Executive summary
Read key findings about trends in Americans’ religious beliefs and practices in the 2023-24 Religious Landscape Study’s executive summary. Pew Research Center.
Numbers, Facts and Trends Shaping Your World
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Faith on the Hill
Christians will make up 87% of voting members in the Senate and House of Representatives, combined, in the 2025-27 congressional session.
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1. Religious affiliation in Latin America
Catholics remain the largest religious group in Argentina, Brazil, Chile, Colombia, Mexico and Peru, while second-largest groups vary.
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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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16. Religion and views on LGBTQ issues and abortion
Read more about how U.S. religious groups see abortion and same-sex marriage, as well as society’s acceptance of homosexuality and transgender people. Religious Landscape Study by Pew Research Center.
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4. Religiously unaffiliated population change
The religiously unaffiliated population is the world’s third-largest religious category and grew the second-fastest between 2010 and 2020.
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3. How important is following a specific religion to national belonging?
Across the 36 countries surveyed, people’s views on the importance of religion to national identity vary widely. Large shares in middle-income countries say being a member of the historically predominant religion in their country is very important to truly sharing the national identity – for example, to being truly Filipino or truly Nigerian. In high-income […]
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5 facts about Muslims and Christians in Indonesia
Indonesia is about 87% Muslim and 11% Christian. Roughly 242 million Muslims and 29 million Christians live in Indonesia.
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17. Religion and views on gender, parenting and workforce participation
Majorities say more women in the workforce is a good thing. Read more about religious groups’ views on gender in the labor force, and stay-at-home parents. Religious Landscape Study by Pew Research Center.
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1. Factors driving religious change, 2010-2020
Read how demographic factors – age composition, life expectancy and fertility rates – and religious switching changed the global religious landscape.
