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.
Religious Demographics
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Religious Demographics
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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.
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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.
