Buddhism’s Recent Decline in East Asia
Buddhism is the only major religion whose global population shrank between 2010 and 2020. Learn why it declined in East Asia, particularly in Japan and South Korea.
Numbers, Facts and Trends Shaping Your World
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Southerners tend to be more religious than other U.S. adults – but less religious than they used to be
People who live in the American South continue to be more religious, on average, than residents of the Midwest, Northeast and West.
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Which U.S. religious groups are most highly educated?
Hindus and Jews are much more likely to have a four-year college degree than Americans in other religious groups.
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White evangelicals remain among Trump’s strongest supporters, but they’re less supportive than a year ago
There has been an 8-percentage point drop since early 2025 in the share of White evangelicals who support all or most of Trump’s plans and policies.
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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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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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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.
