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The
world In its most general sense, the term "world" refers to the totality of entities, to the whole of reality or to everything that is. The nature of the world has been conceptualized differently in different fields. Some conceptions see the worl ...
's principal
religion Religion is usually defined as a social- cultural system of designated behaviors and practices, morals, beliefs, worldviews, texts, sanctified places, prophecies, ethics, or organizations, that generally relates humanity to supernatural, ...
s and spiritual traditions may be classified into a small number of major groups, though this is not a uniform practice. This theory began in the 18th century with the goal of recognizing the relative levels of
civility Civility comes from the word ''civis'', which in Latin means " citizen". Merriam Webster defines civility as civilized conduct (especially: courtesy or politeness) or a polite act or expression. Historically, civility also meant training in the hu ...
in different societies, but this practice has since fallen into disrepute in many contemporary cultures.


History of religious categories


Christian categorizations

Initially, Christians had a simple dichotomy of world beliefs: Christian civility versus foreign heresy or barbarity. In the 18th century, "
heresy Heresy is any belief or theory that is strongly at variance with established beliefs or customs, in particular the accepted beliefs of a church or religious organization. The term is usually used in reference to violations of important religi ...
" was clarified to mean
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 ...
and
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 ...
; along with
paganism Paganism (from classical Latin ''pāgānus'' "rural", "rustic", later "civilian") is a term first used in the fourth century by early Christianity, early Christians for people in the Roman Empire who practiced polytheism, or ethnic religions ot ...
, this created a fourfold classification which spawned such works as
John Toland John Toland (30 November 167011 March 1722) was an Irish rationalist philosopher and freethinker, and occasional satirist, who wrote numerous books and pamphlets on political philosophy and philosophy of religion, which are early expressions o ...
's ''Nazarenus, or Jewish, Gentile, and Mahometan Christianity'', which represented the three
Abrahamic religions The Abrahamic religions are a group of religions centered around worship of the God of Abraham. Abraham, a Hebrew patriarch, is extensively mentioned throughout Abrahamic religious scriptures such as the Bible and the Quran. Jewish tradition ...
as different "nations" or sects within ''religion'' itself, the "true
monotheism Monotheism is the belief that there is only one deity, an all-supreme being that is universally referred to as God. Cross, F.L.; Livingstone, E.A., eds. (1974). "Monotheism". The Oxford Dictionary of the Christian Church (2 ed.). Oxford: Oxfo ...
."
Daniel Defoe Daniel Defoe (; born Daniel Foe; – 24 April 1731) was an English writer, trader, journalist, pamphleteer and spy. He is most famous for his novel ''Robinson Crusoe'', published in 1719, which is claimed to be second only to the Bible in its ...
described the original definition as follows: "Religion is properly the Worship given to God, but 'tis also applied to the Worship of Idols and false Deities." At the turn of the 19th century, in between 1780 and 1810, the language dramatically changed: instead of "religion" being synonymous with spirituality, authors began using the plural, "religions," to refer to both Christianity and other forms of worship. Therefore,
Hannah Adams Hannah Adams (October 2, 1755December 15, 1831) was an American author of books on comparative religion and early United States history. She was born in Medfield, Massachusetts and died in Brookline. Adams was the first woman in the U.S. who worke ...
's early encyclopedia, for example, had its name changed from ''An Alphabetical Compendium of the Various Sects...'' to ''
A Dictionary of All Religions and Religious Denominations A, or a, is the first letter and the first vowel of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ''a'' (pronounced ), plural ''aes' ...
''. In 1838, the four-way division of Christianity, Judaism, Mahommedanism (archaic terminology for
