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.
Numbers, Facts and Trends Shaping Your World
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Religious Demographics
Publications
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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.
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How U.S. Muslims compare with other Americans religiously and demographically
U.S. Muslims tend to be younger and more highly educated than other Americans. But they’re similar to Christians on many religiousness measures.
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Islam was the world’s fastest-growing religion from 2010 to 2020
From 2010 to 2020, the number of Muslims increased by 347 million people to 2.0 billion people.
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How the Global Religious Landscape Changed From 2010 to 2020
Christians remain the largest religious group, and Muslims grew the fastest from 2010 to 2020. Read how the global share of Buddhists, Hindus, Jews and the religiously unaffiliated changed.
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Religious Composition by Country, 2010-2020
Find how many people identify with each religious group and what percent each made up in 201 countries and territories, and by region, in 2010 and 2020.
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Believing in Spirits and Life After Death Is Common Around the World
Belief in an afterlife, God and spirits in nature is widespread globally. Older adults are more likely than younger adults to believe in God.
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4 facts about religious switching within Judaism in Israel
About one-fifth of Israeli Jews (22%) have switched from one Jewish group to another since childhood.
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Around the World, Many People Are Leaving Their Childhood Religions
In many places surveyed, 20% or more of all adults have left their childhood religious group. Christianity and Buddhism have had especially large losses.
