Religion – Estimated number
1. Christian – 2.1 billion
2. Islam – 1.5 billion
3. Agnostic – 1.1 billion
4. Hindu – 1 billion
5. Chinese traditional – 400 million
6. Buddhist – 380 million
7. Indigenous – 300 million
8. African traditional – 100 million
9. Sikh – 25 million
10. Juche – 20 million
Of Christians, 1.1 billion are Catholic
Of Muslims, 1 billion are Sunni
View Comments to “10 largest religions”
hmmm… helpful information. This site is also good for general knowledge :D