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 ...
) and paganism was multiplied considerably by Josiah Conder's ''Analytical and Comparative View of All Religions Now Extant among Mankind''. Conder's work still adhered to the four-way classification, but in his eye for detail he puts together much historical work to create something resembling the modern Western image: he includes
Druze The Druze (; ar, دَرْزِيٌّ, ' or ', , ') are an Arabic-speaking esoteric ethnoreligious group from Western Asia who adhere to the Druze faith, an Abrahamic, monotheistic, syncretic, and ethnic religion based on the teachings of ...
,
Yezidi Yazidis or Yezidis (; ku, ئێزیدی, translit=Êzidî) are a Kurmanji-speaking endogamous minority group who are indigenous to Kurdistan, a geographical region in Western Asia that includes parts of Iraq, Syria, Turkey and Iran. The ma ...
s,
Mandaeans Mandaeans ( ar, المندائيون ), also known as Mandaean Sabians ( ) or simply as Sabians ( ), are an ethnoreligious group who are followers of Mandaeism. They believe that John the Baptist was the final and most important prophet. ...
, and
Elam Elam (; Linear Elamite: ''hatamti''; Cuneiform Elamite: ; Sumerian: ; Akkadian: ; he, עֵילָם ''ʿēlām''; peo, 𐎢𐎺𐎩 ''hūja'') was an ancient civilization centered in the far west and southwest of modern-day Iran, stretc ...
ites under a list of possibly monotheistic groups, and under the final category, of "polytheism and pantheism," he listed
Zoroastrianism Zoroastrianism is an Iranian religions, Iranian religion and one of the world's History of religion, oldest organized faiths, based on the teachings of the Iranian peoples, Iranian-speaking prophet Zoroaster. It has a Dualism in cosmology, du ...
, "Vedas, Puranas, Tantras, Reformed sects" of India as well as "Brahminical idolatry,"
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 ...
,
Jainism Jainism ( ), also known as Jain Dharma, is an Indian religions, Indian religion. Jainism traces its spiritual ideas and history through the succession of twenty-four tirthankaras (supreme preachers of ''Dharma''), with the first in the current ...
,
Sikhism Sikhism (), also known as Sikhi ( pa, ਸਿੱਖੀ ', , from pa, ਸਿੱਖ, lit=disciple', 'seeker', or 'learner, translit=Sikh, label=none),''Sikhism'' (commonly known as ''Sikhī'') originated from the word ''Sikh'', which comes fro ...
, Lamaism, "religion of China and Japan," and "illiterate superstitions" as others. The modern meaning of the phrase "world religion," putting non-Christians at the same level as Christians, began with the 1893
Parliament of the World's Religions There have been several meetings referred to as a Parliament of the World's Religions, the first being the World's Parliament of Religions of 1893, which was an attempt to create a global dialogue of faiths. The event was celebrated by another c ...
in
Chicago (''City in a Garden''); I Will , image_map = , map_caption = Interactive Map of Chicago , coordinates = , coordinates_footnotes = , subdivision_type = Country , subdivision_name ...
. The Parliament spurred the creation of a dozen privately funded lectures with the intent of informing people of the diversity of religious experience: these lectures funded researchers such as
William James William James (January 11, 1842 – August 26, 1910) was an American philosopher, historian, and psychologist, and the first educator to offer a psychology course in the United States. James is considered to be a leading thinker of the lat ...
,
D. T. Suzuki , self-rendered in 1894 as "Daisetz", was a Japanese-American Buddhist monk, essayist, philosopher, religious scholar, translator, and writer. He was a scholar and author of books and essays on Buddhism, Zen and Shin that were instrumental in s ...
, and
Alan Watts Alan Wilson Watts (6 January 1915 – 16 November 1973) was an English writer, speaker and self-styled "philosophical entertainer", known for interpreting and popularising Japanese, Chinese and Indian traditions of Buddhist, Taoist, and Hindu ...
, who greatly influenced the public conception of world religions. In the latter half of the 20th century, the category of "world religion" fell into serious question, especially for drawing parallels between vastly different cultures, and thereby creating an arbitrary separation between the religious and the secular.


