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.
Numbers, Facts and Trends Shaping Your World
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Religious Demographics
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Religious Demographics
Publications
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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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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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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.
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5 facts about religion in Nigeria
As of 2020, Muslims made up a majority of Nigeria’s total population (56.1%), while Christians made up 43.4%.
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Many Religious ‘Nones’ Around the World Hold Spiritual Beliefs
Many religious “nones,” which include atheists and agnostics, in 22 countries hold religious or spiritual beliefs, such as in an afterlife or something beyond the natural world.
