15. Why we revised our estimates for 2010
Read how Pew Research Center revised our estimates to reflect methodological advances, incorporate newly available data, and allow comparison across measures in this report.
Numbers, Facts and Trends Shaping Your World
Despite growth in the share of people who are not religiously affiliated, religion continues to have significant consequences for American society and politics. As a result, we take great care in how we measure religious affiliation and related attitudes and behaviors. The decline of religion in the United States and many other Western democracies is […]
The Chinese Communist Party (CCP) is officially atheist, and its members are not permitted to join any religion. The party’s attitude aligns with the Marxist view that religion is a temporary historical phenomenon that will disappear as societies advance. Although this stance has not changed in the seven decades since the state’s founding, policies on […]