Striking findings from 2025
Here’s a look back at 2025 through 12 of our most striking research findings.
Global Religious Demographics
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Global Religious Demographics
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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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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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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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4 facts about religion and diversity in Taiwan
Buddhists, the religiously unaffiliated and Daoists each make up about a quarter of Taiwan’s adult population.
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Key Findings From the Global Religious Futures Project
The Global Religious Futures (GRF) project is jointly funded by The Pew Charitable Trusts and The John Templeton Foundation. Here are some big-picture findings from the GRF, together with context from other Pew Research Center studies.
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Key findings: How living arrangements vary by religious affiliation around the world
Globally, Muslims live in the biggest households, followed by Hindus, Christians, Buddhists, Jews and the religiously unaffiliated.
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5 facts about religion in Canada
A declining share of Canadians identify as Christians. Most Canadians say religion’s influence in public life is waning in their country.
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5 facts about religion in India
India is home to 1.4 billion people – almost one-sixth of the world’s population – who belong to a variety of ethnicities and religions. While 94% of the world’s Hindus live in India, there also are substantial populations of Muslims, Christians, Sikhs, Buddhists, Jains and adherents of folk religions. Here are five facts about religion in India.
