadly Spree killer, spree shooting which occurred at a drinking establishment located just south of Eganoshō Station in Habikino, Osaka, Habikino, Osaka Prefecture, Japan on 12 January 2010. The attack was carr ...
.


Israel

Notable
mass shootings There is a lack of consensus on how to define a mass shooting. Most terms define a minimum of three or four victims of gun violence (not including the shooter or in an inner city) in a short period of time, although an Australian study from 200 ...
in
Israel Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...
, include the 1972
Lod Airport Massacre The Lod Airport massacre"They were responsible for the Lod Airport massacre in Israel in 1972, which was committed on behalf of the PFLP." Jeffrey D. Simon, ''The Terrorist Trap: America's Experience with Terrorism'', Indiana University Press, ...
, which killed 26 and injured 80, the 2002 Bat Mitzvah massacre in
Hadera Hadera ( he, חֲדֵרָה ) is a city located in the Haifa District of Israel, in the northern Sharon region, approximately 45 kilometers (28 miles) from the major cities of Tel Aviv and Haifa. The city is located along 7 km (5&nbs ...
,
Mercaz HaRav Massacre The 2008 Jerusalem yeshiva attack was a mass shooting attack that occurred on 6 March 2008, in which a lone Palestinian gunman shot multiple students at the Mercaz HaRav yeshiva, a religious school in Jerusalem, after which the gunman himself w ...
in 2008, the 2014 Jerusalem synagogue attack in
Jerusalem Jerusalem (; he, יְרוּשָׁלַיִם ; ar, القُدس ) (combining the Biblical and common usage Arabic names); grc, Ἱερουσαλήμ/Ἰεροσόλυμα, Hierousalḗm/Hierosóluma; hy, Երուսաղեմ, Erusałēm. i ...
and the June 2016 Tel Aviv shooting at the popular Sarona centre complex in Tel Aviv. There have been two mass shootings by Jews in Israel. Ami Popper was convicted of murdering seven Palestinian men in a mass shooting carried out in 1990. In 1994, terrorist
Baruch Goldstein Baruch Kopel Goldstein ( he, ברוך קופל גולדשטיין; born Benjamin Carl Goldstein; December 9, 1956 – February 25, 1994) was an Israeli-American mass murderer, religious extremist, and physician who perpetrated the 1994 terrorist ...
murdered 29 Muslims and injured a further 125 in Hebron during the
Cave of the Patriarchs massacre The Cave of the Patriarchs massacre, also known as the Ibrahimi Mosque massacre or the Hebron massacre, was a shooting massacre carried out by Baruch Goldstein, an American-Israeli extremist and member of the far-right Kach movement. On 25 F ...
.


Thailand

A mass shooting occurred near and in Nakhon Ratchasima, Thailand, colloquially known as Korat, between 8 and 9 February 2020. A soldier of the Royal Thai Police killed 30 people and wounded 58 others before he was eventually shot and killed. On October 6, 2022, 38 people, 24 of which were children, were killed in a shooting and stabbing spree by former police officer Panya Kamrab. The main target was a Child Care Centre in Nong Bua Lambhu Province. The perpetrator then killed both his wife and son at his own home.