Islam categorizations

In
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 ...
, the
Quran The Quran (, ; Standard Arabic: , Classical Arabic, Quranic Arabic: , , 'the recitation'), also romanized Qur'an or Koran, is the central religious text of Islam, believed by Muslims to be a revelation in Islam, revelation from God in Islam, ...
mentions three different categories:
Muslims Muslims ( ar, المسلمون, , ) are people who adhere to Islam, a monotheistic religion belonging to the Abrahamic tradition. They consider the Quran, the foundational religious text of Islam, to be the verbatim word of the God of Abraha ...
, the
People of the Book People of the Book or Ahl al-kitāb ( ar, أهل الكتاب) is an Islamic term referring to those religions which Muslims regard as having been guided by previous revelations, generally in the form of a scripture. In the Quran they are ident ...
, and
idol worship Idolatry is the worship of a cult image or "idol" as though it were God. In Abrahamic religions (namely Judaism, Samaritanism, Christianity, the Baháʼí Faith, and Islam) idolatry connotes the worship of something or someone other than the A ...
ers.


Classification

Religious traditions fall into super-groups in
comparative religion Comparative religion is the branch of the study of religions with the systematic comparison of the doctrines and practices, themes and impacts (including migration) of the world's religions. In general the comparative study of religion yie ...
, arranged by historical origin and mutual influence. Abrahamic religions originate in
West Asia Western Asia, West Asia, or Southwest Asia, is the westernmost subregion of the larger geographical region of Asia, as defined by some academics, UN bodies and other institutions. It is almost entirely a part of the Middle East, and includes Ana ...
,
Indian religions Indian religions, sometimes also termed Dharmic religions or Indic religions, are the religions that originated in the Indian subcontinent. These religions, which include Hinduism, Jainism, Buddhism, and Sikhism,Adams, C. J."Classification of ...
in the
Indian subcontinent The Indian subcontinent is a list of the physiographic regions of the world, physiographical region in United Nations geoscheme for Asia#Southern Asia, Southern Asia. It is situated on the Indian Plate, projecting southwards into the Indian O ...
(South Asia) and
East Asian religions In the study of comparative religion, the East Asian religions or Taoic religions, form a subset of the Eastern religions. This group includes Chinese religion overall, which further includes Ancestral Worship, Chinese folk religion, Confuciani ...
in
East Asia East Asia is the eastern region of Asia, which is defined in both geographical and ethno-cultural terms. The modern states of East Asia include China, Japan, Mongolia, North Korea, South Korea, and Taiwan. China, North Korea, South Korea and ...
. Another group with supra-regional influence are
Afro-American religion African diaspora religions are a number of related Pagan beliefs that developed in the Americas in various nations of the Caribbean, Latin America and the Southern United States. They derive from Pagan traditional African religions with some infl ...
, which have their origins in Central and West Africa. * Middle Eastern religions: **
Abrahamic religions The Abrahamic religions are a group of religions centered around worship of the God of Abraham. Abraham, a Hebrew patriarch, is extensively mentioned throughout Abrahamic religious scriptures such as the Bible and the Quran. Jewish tradition ...
are the largest group, and these consist mainly of
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 ...
,
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 ...
,
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 ...
, and the
Baháʼí Faith The Baháʼí Faith is a religion founded in the 19th century that teaches the Baháʼí Faith and the unity of religion, essential worth of all religions and Baháʼí Faith and the unity of humanity, the unity of all people. Established by ...
. They are named for the patriarch
