Top World Religions 2025. The demographic projections within this report are based on the current size and geographic distribution of the world’s major religions, as well as age differences, fertility and. Below are the main takeaways of global religious and economic change, ordered by the projected size of religious groups in 2050.

It provides source material, including censuses and surveys, as well as. The world religion database (wrd) contains detailed statistics on religious affiliation for every country of the world.