Europe

There have been many mass shootings in
Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...
. Recent examples include the 1987
Hungerford massacre The Hungerford massacre was a spree shooting in Hungerford, England, United Kingdom, on 19 August 1987, when 27-year-old Michael Ryan shot dead sixteen people, including an unarmed police officer and his own mother, before shooting himself. The ...
, the 1996
Dunblane massacre The Dunblane massacre took place at Dunblane Primary School in Dunblane, near Stirling, Scotland, on 13 March 1996, when Thomas Hamilton shot dead 16 pupils and one teacher, and injured 15 others, before killing himself. It remains the deadlie ...
, the 2010
Cumbria shootings The Cumbria shootings was a shooting spree which occurred on 2 June 2010 when a lone gunman, taxi driver Derrick Bird, killed twelve people and injured eleven others in Cumbria, England, United Kingdom. Along with the 1987 Hungerford massacre a ...
and the 2021
Plymouth shooting The Plymouth shooting occurred in Keyham, Plymouth, Devon, England, United Kingdom, on 12 August 2021. The gunman, 22-year-old Jake Davison, shot and killed five people and injured two others before fatally shooting himself. Devon and Cornwall ...
in the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...
; the 1990 Puerto Hurraco massacre in
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 2001
Zug massacre The Zug massacre took place on 27 September 2001 in the city of Zug (Canton of Zug, Switzerland) in the canton's parliament. Friedrich Leibacher shot dead 14 people before killing himself. In the years before the massacre, Leibacher drew atte ...
in
Switzerland ). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...
; the 2002
Erfurt school massacre The Erfurt massacre was a school shooting that occurred on 26 April 2002 at the Gutenberg-Gymnasium, a secondary school in Erfurt, Germany. 19-year-old expelled student Robert Steinhäuser shot and killed 16 people, including 13 staff members, ...
, the 2009 Winnenden school shooting, the 2011 Frankfurt Airport shooting, the 2016 Munich shooting, and the 2020
Hanau shootings The Hanau shootings occurred on 19 February 2020, when eleven people were killed and five others wounded in a terrorist shooting spree by a schizophrenic far-right extremist targeting two shisha bars in Hanau, near Frankfurt, Hesse, Germany. A ...
in
Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...
; the 2020 Vienna attack in
Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...
; the 2007 Jokela school shooting and the 2008
Kauhajoki school shooting The Kauhajoki school shooting occurred on 23 September 2008 at the Seinäjoki University of Applied Sciences (SeAMK) in Kauhajoki, Finland. The gunman, 22-year-old student Matti Juhani Saari, shot and killed ten people with a Walther P22 Targe ...
in
Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of B ...
; the 2010 Bratislava shooting in
Slovakia Slovakia (; sk, Slovensko ), officially the Slovak Republic ( sk, Slovenská republika, links=no ), is a landlocked country in Central Europe. It is bordered by Poland to the north, Ukraine to the east, Hungary to the south, Austria to the s ...
; the 2011 Alphen aan den Rijn shopping mall shooting and the
Utrecht tram shooting On the morning of 18 March 2019, three people were killed and seven others were injured in a mass shooting on a tram in Utrecht, Netherlands. One of the injured died of his injuries ten days later. Gökmen Tanis, a 37-year-old Turkish man, was a ...
in
The Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...
; the 2012
Toulouse and Montauban shootings The Toulouse and Montauban shootings were a series of Islamist terrorism, Islamist terrorist attacksFoley, Frank. ''Countering Terrorism in Britain and France''. Cambridge University Press, 2013. p. 38. committed by Mohammed Merah in March 201 ...
, the
January 2015 Île-de-France attacks From 7 to 9 January 2015, terrorist attacks occurred across the Île-de-France region, particularly in Paris. Three attackers killed a total of 17 in four shooting attacks, and police then killed the three assailants. The attacks also wounded 22 ...
, the
November 2015 Paris attacks The November 2015 Paris attacks () were a series of coordinated Islamist terrorist attacks that took place on Friday, 13 November 2015 in Paris, France, and the city's northern suburb, Saint-Denis. Beginning at 9:15p.m., three suicide bombers ...
and the 2022 Paris shooting in
France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...
; the 2018
Macerata shooting On 3 February 2018, a right-wing terrorist shooting occurred in Macerata, Italy. It received widespread media coverage and affected Italian politics as it occurred during the political campaign for the 2018 Italian general election. Events On 3 ...
in
Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical re ...
; the February 2015 Copenhagen shootings the 2022 Copenhagen mall shooting in
Denmark ) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , subdivision_type = Sovereign state , subdivision_name = Danish Realm, Kingdom of Denmark ...
; and the 2022 Cetinje shooting in
Montenegro ) , image_map = Europe-Montenegro.svg , map_caption = , image_map2 = , capital = Podgorica , coordinates = , largest_city = capital , official_languages = M ...
. The deadliest mass shooting by a lone individual in modern history occurred in Europe with the
2011 Norway attacks The 2011 Norway attacks, referred to in Norway as 22 July ( no, 22. juli) or as 22/7, were two domestic terrorist attacks by neo-Nazi Anders Behring Breivik against the government, the civilian population, and a Workers' Youth League (AUF) ...
in
Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and t ...
, in which 77 people died. Of them 67 died of gunshot wounds. 8 other victims were killed by a bomb and 2 indirectly.


