Religions of the world with the most adherents as reported by the World Christian Database.

Complete List

Ranking	Religion	Adherents	Percent
1	Christians	2,135,782,815	33.1
2	Muslims	1,313,983,654	20.4
3	Hindus	870,047,346	13.5
4	Non-Religious	768,598,424	11.9
5	Chinese Universists	404,922,244	6.3
6	Buddhists	378,809,103	5.9
7	Ethno-Religionists	256,340,652	4.0
8	Atheists	151,548,030	2.4
9	Sikhs	25,373,879	0.4
10	Jews	15,145,702	0.2
11	Spiritists	13,030,538	0.2
12	Bahai's	7,614,998	0.1
13	Confucianists	6,470,714	0.1
14	Jains	4,588,432	0.1
15	Shintoists	2,789,098	0.0
15	Taoists	2,733,859	0.0
15	Zoroastrians	2,647,523	0.0

Source

The data presented in QuickLists are from a variety of sources including the U.S. Census Bureau's International Data Base, the U.S. State Department's International Religious Freedom Report, the United Nations Human Development Reports, and others.

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