Striking findings from 2025
Here’s a look back at 2025 through 12 of our most striking research findings.
Numbers, Facts and Trends Shaping Your World
Read our research on:
Search results for: “christianism”
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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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2. Religious switching into and out of the religiously unaffiliated group
Read about where religiously unaffiliated populations have had the largest net gains, and how those who’ve joined the “nones” identified previously.
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6. Religion, fertility and child-rearing
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.
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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.
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Decline of Christianity in the U.S. Has Slowed, May Have Leveled Off
After years of decline, the U.S. Christian share now shows signs of leveling off. The new Religious Landscape Study explores trends in identity, beliefs and practices.
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7. Catholic connections
About three-in-ten are “cultural” or former Catholics, or have other ties to the faith. Read about these groups and why some say they left the religion.
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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.
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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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short reads
Many in middle-income countries are uncomfortable with hypothetically having a child who comes out as gay
On balance, people in middle-income countries are more likely to say they would be uncomfortable than comfortable if they had a child who came out as gay or lesbian.