Soviet Union/Russia

Notable mass shootings that occurred in the
Russian Empire The Russian Empire was an empire and the final period of the Russian monarchy from 1721 to 1917, ruling across large parts of Eurasia. It succeeded the Tsardom of Russia following the Treaty of Nystad, which ended the Great Northern War. ...
,
Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...
(
Russian Soviet Federative Socialist Republic The Russian Soviet Federative Socialist Republic, Russian SFSR or RSFSR ( rus, Российская Советская Федеративная Социалистическая Республика, Rossíyskaya Sovétskaya Federatívnaya Soci ...
) and
Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
include the
Pogroms in the Russian Empire Pogroms in the Russian Empire (russian: Еврейские погромы в Российской империи) were large-scale, targeted, and repeated anti-Jewish rioting that began in the 19th century. Pogroms began to occur after Imperial Ru ...
, 1992 Tatarstan shooting, the 2002
Yaroslavsky shooting The Yaroslavsky shooting was a mass murder that occurred in Yaroslavsky, Primorsky Krai, Russia on 25 August 2002, when 40-year-old police captain Sergey Semidovskiy () killed five people and wounded ten others in and outside a bar with a Saiga ...
, the 2002
Moscow theater hostage crisis The Moscow theater hostage crisis (also known as the 2002 Nord-Ost siege) was the seizure of the crowded Dubrovka Theater by Chechen terrorists on 23 October 2002, which involved 850 hostages and ended with Russian security services killing o ...
, the
2012 Moscow shooting The 2012 Moscow shooting was an incident on 7 November 2012, in which six people were killed and one person injured by a lone gunman at a warehouse in northeast Moscow, Russia. The attack Five people were killed in a shooting spree in northeast ...
and the 2014 Moscow school shooting, the 2004
Beslan school siege The Beslan school siege (also referred to as the Beslan school hostage crisis or the Beslan massacre) was a terrorist attack that started on 1 September 2004, lasted three days, involved the imprisonment of more than 1,100 people as hostages ( ...
, the 2013 Belgorod shooting, the 2018
Kerch Polytechnic College massacre The Kerch Polytechnic College massacre was a school shooting and bomb attack that occurred in Kerch, Crimea, on 17 October 2018. 18-year-old student Vladislav Roslyakov killed 20 people and wounded 70 others before committing suicide. It was th ...
, the 2021 Kazan school shooting, the 2021 Perm State University shooting, and the 2022 Izhevsk school shooting.


North America


Canada

Notable mass shootings in
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...
include the 1989
École Polytechnique massacre École may refer to: * an elementary school in the French educational stages normally followed by secondary education establishments (collège and lycée) * École (river), a tributary of the Seine flowing in région Île-de-France * École, Savoi ...
(which led to stronger gun control in Canada), the 1992
Concordia University massacre The Concordia University massacre was a school shooting on August 24, 1992 in which Valery I. Fabrikant, an associate professor of mechanical engineering, killed four colleagues and wounded a staff member at Concordia University in Montreal, Qu ...
, the 2006
Dawson College shooting The Dawson College shooting occurred on September 13, 2006, at Dawson College, a CEGEP located in downtown Montreal, Quebec, Canada. The perpetrator, Kimveer Singh Gill, began shooting outside the de Maisonneuve Boulevard entrance to the school ...
in
Montreal Montreal ( ; officially Montréal, ) is the List of the largest municipalities in Canada by population, second-most populous city in Canada and List of towns in Quebec, most populous city in the Provinces and territories of Canada, Canadian ...
, the 2012
Danzig Street shooting The Danzig Street shooting, or Danzig shooting, was a gang-related shooting that occurred on the evening of 16July 2012 at a block party on Danzig Street in the West Hill, Toronto, West Hill neighbourhood of Toronto, Canada. Rival gang members ...
, the 2014 Edmonton shooting in
Edmonton Edmonton ( ) is the capital city of the Canadian province of Alberta. Edmonton is situated on the North Saskatchewan River and is the centre of the Edmonton Metropolitan Region, which is surrounded by Alberta's central region. The city ancho ...
, the
2017 Quebec City mosque shooting The Quebec City mosque shooting (french: Attentat de la grande mosquée de Québec) was an attack by a single gunman on the evening of January 29, 2017, at the Islamic Cultural Centre of Quebec City, a mosque in the Sainte-Foy neighbourhood ...
in
Quebec City Quebec City ( or ; french: Ville de Québec), officially Québec (), is the capital city of the Provinces and territories of Canada, Canadian province of Quebec. As of July 2021, the city had a population of 549,459, and the Communauté métrop ...
, the 2018 Toronto shooting, and the 2020 Nova Scotia attacks. Following the attacks in Nova Scotia, collectively considered to be the deadliest mass shooting in Canadian history, Prime Minister
Justin Trudeau Justin Pierre James Trudeau ( , ; born December 25, 1971) is a Canadian politician who is the 23rd and current prime minister of Canada. He has served as the prime minister of Canada since 2015 and as the leader of the Liberal Party since 2 ...
banned the use, sale, purchase, and import of
AR-15 An AR-15-style rifle is any lightweight semi-automatic rifle based on the Colt AR-15 design. The original ArmaLite AR-15 is a scaled-down derivative of Eugene Stoner's ArmaLite AR-10 design. The then Fairchild Engine and Airplane Corporation d ...
s – the semi-automatic rifle used in the shooting and many other shootings in the US.


