Which countries have the most – and fewest – public holidays?
Across 190 members of the United Nations we analyzed, the typical country will observe 13 public holidays in 2026.
Publications
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Religious Diversity Around the World
Singapore is the most religiously diverse country, and Yemen the least, as of 2020. The U.S. ranks first among nations with large populations.
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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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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.
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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.
