Striking findings from 2025
Here’s a look back at 2025 through 12 of our most striking research findings.
Religious Demographics
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Religious Demographics
Publications
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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.
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The number of Christian-majority countries fell between 2010 and 2020
Countries that lost their Christian majorities all saw growing percentages of religiously unaffiliated people.
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Globally, 1 in 10 adults under 55 have left their childhood religion
The share of people who retain their childhood religious identity in adulthood varies across religious categories.
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Spirituality and Religion: How Does the U.S. Compare With Other Countries?
Explore how adults in the U.S. and 35 other countries compare religiously and spiritually when it comes to affiliation, prayer, afterlife beliefs and more.
