1. What do religious ‘nones’ believe?
Many religious “nones,” which include atheists and agnostics, hold religious and spiritual beliefs in the 22 countries studied. Read about belief in spirits and God, as well as differences by gender.
Numbers, Facts and Trends Shaping Your World
Read our research on:
Search results for: “religion”
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3. Identifying with a religion because of culture, ethnicity or family background
Identifying with a group for reasons “aside from religion” – such as ethnically, culturally, or because of family background – is somewhat rare. Religious Landscape Study by Pew Research Center.
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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.
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If the U.S. had 100 people: Charting Americans’ religious affiliations
If the U.S. had 100 people, 62 would be Christians, including 40 Protestants, 19 Catholics, two Latter-day Saints and two who identify with other Christian groups.
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Acknowledgments
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. Primary researchers Jonathan Evans, Senior ResearcherManolo Corichi, Research Analyst Research team Becka A. Alper, Senior ResearcherJulia Armeli, Research AssistantLaura […]
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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.
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6. Buddhist population change
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.
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Acknowledgments
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 (RLS). The RLS was made […]
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5. Religious importance and religious affiliation
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.
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Spirituality and Religion: How Does the U.S. Compare With Other Countries?
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.