Mexico

Notable mass shootings in
Mexico Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...
include the 2010 Chihuahua shootings in Chihuahua.


United States

The United States has had the most mass shootings of any country. In a 2016 study published by criminologist Adam Lankford, it was estimated that 31% of all public mass shooters from 1966 to 2012 attacked in the United States, although the U.S. had less than 5% of the world's population. The study concludes that "The United States and other nations with high firearm ownership rates may be particularly susceptible to future public mass shootings, even if they are relatively peaceful or mentally healthy according to other national indicators." Criminologist
Gary Kleck Gary Kleck (born March 2, 1951) is a criminologist and the David J. Bordua Professor Emeritus of Criminology at Florida State University. Early life and education Kleck was born in Lombard, Illinois, to William and Joyce Kleck. He attended Gle ...
criticized Lankford's findings, stating the study merely shows a proportional relationship, but fails to prove that gun ownership ''causes'' mass shootings. Backlash from economist and gun rights advocate
John Lott John Richard Lott Jr. (born May 8, 1958) is an American economist, political commentator, and gun rights advocate. Lott was formerly employed at various academic institutions and at the American Enterprise Institute conservative think tank. He ...
also raised objections to Lankford's methodology and refusal to share his data. He speculated that Lankford had overlooked a significant number of mass shootings outside the US, which if accounted for would adjust the nation's share closer to 2.88%; slightly below the world average. Lankford has since followed up on his research, publishing his data and clarifying that the United States from 1998 to 2012 did in fact have more than six times its global share of public mass shooters who attacked alone, which is almost always the case with mass shooters. Using the data from Lott and Moody's 2019 study of mass shootings, Lankford explains that "41 of all 138 public mass shootings by single perpetrators worldwide were committed in the United States. That represents 29.7%. Because America had in those years approximately 4.5% of the world's population (according to Lott and Moody's calculations), this indicates that based on their own data, the United States had more than six times its global share of public mass shooters who attacked alone (29.7/4.5 = 6.6). In a subsequent study, Lankford criticized Lott and Moody for including "attacks by terrorist organizations, genocidal militias, armed rebel groups, and paramilitary fighters" in their data and suggested they "misrepresent approximately 1,000 foreign cases from their own dataset" in other ways. Mass shootings have also been observed to be followed by an increase in the purchase of weapons, but does not seem to create an increased feeling of needing guns in either gun owners or non-owners. Despite the fact that the global
COVID-19 pandemic The COVID-19 pandemic, also known as the coronavirus pandemic, is an ongoing global pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The novel virus was first identif ...
reduced public gatherings from March 2020 onward, the number of mass shootings increased significantly over that period. It "even doubled in July 2020 compared to a year earlier". The
2022 Buffalo shooting On May 14, 2022, a mass shooting occurred in Buffalo, New York, United States, at a Tops Friendly Markets supermarket in the East Side neighborhood. Ten people, all of whom were Black, were murdered and three were injured. The shooter, identif ...
perpetrator said he was radicalized during the COVID-19 pandemic, and used the r/MassKillers subreddit for advice on how to commit his attack.


South America


Argentina

Notable mass shootings in
Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...
include the 2004 Carmen de Patagones school shooting in
Carmen de Patagones Carmen de Patagones is the southernmost city in the . Geography It is located 937 km southwest from the city of Buenos Aires, on the north bank of the Río Negro ("Black River"), near the Atlantic Ocean, and opposite Viedma, capital of ...
.


