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
From 2010 to 2020, the number of Muslims increased by 347 million people to 2.0 billion people.
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.
We ran a survey experiment on religious tolerance in Australia to examine whether respondents’ answers capture a general distaste for religion rather than intolerance for particular religious groups.
We asked people in three dozen countries how they see religion’s role in society, government and national identity.
The globe’s 280 million immigrants shape countries’ religious composition. Christians make up the largest share, but Jews are most likely to have migrated.
People in sub-Saharan Africa are typically among the most likely to say that religion is very important in their lives.
In many places surveyed, 20% or more of all adults have left their childhood religious group. Christianity and Buddhism have had especially large losses.
Majorities in most of the 27 places around the world surveyed in 2023 and 2024 say abortion should be legal in all or most cases.
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.
In 2021, government restrictions on religion – laws, policies and actions by state officials that limit religious beliefs and practices – reached a new peak globally. Harassment of religious groups and interference in worship were two of the most common forms of government restrictions worldwide that year.
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