What religons are there?

Christianity: 2.1 billion

Islam: 1.3 billion

Secular/Nonreligious/Agnostic/Atheist: 1.1 billion

Hinduism: 900 million

Chinese traditional religion: 394 million

Buddhism: 376 million

primal-indigenous: 300 million

African Traditional & Diasporic: 100 million

Sikhism: 23 million

Juche: 19 million

Spiritism: 15 million

Judaism: 14 million

Baha'i: 7 million

Jainism: 4.2 million

Shinto: 4 million

Cao Dai: 4 million

Zoroastrianism: 2.6 million

Tenrikyo: 2 million

Neo-Paganism: 1 million

Unitarian-Universalism: 800 thousand

Rastafarianism: 600 thousand

Scientology: 500 thousand

A major source for these estimates is the detailed country-by-country analysis done by David B. Barrett's religious statistics organization, whose data are published in the Encyclopedia Britannica (including annual updates and yearbooks) and also in the World Christian Encyclopedia (the latest edition of which - published in 2001 - has been consulted). Hundreds of additional sources providing more thorough and detailed research about individual religious groups have also been consulted.

This listing is not a comprehensive list of all religions, only the "major" ones (as defined below).

English: Title page of the Americanized Encycloped...

Inside the Tay Ninh Holy See

Cao Dai temple in My Tho, Mekong Delta, Vietnam

There are distinct religions other than the ones listed above. But this list accounts for the religions of over 98% of the world's population. Below are listed some religions which are not in this listing (Mandeans, PL Kyodan, Ch'ondogyo, Vodoun, New Age, Seicho-No-Ie, Falun Dafa/Falun Gong, Taoism, Roma), along with explanations for why they do not qualify as "major world religions" on this list.

This world religions listing is derived from the statistics data in the Adherents.com database. The list was created by the same people who collected and organized this database, in consultation with university professors of comparative religions and scholars from different religions. We invite additional input. The Adherents.com collection of religious adherent statistics now has over 43,000 adherent statistic citations, for over 4,300 different faith groups, covering all countries of the world. This is not an...