Brazil

Notable mass shootings in
Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
include the 2011
Realengo massacre On the morning of Thursday, 7 April 2011, a World Health Day, 12 children aged between 12 and 14 were killed and 22 others seriously wounded by Wellington Menezes de Oliveira, who entered the Tasso da Silveira Municipal School (''Escola Municipal ...
in
Rio de Janeiro Rio de Janeiro ( , , ; literally 'River of January'), or simply Rio, is the capital of the state of the same name, Brazil's third-most populous state, and the second-most populous city in Brazil, after São Paulo. Listed by the GaWC as a b ...
and the Suzano school shooting in
Suzano Suzano is a municipality in São Paulo state, Brazil. It is part of the Metropolitan Region of São Paulo. The population is 300,559 (2020 est.) in an area of 206.24 km². The elevation is 749 m. Suzano has a large Japanese Brazilian popula ...
.


Oceania


Australia

Notable mass shootings in Australia include the 1987
Hoddle Street massacre The Hoddle Street massacre was a mass shooting that occurred on the evening of Sunday, 9 August 1987, in Hoddle Street, Clifton Hill, a suburb of Melbourne, Victoria, in Australia. The shootings resulted in the deaths of seven people, and seri ...
in
Hoddle Street Hoddle Highway is an urban highway in Melbourne linking CityLink and the Eastern Freeway, itself a sub-section of Hoddle Main Road. Both these names are not widely known to most drivers, as the entire allocation is still best known as by the n ...
, Clifton Hill,
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 ...
; and the 1996 Port Arthur massacre in
Port Arthur, Tasmania Port Arthur is a town and former convict settlement on the Tasman Peninsula, in Tasmania, Australia. It is located approximately southeast of the state capital, Hobart. The site forms part of the Australian Convict Sites, a World Heritage p ...
. There were 13 mass shootings with five or more deaths between 1979 and 1996, and three mass shootings involving four or more deaths have occurred since the introduction of new gun laws following the Port Arthur incident.


New Zealand

Notable mass shootings in New Zealand include the 1990
Aramoana massacre The Aramoana massacre was a spree shooting that occurred on 13 November 1990 in the small seaside township of Aramoana, northeast of Dunedin, New Zealand. Resident David Gray killed 13 people including local police Sergeant Stewart Guthrie, o ...
in which 14 people were killed (including the perpetrator) in
Aramoana Aramoana is a small coastal settlement north of Dunedin on the South Island of New Zealand. The settlement's permanent population in the 2001 Census was 261. Supplementing this are seasonal visitors from the city who occupy cribs. The name '' ...
and the 2019
Christchurch mosque shootings On 15 March 2019, two consecutive mass shootings occurred in a terrorist attack on two mosques in Christchurch, New Zealand. The attacks, carried out by a lone gunman who entered both mosques during Friday prayer, began at the Al Noor Mosque ...
in
Christchurch Christchurch ( ; mi, Ōtautahi) is the largest city in the South Island of New Zealand and the seat of the Canterbury Region. Christchurch lies on the South Island's east coast, just north of Banks Peninsula on Pegasus Bay. The Avon River / ...
, which resulted in 51 deaths and is the largest mass shooting in New Zealand history.


Victims and survivors

After mass shootings, some survivors have written about their experiences and their experiences have been covered by journalists. A survivor of the
Knoxville Unitarian Universalist church shooting The Tennessee Valley Unitarian Universalist Church Shooting was a mass shooting that occurred on July 27, 2008 when an unemployed Tennessee truck driver named Jim David Adkisson went on a shooting rampage at the Tennessee Valley Unitarian Unive ...
wrote about his reaction to other mass shooting incidents. The father of a victim in a mass shooting at a movie theater in
Aurora, Colorado Aurora (, ) is a List of municipalities in Colorado#Home rule municipality, home rule municipality located in Arapahoe County, Colorado, Arapahoe, Adams County, Colorado, Adams, and Douglas County, Colorado, Douglas List of counties in Colorado, ...
, wrote about witnessing other mass shootings after the loss of his son. The survivors of the
2011 Norway attacks The 2011 Norway attacks, referred to in Norway as 22 July ( no, 22. juli) or as 22/7, were two domestic terrorist attacks by neo-Nazi Anders Behring Breivik against the government, the civilian population, and a Workers' Youth League (AUF) ...
recounted their experience to '' GQ'' magazine. In addition, one paper studied Swedish police officers' reactions to a mass shooting. Survivors of mass shootings can suffer from
Post-traumatic stress disorder Post-traumatic stress disorder (PTSD) is a mental and behavioral disorder that can develop because of exposure to a traumatic event, such as sexual assault, warfare, traffic collisions, child abuse, domestic violence, or other threats on ...
.


