Not that many ^.-
1. Christianity: 2.1 billion, with major branches as follows: [f]
* See also the List of Christian denominations by number of members and List of Christian denominations pages (Non-denominational statistics are not shown.)
* Roman Catholic Church: 1.05 billion
* Eastern Orthodox Church: 240 million
* African Initiated Church: 110 million
* Pentecostalism: 105 million
* Reformed/Presbyterian/Congregational/United: 75 million
* Anglicanism/Episcopal Church: 73 million
* Baptist: 70 million
* Methodism: 70 million
* Lutheran: 64 million
* Spiritism: 15 million[f]
* Jehovah's Witnesses: 14.8 million
* Latter-day Saints: 12.5 million
* Seventh-day Adventist Church: 12 million
* Apostolic/New Apostolic: 10 million
* Restoration Movement: 5.4 million
* New Thought (Unity, Christian Science, etc.): 1.5 million
* Brethren (incl. Plymouth): 1.5 million
* Mennonite: 1.25 million
* Friends/Quakers: 300,000
2. Islam: 1.5 billion, with major branches as follows:[d]
* Sunni: 940 million
* Shia: 120 million
* Ahmadi: 10 million
* Druze: 450,000
3. Secular/irreligious/agnostic/atheist/antitheistic/antireligious: 1.1 billion
* Category includes a wide range of beliefs, without specifically adhering to a religion or sometimes specifically against dogmatic religions. The category includes humanism, deism, pantheism, rationalism, freethought, agnosticism and atheism. Broadly labeled humanism, this group of non religious people are third largest in the world. For more information, see the Adherents.com discussion of this category and the note below. [c]
4. Hinduism: 900 million, with major branches as follows:
* Vaishnavism: 580 million
* Shaivism: 220 million
* Neo-Hindus and Reform Hindus: 22 million
* Veerashaivas/Lingayats: 10 million
5. Chinese folk religion: 394 million
* Not a single organized religion, includes elements of Taoism, Confucianism, Buddhism and traditional nonscriptural religious observance (also called "Chinese traditional religion").
6. Buddhism: 376 million, with major branches as follows:
* Mahayana: 185 million
* Theravada: 124 million
* Vajrayana/Tibetan: 20 million
7. Primal indigenous (tribal religions): 300 million
* Not a single organized religion, includes a wide range of traditional or tribal religions, including animism, shamanism and paganism. Since African traditional and diasporic religions are counted separately in this list, most of the people counted in this group are in Asia.
8. African traditional and diasporic: 100 million
* Not a single organized religion, this includes several traditional African beliefs and philosophies such as those of the Yoruba, Ewe (Vodou) and the Bakongo. These three religious traditions (especially that of the Yoruba) have been very influential to the diasporic beliefs of the Americas such as Condomble, Santeria and voodoo. The religious capital of the Yoruba religion is at Ile Ife.
9. Sikhism: 23 million
10. Judaism: 14 million, with major branches as follows:
* Conservative: 4.5 million
* Unaffiliated and Secular: 4.5 million
* Reform: 3.75 million
* Orthodox: 2 million
* Reconstructionist: 150,000
11. Bahá'í Faith: 7 million
12. Jainism: 4.2 million, with significant branches as follows:
* Svetambara (White clad): 4,000,000
* Sthanakvasi: 750,000
* Digambar (Sky clad): 155,000
13. Shinto: 4 million
* This number states the number of actual self-identifying practising primary followers of Shinto. If everyone were included who is considered Shinto by some people due to ethnic or historical categorizations, the number would be considerably higher — as high as 100 million (according to the adherents.com source used for the statistics in this section).
14. Cao Dai: 4 million
15. Tenrikyo: 2 million
16. Neopaganism: 1 million
* A blanket term for several religions like Wicca, Asatru, Neo-druidism, and polytheistic reconstructionist religions
17. Unitarian Universalism: 800,000
18. Rastafari: 600,000
19. Scientology: 500,000
20. Zoroastrianism: 150,000-250,000,[11][12][13][14] as substantiated by the detailed discussion sections at adherents.com[15][16], although in its top-level overview list the same source provides a substantially different estimate.[e] The breakdown by major communities is as follows:
* In India (the Parsis): est. 65,000 (2001 India Census: 69,601); Estimate of Zoroastrians of Indian origin: 100,000-110,000.
* In Iran: est. 20,000 (1974 Iran Census: 21,400)
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