Abraham Abraham, ; ar, , , name=, group= (originally Abram) is the common Hebrew patriarch of the Abrahamic religions, including Judaism, Christianity, and Islam. In Judaism, he is the founding father of the special relationship between the Jew ...
, and are unified by the practice of monotheism. Today, at least 3.8 billion people are followers of Abrahamic religions and are spread widely around the world apart from the regions around East and Southeast Asia. Several Abrahamic organizations are vigorous proselytizers. Abrahamic religions with fewer adherents include the
Baháʼí Faith The Baháʼí Faith is a religion founded in the 19th century that teaches the Baháʼí Faith and the unity of religion, essential worth of all religions and Baháʼí Faith and the unity of humanity, the unity of all people. Established by ...
, the Druze faith,
Samaritanism Samaritanism is the Abrahamic, monotheistic, ethnic religion of the Samaritan people, an ethnoreligious group who, alongside Jews, originate from the ancient Israelites. Its central holy text is the Samaritan Pentateuch, which Samaritans ...
, and Rastafari. **
Iranian religions Iranian religions also known as Persian religions are, in the context of comparative religion, a grouping of religious movements that originated in the Iranian (Persian) plateau (or Greater Iran). Background The beliefs, activities, and cultura ...
, partly of
Indo-European The Indo-European languages are a language family native to the overwhelming majority of Europe, the Iranian plateau, and the northern Indian subcontinent. Some European languages of this family, English, French, Portuguese, Russian, Dutc ...
origins, include
Zoroastrianism Zoroastrianism is an Iranian religions, Iranian religion and one of the world's History of religion, oldest organized faiths, based on the teachings of the Iranian peoples, Iranian-speaking prophet Zoroaster. It has a Dualism in cosmology, du ...
,
Yazdânism Yazdânism, or the Cult of Angels, is a pseudohistoric pre-Islamic religion with claimed ties relating to a Mithraic religion of the Kurds. The term was introduced and proposed by Kurdish and Belgian scholar Mehrdad Izady to represent what he cons ...
,
Uatsdin Assianism (, ''Watsdin'') is a modern Pagan religion derived from the traditional mythology of the Ossetians, modern descendants of the Scythians of the Alan tribes, believed to be a continuation of the ancient Scythian religion. The religion is ...
,
Yarsanism Yarsanism, Ahl-e Haqq or Kaka'i ( ku, یارسان, translit=Yarsan or ; fa, اهل حق, ar, كاكائي), is a syncretic religion founded by Sultan Sahak in the late 14th century in western Iran. The total number of followers of Yarsanism ...
,
Yazidism Yazidism , alternatively Sharfadin is a Monotheism, monotheistic ethnic religion that has roots in a western Ancient Iranian religion, Iranic pre-Zoroastrian religion directly derived from the Indo-Iranians, Indo-Iranian tradition. It is follow ...
. **
Gnosticism Gnosticism (from grc, γνωστικός, gnōstikós, , 'having knowledge') is a collection of religious ideas and systems which coalesced in the late 1st century AD among Jewish Jews ( he, יְהוּדִים, , ) or Jewish people ...
, including historical traditions of
Manichaeism Manichaeism (; in New Persian ; ) is a former major religionR. van den Broek, Wouter J. Hanegraaff ''Gnosis and Hermeticism from Antiquity to Modern Times''SUNY Press, 1998 p. 37 founded in the 3rd century AD by the Parthian Empire, Parthian ...
and
Mandaeism Mandaeism ( Classical Mandaic: ࡌࡀࡍࡃࡀࡉࡉࡀ ; Arabic: المندائيّة ), sometimes also known as Nasoraeanism or Sabianism, is a Gnostic, monotheistic and ethnic religion. Its adherents, the Mandaeans, revere Adam, Abel ...
, which is still alive in the Middle East and diaspora. * Eastern religions: **
Indian religions Indian religions, sometimes also termed Dharmic religions or Indic religions, are the religions that originated in the Indian subcontinent. These religions, which include Hinduism, Jainism, Buddhism, and Sikhism,Adams, C. J."Classification of ...
, originated in Greater India and they tend to share a number of key concepts, such as
dharma Dharma (; sa, धर्म, dharma, ; pi, dhamma, italic=yes) is a key concept with multiple meanings in Indian religions, such as Hinduism, Buddhism, Jainism, Sikhism and others. Although there is no direct single-word translation for '' ...