Perpetrators


Sex and ethnicity


United States

The overwhelming majority of mass shooters in the U.S. are male, with some sources showing males account for 98% of mass shooters. According to Sky News, male perpetrators committed 110 out of 114 school shootings (96%) in the period 1982–2019, compared to homicides in general in the United States, where 85.3% of homicides were committed by males. A study by
Statista   Statista is an online platform specialized in market and consumer data, which offers statistics & reports, market insights, cosumer insights and company insights in German, English, Spanish and French. In addition to publicly available thi ...
showed that 65 out of 116 (56%) U.S. mass shootings in a period from 1982 to 2019 involved "white" shooters. According to a database compiled by ''
Mother Jones Mary G. Harris Jones (1837 (baptized) – November 30, 1930), known as Mother Jones from 1897 onwards, was an Irish-born American schoolteacher and dressmaker who became a prominent union organizer, community organizer, and activist. She h ...
'' magazine, the race of the shooters is approximately proportionate to the overall U.S. population, although Asians are overrepresented and Latinos underrepresented.


Mental health and criminal records

In a study of 55 mass shooters from Mother Jones' mass shooting database, researchers found that 87.5% of perpetrators had misdiagnosed and incorrectly treated or undiagnosed and untreated psychiatric illness. According to a study by The Violence Project, 42% of all mass shooters experienced physical or sexual abuse, parental suicide, or were victims of bullying. They also found that 72% of perpetrators were suicidal. In a study of 171 mass shooters who attacked in the United States from 1966 to 2019, researchers Adam Lankford and Rebecca Cowan found that although the vast majority of people with mental illness are not violent, "almost all public mass shooters may have mental health problems." They suggest the frequency of mental health problems among mass shooters is sometimes underestimated because "many perpetrators have never been formally evaluated by a psychiatrist or mental health practitioner...and others deliberately avoid doctors, conceal their mental health problems, or lie about their symptoms due to shame, stigma, or fear of other consequences." However, Lankford and Cowan also emphasize that mental illness is not the sole cause of mass shootings and many other factors play an important role in perpetrators' decisions to attack. Criminologist James Allen Fox said that most mass murderers do not have a criminal record, or involuntary incarceration at a mental health centre, although an article in ''The New York Times'' in December 2015 about 15 recent mass shootings found that six perpetrators had had run-ins with law enforcement, and six had mental health issues.


