The Top Ten: Organized Religions of the World

Updated February 28, 2017 | Infoplease Staff
Top World Religions

Statistics of the world's religions are only very rough approximations. Aside from Christianity, few religions, if any, attempt to keep statistical records; and even Protestants and Catholics employ different methods of counting members.


1.Christianity2.3 billion
2.Islam1.8 billion
3.Unaffiliated1.2 billion
4.Hinduism1.1 billion
5.Buddhism500 million
6.Folk religions400 million
7.Other religions100 million
8.Judaism10 million

NOTE: Numbers from 2015 via the Pew Research Center


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