,
karma Karma (; sa, कर्म}, ; pi, kamma, italic=yes) in Sanskrit means an action, work, or deed, and its effect or consequences. In Indian religions, the term more specifically refers to a principle of cause and effect, often descriptivel ...
,
reincarnation Reincarnation, also known as rebirth or transmigration, is the philosophical or religious concept that the non-physical essence of a living being begins a new life in a different physical form or body after biological death. Resurrection is a ...
among others. They are of the most influence across the
Indian subcontinent The Indian subcontinent is a list of the physiographic regions of the world, physiographical region in United Nations geoscheme for Asia#Southern Asia, Southern Asia. It is situated on the Indian Plate, projecting southwards into the Indian O ...
, East Asia, Southeast Asia, as well as isolated parts of Russia. The main Indian religions are
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 ...
,
Jainism Jainism ( ), also known as Jain Dharma, is an Indian religions, Indian religion. Jainism traces its spiritual ideas and history through the succession of twenty-four tirthankaras (supreme preachers of ''Dharma''), with the first in the current ...
,
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 ...
and
Sikhism Sikhism (), also known as Sikhi ( pa, ਸਿੱਖੀ ', , from pa, ਸਿੱਖ, lit=disciple', 'seeker', or 'learner, translit=Sikh, label=none),''Sikhism'' (commonly known as ''Sikhī'') originated from the word ''Sikh'', which comes fro ...
. **
East Asian religions In the study of comparative religion, the East Asian religions or Taoic religions, form a subset of the Eastern religions. This group includes Chinese religion overall, which further includes Ancestral Worship, Chinese folk religion, Confuciani ...
consist of several East Asian religions which make use of the concept of ''
Tao ''Tao'' or ''Dao'' is the natural order of the universe, whose character one's intuition must discern to realize the potential for individual wisdom, as conceived in the context of East Asian philosophy, East Asian religions, or any other phil ...
'' (in Chinese), '' Đạo'' (in Vietnamese) or '' '' (in Japanese or Korean). They include many
Chinese folk religion Chinese folk religion, also known as Chinese popular religion comprehends a range of traditional religious practices of Han Chinese, including the Chinese diaspora. Vivienne Wee described it as "an empty bowl, which can variously be filled ...
s,
Taoism Taoism (, ) or Daoism () refers to either a school of Philosophy, philosophical thought (道家; ''daojia'') or to a religion (道教; ''daojiao''), both of which share ideas and concepts of China, Chinese origin and emphasize living in harmo ...
and
Confucianism Confucianism, also known as Ruism or Ru classicism, is a system of thought and behavior originating in ancient China. Variously described as tradition, a philosophy, a religion, a humanistic or rationalistic religion, a way of governing, or ...
, as well as
Vietnamese Vietnamese may refer to: * Something of, from, or related to Vietnam, a country in Southeast Asia ** A citizen of Vietnam. See Demographics of Vietnam. * Vietnamese people, or Kinh people, a Southeast Asian ethnic group native to Vietnam ** Overse ...
,
Korean Korean may refer to: People and culture * Koreans, ethnic group originating in the Korean Peninsula * Korean cuisine * Korean culture * Korean language **Korean alphabet, known as Hangul or Chosŏn'gŭl **Korean dialects and the Jeju language ** ...
and
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 ...
religions, which are influenced by Chinese religious thought. * Indigenous
ethnic religion In religious studies, an ethnic religion is a religion or belief associated with a particular ethnic group. Ethnic religions are often distinguished from universal religions, such as Christianity or Islam, in which gaining converts is a pri ...
s, found on every continent, now marginalized by the major organized faiths in many parts of the world or persisting as undercurrents (
