Religious category  Number of followers  Cultural tradition  Main regions covered

المسيحية /Christianity	2,100,000,000 – 2,200,000,000[6][7]	Abrahamic religions	Predominant in the Western world (Europe, the Americas,Oceania), Sub-Saharan Africa and the Philippines. Minorities worldwide, see Christianity by country.
الإسلام /Islam	1,300,000,000 – 1,600,000,000[8][9]	Abrahamic religions	Middle East, Northern Africa, Central Asia, South Asia,Western Africa, Indian subcontinent, Malay Archipelago with large population centers existing in Eastern Africa, Balkan Peninsula, Russia and China.[10]|-
الهندوسية /Hinduism	950,000,000 – 1,400,000,000[11]	Indian religions	Indian subcontinent, Southeast Asia, Fiji, Guyana, Trinidad,Mauritius, Suriname, Bali, Australasia, Northern America,United Kingdom, France,Germany, Finland,Sweden, Swizerland and The Netherlands.
البوذية /Buddhism	250,000,000 – 500,000,000[12]	Indian religions	Indian subcontinent, Sri Lanka, East Asia, Indochina, regions of Russia and The Netherlands.
السيخية /Sikhism	20,000,000 - 30,000,000[13]	Indian religions	Indian subcontinent, Australasia, Northern America,Southeast Asia, the United Kingdom and Western Europe.
اليهودية /Judaism	12,000,000 – 18,000,000[14]	Abrahamic religions	Israel and Jewish diaspora (meaning mostly North America,South America, Europe, and Asia)
العقيدة البهائية /Bahá'í Faith	7,600,000[15] – 7,900,000[16]	Abrahamic religions/Iranian/Independent[17]	Noted for being dispersed worldwide[18][19] but the top ten populations (amounting to about 60% of the Bahá'í World Faith adherents) are (in order of size of community) India,United States, Vietnam, Kenya, DR of the Congo,Philippines, Zambia, South Africa, Iran, Bolivia[20]
اليانية /Jainism	6,000,000 – 12,000,000[21]	Indian religions	India, and East Africa
Cheondoism	3,000,000[22]	Korean	North Korea
Tenrikyo	2,000,000[23]	Japanese	Japan, Brazil
Cao Dai	1,000,000 - 3,000,000[24]	Vietnamese	Vietnam
Ahl-e Haqq	1,000,000[25]	Iranian	Iraq, Iran
Seicho-no-Ie	800,000[23]	Japanese	Japan
Yazidism	700,000[26]	Kurdish	mainly Iraq
Rastafari movement	700,000[27]	Abrahamic religions	c. Jamaica, Caribbean, Africa
Unitarian Universalism	630,000[28]	Western	United States, Europe
African traditionaland diasporicreligions	Millions[29]	Folk religions	Africa, Americas
Other folk religions	Millions[29]	Folk religions	India, Asia
Chinese folk religions includingTaoism andConfucianism	Varies[29]	China	China
Shinto	Varies[29]	Japanese	Japan
Non religionsincludingAgnosticism,Atheism andSecular	1,100,000,000[29]