World Religion

 

1. Christianity: Approximately 2.38 billion adherents (31% of the global population).
2. Islam: Around 1.91 billion followers (24.9%).
3. Secular/Nonreligious/Agnostic/Atheist: About 1.19 billion people (15.6%).
4. Hinduism: Approximately 1.16 billion adherents (15.2%).
5. Buddhism: Around 506 million followers (6.6%).
6. Chinese traditional religion: About 394 million adherents (5.6%).
7. Ethnic religions (excluding some in separate categories): Approximately 300 million adherents (3%).
8. African traditional religions: Around 100 million followers (1.2%).
9. Sikhism: Approximately 26 million adherents (0.3%).
10. Spiritism, Judaism, and other smaller religions make up the remaining percentages.