folk religion In religious studies and folkloristics, folk religion, popular religion, traditional religion or vernacular religion comprises various forms and expressions of religion that are distinct from the official doctrines and practices of organized re ...
s) of major religions. Includes traditional African religions, Asian
shamanism Shamanism is a religious practice that involves a practitioner (shaman) interacting with what they believe to be a Spirit world (Spiritualism), spirit world through Altered state of consciousness, altered states of consciousness, such as tranc ...
, Native American religions, Austronesian and
Australian Aboriginal Aboriginal Australians are the various Indigenous peoples of the Australian mainland and many of its islands, such as Tasmania, Fraser Island, Hinchinbrook Island, the Tiwi Islands, and Groote Eylandt, but excluding the Torres Strait I ...
traditions,
Chinese folk religion Chinese folk religion, also known as Chinese popular religion comprehends a range of traditional religious practices of Han Chinese, including the Chinese diaspora. Vivienne Wee described it as "an empty bowl, which can variously be filled ...
s, and postwar
Shinto Shinto () is a religion from Japan. Classified as an East Asian religion by scholars of religion, its practitioners often regard it as Japan's indigenous religion and as a nature religion. Scholars sometimes call its practitioners ''Shintois ...
. Under more traditional listings, this has been referred to as "
paganism Paganism (from classical Latin ''pāgānus'' "rural", "rustic", later "civilian") is a term first used in the fourth century by early Christianity, early Christians for people in the Roman Empire who practiced polytheism, or ethnic religions ot ...
" along with historical polytheism. ** African religions: *** The religions of the tribal peoples of Sub-Saharan Africa, but excluding
ancient Egyptian religion Ancient Egyptian religion was a complex system of polytheistic beliefs and rituals that formed an integral part of ancient Egyptian culture. It centered on the Egyptians' interactions with many deities believed to be present in, and in control ...
, which is considered to belong to the ancient Middle East; *** African diasporic religions practiced in the
Americas The Americas, which are sometimes collectively called America, are a landmass comprising the totality of North and South America. The Americas make up most of the land in Earth's Western Hemisphere and comprise the New World. Along with th ...
, imported as a result of the
Atlantic slave trade The Atlantic slave trade, transatlantic slave trade, or Euro-American slave trade involved the transportation by slave traders of enslaved African people, mainly to the Americas. The slave trade regularly used the triangular trade route and i ...
of the 16th to 18th centuries, building on traditional religions of Central and West Africa. *
New religious movement A new religious movement (NRM), also known as alternative spirituality or a new religion, is a religious or spiritual group that has modern origins and is peripheral to its society's dominant religious culture. NRMs can be novel in origin or th ...
is the term applied to any religious faith which has emerged since the 19th century, often syncretizing, re-interpreting or reviving aspects of older traditions such as Ayyavazhi,
Mormonism Mormonism is the religious tradition and theology of the Latter Day Saint movement of Restorationist Christianity started by Joseph Smith in Western New York in the 1820s and 1830s. As a label, Mormonism has been applied to various aspects of ...
,
Ahmadiyya Ahmadiyya (, ), officially the Ahmadiyya Muslim Community or the Ahmadiyya Muslim Jama'at (AMJ, ar, الجماعة الإسلامية الأحمدية, al-Jamāʿah al-Islāmīyah al-Aḥmadīyah; ur, , translit=Jamā'at Aḥmadiyyah Musl ...
,
Pentecostalism Pentecostalism or classical Pentecostalism is a Protestant Charismatic Christian movement
,
polytheistic reconstructionism Polytheistic reconstructionism (or simply Reconstructionism) is an approach to modern paganism first emerging in the late 1960s to early 1970s, which gathered momentum starting in the 1990s. Reconstructionism attempts to re-establish genuine poly ...
, and so forth.