Motives

Mass shootings can be motivated by
religious extremism Religious fanaticism, or religious extremism, is a pejorative designation used to indicate uncritical zeal or obsessive enthusiasm which is related to one's own, or one's group's, devotion to a religion – a form of human fanaticism which cou ...
,
political ideologies An ideology is a set of beliefs or philosophies attributed to a person or group of persons, especially those held for reasons that are not purely epistemic, in which "practical elements are as prominent as theoretical ones." Formerly applied prim ...
(e.g.,
neo-Nazism Neo-Nazism comprises the post–World War II militant, social, and political movements that seek to revive and reinstate Nazism, Nazi ideology. Neo-Nazis employ their ideology to promote hatred and Supremacism#Racial, racial supremacy (ofte ...
,
terrorism Terrorism, in its broadest sense, is the use of criminal violence to provoke a state of terror or fear, mostly with the intention to achieve political or religious aims. The term is used in this regard primarily to refer to intentional violen ...
,
White supremacism White supremacy or white supremacism is the belief that white people are superior to those of other races and thus should dominate them. The belief favors the maintenance and defense of any power and privilege held by white people. White su ...
),
racism Racism is the belief that groups of humans possess different behavioral traits corresponding to inherited attributes and can be divided based on the superiority of one race over another. It may also mean prejudice, discrimination, or antagonism ...
, sexual orientation, misogyny, mental illness, and extensive bullying, among other reasons. Forensic psychologist Stephen Ross cites extreme anger and the notion of working for a cause—rather than mental illness—as primary explanations. A study by Vanderbilt University researchers found that "fewer than 5% of the 120,000 gun-related killings in the United States between 2001 and 2010 were perpetrated by people diagnosed with mental illness." John Roman of the Urban Institute argues that, while better access to mental health care, restricting high powered weapons, and creating a defensive infrastructure to combat terrorism are constructive, they do not address the greater issue, which is "we have a lot of really angry young men in our country and in the world." Author Dave Cullen, in his 2009 book ''Columbine (book), Columbine'' on the infamous 1999 Columbine High School massacre and its perpetrators Eric Harris and Dylan Klebold, described Harris as an "injustice collector." He expanded on the concept in a 2015 ''The New Republic, New Republic'' essay on injustice collectors, identifying several notorious killers as fitting the category, including Christopher Dorner shootings and manhunt, Christopher Dorner, 2014 Isla Vista killings, Elliot Rodger, Murders of Alison Parker and Adam Ward, Vester Flanagan, and Andrew Kehoe. Likewise, mass shooting expert and former FBI profiler Mary O'Toole also uses the phrase "injustice collector" in characterizing motives of some mass shooting perpetrators. In relation, criminologist James Alan Fox contends that mass murderers are "enabled by social isolation" and typically experience "years of disappointment and failure that produce a mix of profound hopelessness and deep-seated resentment." Jillian Peterson, an assistant professor of criminology at Hamline University who is participating in the construction of a database on mass shooters, noted that two phenomena surface repeatedly in the statistics: hopelessness and a need for notoriety in life or in death. Notoriety was first suggested as a possible motive and researched by Justin Nutt. Nutt stated in a 2013 article, "those who feel nameless and as though no one will care or remember them when they are gone may feel doing something such as a school shooting will make sure they are remembered and listed in the history books." In a 2019 op-ed for the Los Angeles Times, Jillian Peterson and James Densley of The Violence Project think tank presented a new, hopeful, framework to understand mass shootings. Based on a study funded by the National Institute of Justice, Peterson and Densley found mass shooters had four things in common: (1) early childhood trauma and exposure to violence at a young age; (2) an identifiable grievance or crisis point; (3) validation for their belief system, have studied past shootings to find inspiration; and (4) the means to carry out an attack. This new framework highlights the complexity of the pathway to a mass shooting, including how each one can be "socially contagious," but also provides a blueprint to prevent the next mass shooting. Each one of the four themes represents an opportunity for intervention. By reducing access to firearms (means), slowing mass shooting contagion, contagion (validation), training in crisis intervention de-escalation (crisis), and increasing access to affordable mental healthcare (trauma), a mass shooting can be averted. In considering the frequency of mass shootings in the United States, criminologist Peter Squires says that the individualistic culture in the United States puts the country at greater risk for mass shootings than other countries, noting that "many other countries where gun ownership is high, such as Norway, Finland, Switzerland and Israel . . . tend to have more tight-knit societies where a strong social bond supports people through crises, and mass killings are fewer." He is an advocate of gun control, but contends there is more to mass shootings than the prevalence of guns. The Italian Marxist academic Franco Berardi argues that the hyper-individualism, social alienation and competitiveness fomented by Neoliberalism, neoliberal ideology and capitalism creates mass shooters by causing people to "malfunction."


Social science and family structure

A noteworthy connection has been reported in the U.S. between mass shootings and domestic or family violence, with a current or former intimate partner or family member killed in 76 of 133 cases (57%), and a perpetrator having previously been charged with domestic violence in 21. This analysis has later figures than reported in the article Moynihan said that "almost all school shooters come from families where the parents are either divorced or alienated," and Cook argued that "perhaps they wouldn't need more gun control if they had better divorce control."


Responses


Media

Some people have considered whether media attention revolving around the perpetrators of mass shootings is a factor in sparking further incidents. In response to this, some in law enforcement have decided against naming mass shooting suspects in media-related events to avoid giving them notoriety. The effects of messages used in the coverage of mass shootings has been studied. Researchers studied the role the coverage plays in shaping attitudes toward persons with serious mental illness and public support for gun control policies. In 2015, a paper written by a physicist and statistician, Sherry Towers, along with four colleagues was published, which proved that there is indeed mass shooting contagion using mathematical modeling. However, in 2017, Towers said in an interview that she prefers Industry self-regulation, self-regulation to censorship to address this issue, just like years ago major news outlets successfully prevent copycat suicide. In 2016, the American Psychological Association published a press release, claiming that mass shooting contagion does exist and news media and social media enthusiasts should withhold the name(s) and face(s) of the victimizer(s) when reporting a mass shooting to deny the fame the shooter(s) want to curb contagion. Some news media have weighed in on the gun control debate. After the 2015 San Bernardino attack, the ''New York Daily News'' front-page headline "God isn't fixing this" was accompanied by "images of tweets from leading Republicans who shared their 'thoughts' and 'prayers' for the shooting victims." Since the 2014 Isla Vista killings, satirical news website ''The Onion'' has repeatedly republished the story "'No Way To Prevent This,' Says Only Nation Where This Regularly Happens" with minor edits after major mass shootings, to satirise the popular consensus that there is a lack of political power in the United States to prevent mass shootings.


