(Size
shown are approximate estimates,
and
are here mainly for the purpose of ordering the groups, not providing a
definitive number. This list is sociological/statistical in perspective.)
| 1-
Christianity (2
billion) |
33% |
| 2-
Islam (1.2
billion) |
18% |
| 3-
Hinduism (900
million) |
16% |
| 4-
Secular/Nonreligious/Agnostic/Atheist
(900 million) |
16% |
| 5-
Buddhism (350
million) |
6% |
| 6-
Chinese traditional religion (225
million) |
4% |
| 7-
primal-indigenous
(190 million) |
4% |
| 8-
Yoruba religion (west
Africa)
(20 million) |
|
| 9-
Juche (North
Korea)
(19 million) |
|
| 10-
Sikhism (18 million) |
|
| 11-
Judaism (15 million) |
|
| 12- Spiritism (14 million) | |
| 13-
Babi & Baha'i faiths (6 million) |
|
| 14-
Jainism (India)
(4 million) |
|
| 15-
Shinto (Japan)
(4 million) |
|
| 16-
Cao Dai (Vietnam)
(3 million) |
|
| 17-
Tenrikyo (Japan)
(2.4 million) |
|
| 18-
Neo-Paganism (1 million) |
|
| 19-
Unitarian-Universalism(800 thousand) |
|
| 20-
Scientology (750 thousand) |
|
| 21-
Rastafarianism (Jamaica)
(700,000) |
|
| 22-
Zoroastrianism (150 thousand) |

From: Adherent.com