Search results for: “religion”

Christians remain the largest religious group. But they’re shrinking as a share of the global population, as many Christians are leaving religion altogether.

Buddhism is the only major religion that declined in number globally between 2010 and 2020, mostly due to religious disaffiliation in East Asia and to low birth rates.

Read how Pew Research Center revised our estimates to reflect methodological advances, incorporate newly available data, and allow comparison across measures in this report.