Catholicism Has Declined in Latin America Over the Past Decade
Growing numbers of Latin Americans are religiously unaffiliated, but belief in God remains high across the region.
Numbers, Facts and Trends Shaping Your World
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Search results for: “christianism”
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Appendix: Detailed tables
Americans’ views on the morality of married people having an affair % who say married people having an affair is … Note: Figures may not add to 100% or to subtotals indicated due to rounding.Source: Survey of U.S. adults conducted March 24-30, 2025.“What Do Americans Consider Immoral?” PEW RESEARCH CENTER Americans’ views on the morality […]
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Around the World, Many People Are Leaving Their Childhood Religions
In many places surveyed, 20% or more of all adults have left their childhood religious group. Christianity and Buddhism have had especially large losses.
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Islam was the world’s fastest-growing religion from 2010 to 2020
From 2010 to 2020, the number of Muslims increased by 347 million people to 2.0 billion people.
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3. Christianity’s place in politics, and ‘Christian nationalism’
Most Americans support the separation of church and state. Still, half think the Bible should have at least some influence in US laws.
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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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22. Religion’s role in public life
Read more about Americans’ views about religious organizations and their effects on society, as well as the separation of church and state. Religious Landscape Study by Pew Research Center.
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Religion Holds Steady in America
Analysis of our polls and other data shows no clear evidence of a religious revival among young adults. Read more about religiousness by age and gender.
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1. Religious identity
Christians’ share among U.S. adults has fallen across demographic groups since 2007, but there has been overall stability in religious makeup since 2020. Religious Landscape Study by Pew Research Center.
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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.