Gun law reform

Responses to mass shootings take a variety of forms, depending on the country and political climate.


Australia

After the 1996 Port Arthur massacre, Australia changed Gun laws in Australia#The Port Arthur massacre and its consequences, its gun laws.


New Zealand

In the aftermath of the
Christchurch mosque shootings On 15 March 2019, two consecutive mass shootings occurred in a terrorist attack on two mosques in Christchurch, New Zealand. The attacks, carried out by a lone gunman who entered both mosques during Friday prayer, began at the Al Noor Mosque ...
, New Zealand announced a ban on almost all semiautomatic military-style weapons.


United Kingdom

As a result of the
Hungerford massacre The Hungerford massacre was a spree shooting in Hungerford, England, United Kingdom, on 19 August 1987, when 27-year-old Michael Ryan shot dead sixteen people, including an unarmed police officer and his own mother, before shooting himself. The ...
in Hungerford, England, and the Dunblane school massacre in Stirling, Scotland, the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...
enacted tough gun laws and a buyback program to remove specific classes of firearms from private ownership. They included the Firearms Amendment Act 1988, which limited rifles and shotguns; and the 1997 Firearms Amendment Acts, which restricted or made illegal many handguns. There have been two mass shootings since the laws were restricted: the
Cumbria shootings The Cumbria shootings was a shooting spree which occurred on 2 June 2010 when a lone gunman, taxi driver Derrick Bird, killed twelve people and injured eleven others in Cumbria, England, United Kingdom. Along with the 1987 Hungerford massacre a ...
in 2010, which killed 13 people, including the perpetrator; and the
Plymouth shooting The Plymouth shooting occurred in Keyham, Plymouth, Devon, England, United Kingdom, on 12 August 2021. The gunman, 22-year-old Jake Davison, shot and killed five people and injured two others before fatally shooting himself. Devon and Cornwall ...
in 2021, which killed six people, including the perpetrator.


United States

In the United States, support for gun law reform gun politics in the United States, varies considerably by political party, with Democrats generally more supportive and Republicans generally more opposed. Some in the U.S. believe that tightening gun laws would prevent future mass shootings. Some politicians in the U.S. introduced legislation to reform the background check system for purchasing a gun. A vast majority of Americans support tighter background checks. "According to a poll by Quinnipiac University in Connecticut, 93 percent of registered voters said they would support universal background checks for all gun buyers." Others contend that mass shootings should not be the main focus in the gun law reform debate because these shootings account for less than one percent of the U.S. homicide rate and believe that these shootings are hard to stop. They often argue that civilians with concealed guns will be able to stop shootings. According to British criminologist Peter Squires, who has studied gun violence in different countries, mass shootings may be more due to the "individualistic culture" in the U.S. than its firearm laws.


Leaders

As of June 2016, U.S. President Barack Obama had spoken in the aftermath of fourteen mass shootings during his eight-year presidency, repeatedly calling for more gun safety laws in the United States. After the Charleston church shooting, Obama said, "At some point, we as a country will have to reckon with the fact that this type of mass violence does not happen in other advanced countries. It doesn't happen in other places with this kind of frequency." After the 2015 San Bernardino attack, Obama renewed his call for reforming gun-safety laws and also said that the frequency of mass shootings in the United States has "no parallel in the world." After the Stoneman Douglas High School shooting, the surviving students, teachers, and parents became strong leaders in the effort to ban assault weapon sales and easy accessibility to weapons.


See also

* :Mass shootings by country * Active shooter * Copycat crime * Domestic terrorism * Mass murder * School shooting * Spree killer


References


External links


Timeline: Deadliest U.S. mass shootings

Public Mass Shootings in the United States: Selected Policy Implications
Congressional Research Service
Algoworld: Scientific Ways To Predict Mass Shootings

Washington Case Revives Debate About 'Contagious' Mass ShootingsYes, Mass Shootings Are Occurring More Often
''Mother Jones.'' October 21, 2014. {{Authority control Mass shootings, Gun violence Killings by type Terrorism tactics Attacks by method Mass murder Rampages