World Religion Statistics 2024. About pew research center pew research center is a nonpartisan, nonadvocacy fact tank that informs the public about the issues, attitudes and trends shaping the world.it does not take policy positions. The world religion database (wrd) contains detailed statistics on religious affiliation for every country of the world.

The world religion database (wrd) contains detailed statistics on religious affiliation for every country of the world. According to a demographic study based on analysis of more than 3,000 censuses, surveys, and population registers, christianity remains the world’s largest religion, with approximately 2.2 billion followers, comprising 32.