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.
Numbers, Facts and Trends Shaping Your World
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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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How Much Discrimination Do Americans Say Groups Face in the U.S.?
Republicans are less likely than in 2024 to say there is discrimination against Black, Hispanic, Asian and White people.
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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.
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Religious Landscape Study: Database
The Religious Landscape Study is a comprehensive survey of more than 35,000 Americans’ religious identities, beliefs and practices that’s been conducted in 2007, 2014 and 2023-24. Pew Research Center.
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Decline of Christianity in the U.S. Has Slowed, May Have Leveled Off
After years of decline, the U.S. Christian share now shows signs of leveling off. The new Religious Landscape Study explores trends in identity, beliefs and practices.
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Many around the globe say it’s important their leader stands up for people’s religious beliefs
Adults in Indonesia, Bangladesh and the Philippines are the most likely to say it is important to have a leader who stands up for people with their religious beliefs.
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How common is religious fasting in the United States?
In the United States, 21% of adults overall say they fast for certain periods during holy times.
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Rising Numbers of Americans Say Jews and Muslims Face a Lot of Discrimination
40% of U.S. adults say there’s a lot of discrimination against Jews in society, and 44% say there’s a lot of discrimination against Muslims.
