2. Christian population change
Christians remain the largest religious group. But they’re shrinking as a share of the global population, as many Christians are leaving religion altogether.
Numbers, Facts and Trends Shaping Your World
Christians remain the largest religious group. But they’re shrinking as a share of the global population, as many Christians are leaving religion altogether.
Pew Research Center is a subsidiary of The Pew Charitable Trusts, its primary funder. This report is a collaborative effort based on the input and analysis of the following individuals. Find related reports online at pewresearch.org/religion. This report includes new analysis of data from the 2023-24 U.S. Religious Landscape Study. The RLS was made possible […]
By some measures, the world’s most religious countries are mostly in the Middle East, South and Southeast Asia, sub-Saharan Africa and Latin America.
Read how Pew Research Center revised our estimates to reflect methodological advances, incorporate newly available data, and allow comparison across measures in this report.
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Read about how adults’ average number of kids vary by religious group, and how many parents pray with their kids, opt for a religious education and more. Religious Landscape Study by Pew Research Center.
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.
Explore how adults in the U.S. and 35 other countries compare religiously and spiritually when it comes to affiliation, prayer, afterlife beliefs and more.
Across religious groups, majorities see America’s openness to others as essential to national identity. But views on rising immigration are more mixed. Religious Landscape Study by Pew Research Center.
Catholics remain the largest religious group in Argentina, Brazil, Chile, Colombia, Mexico and Peru, while second-largest groups vary.
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