Religious demographics

One way to define a major religion is by the number of current adherents. The population numbers by religion are computed by a combination of census reports and population surveys (in countries where religion data is not collected in census, for example the United States or France), but results can vary widely depending on the way questions are phrased, the definitions of religion used and the bias of the agencies or organizations conducting the survey. Informal or unorganized religions are especially difficult to count. There is no consensus among researchers as to the best methodology for determining the religiosity profile of the world's population. A number of fundamental aspects are unresolved: * Whether to count "historically predominant religious culture * Whether to count only those who actively "practice" a particular religion * Whether to count based on a concept of "adherence" * Whether to count only those who expressly self-identify with a particular denomination * Whether to count only adults, or to include children as well. * Whether to rely only on official government-provided statistics * Whether to use multiple sources and ranges or single "best source(s)"


Largest religious groups


Medium-sized religions


By region

*Religions by country according to The World Factbook – CIA * Religion by region *
Religion in Africa Religion in Africa is multifaceted and has been a major influence on African art, art, Culture of Africa, culture and African philosophy, philosophy. Today, the continent's various populations and individuals are mostly adherents of Christianity i ...
*
Religion in Antarctica Religion in Antarctica is largely dominated by Christianity, with Christian buildings being the only religious buildings on the continent. Although used regularly for Christian worship, the Chapel of the Snows has also been used for Buddhist a ...
*
Religion in Asia Asia is the largest and most populous continent and the birthplace of many religions including Buddhism, Christianity, Confucianism, Hinduism, Islam, Jainism, Judaism, Shinto, Sikhism, Taoism, and Zoroastrianism. All major religious tradition ...
**
Religion in the Middle East All three major Abrahamic religions (Judaism, Christianity, and, Islam) originated from the Middle East and are present in the Middle East. Islam is the most prevalent religion in the contemporary Middle East. Smaller minority religions, such as ...
**
Muslim world The terms Muslim world and Islamic world commonly refer to the Islamic community, which is also known as the Ummah. This consists of all those who adhere to the religious beliefs and laws of Islam or to societies in which Islam is practiced. I ...
(SW Asia and N Africa) *
Religion in Europe Religion in Europe has been a major influence on today's society, art, culture, philosophy and law. The largest religion in Europe is Christianity, but irreligion and practical secularisation are strong. Three countries in Southeastern Europe ...
**
Religion in the European Union Religion in the European Union is diverse. The largest religion in the EU is Christianity, which accounted for 72.8% of EU population . Smaller groups include those of Islam, Buddhism, Judaism, Hinduism, and some East Asian religion ...
**
Christian world Christendom historically refers to the Christian states, Christian-majority countries and the countries in which Christianity dominates, prevails,SeMerriam-Webster.com : dictionary, "Christendom"/ref> or is culturally or historically intertwin ...
*
Religion in North America Religion in North America is dominated by various branches of Christianity and spans the period of Native American dwelling, European settlement, and the present day. Religion has been a major influence on art, culture, philosophy and law ...
*
Religion in Oceania Christianity is the dominant religion in Oceania. This article gives an outline of various religions in Oceania in 2010 according to a 2012 Pew Research Center report. Religious distribution Hyponyms *Religion in Australia *Religion in New Zeala ...
* Religion in South America


Trends in adherence


Maps of self-reported adherence


See also

*
Irreligion Irreligion or nonreligion is the absence or rejection of religion, or indifference to it. Irreligion takes many forms, ranging from the casual and unaware to full-fledged philosophies such as atheism and agnosticism, secular humanism and a ...
* List of religions and spiritual traditions *
List of religious populations This is a list of religious populations by number of adherents and countries. Adherents in 2020 Notes By proportion Christians Countries and territories with the greatest proportion of Christians from Christianity by country, : # 100 ...
*
Numinous Numinous () is a term derived from the Latin ''numen'', meaning "arousing spiritual or religious emotion; mysterious or awe-inspiring."Collins English Dictionary -7th ed. - 2005 The term was given its present sense by the German theologian and ph ...
*
Religious conversion Religious conversion is the adoption of a set of beliefs identified with one particular religious denomination to the exclusion of others. Thus "religious conversion" would describe the abandoning of adherence to one denomination and affiliatin ...
*
State religion A state religion (also called religious state or official religion) is a religion or creed officially endorsed by a sovereign state. A state with an official religion (also known as confessional state), while not secular state, secular, is not n ...


Notes


References


Sources

* * * *


External links


Animated history of World Religions
from the "Religion & Ethics" part of the BBC website, interactive animated view of the spread of world religions (requires Flash plug-in).
BBC A-Z of Religions and Beliefs

Major World Religions

International Council for Inter-Religious Cooperation
{{DEFAULTSORT:Major Religious Groups Religion-related lists Religious demographics eo:Religio#Listo de religioj laŭ grandeco