Tunisia: Breakdown of Religions  · Global Voices
Amira Al Hussaini

From Tunisia Subzero Blue gives us a break down of the adherents of different religions.
“The following is the list of the world's major religions ranked by the number of believers adherent to them: 1. Christianity: 2.1 billion, 2. Islam: 1.3 billion, 3. Secular/Nonreligious/ Agnostic/Atheist: 1.1 billion, 4. Hinduism: 900 million, 5. Chinese traditional religion: 394 million,
6. Buddhism: 376 million, 7. primal-indigenous: 300 million, 8. African Traditional & Diasporic: 100 million, 9. Sikhism: 23 million, 10. Juche: 19 million, 11. Spiritism: 15 million, 12. Judaism: 14 million,
13. Baha'i: 7 million, 14. Jainism: 4.2 million, 15. Shinto: 4 million, 16. Cao Dai: 4 million, 17. Zoroastrianism: 2.6 million, 18. Tenrikyo: 2 million, 19. Neo-Paganism: 1 million, 20. Unitarian-Universalism: 800 thousand, 21. Rastafarianism: 600 thousand and 22. Scientology: 500 thousand.”