World Population 2024 By Religion. If current trends continue christians will remain the largest religious group by 2060 (32 percent of the world's population), but islam will experience the fastest growth, with an. A comprehensive demographic study of more than 230 countries and territories conducted by the pew research center’s forum on religion & public life estimates that there.

Differing fertility rates and other demographic data are factored into our population growth projections for the world’s major religious groups, which forecast that the percentage of the global population that is religiously. 231 rows world population by religion.