If the U.S. had 100 people: Charting Americans’ religious beliefs and practices
See a profile of American religious beliefs and practices if the country were made up of exactly 100 adults.
Religion
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Has there been a Christian revival among young adults in the U.K.? Recent surveys may be misleading
Despite the widely recognized decline of Christianity in the U.K., there have been persistent rumblings of a Christian resurgence.
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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.
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Why Do Some Americans Leave Their Religion While Others Stay?
A majority of adults still identify with their childhood religion, but 35% don’t. Read about when and why Americans may switch faiths or stay.
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Striking findings from 2025
Here’s a look back at 2025 through 12 of our most striking research findings.
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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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Many religions are heavily concentrated in a few countries
Half of the world’s population lives in just seven countries. But some of the world’s religious groups are even more concentrated than that.
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Key facts about Black Americans and religion
Most Black Americans are Christian, though the share who identify as such has fallen since 2007.
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Religiousness varies a lot by race among Democrats, relatively little among Republicans
In general, U.S. adults who are Republican or lean toward the GOP are more religious than Democrats and Democratic leaners.
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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.
