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.
Numbers, Facts and Trends Shaping Your World
Yunping Tong
Senior Researcher
Yunping Tong is a research associate at Pew Research Center specializing in international religious demography.
Publications
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report
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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feature
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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short reads
5 facts about Confucianism
As millions celebrate Confucius’ birthday, here are key facts about Confucianism and how its beliefs and values shape public life for East Asians.
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report
The Religious Composition of the World’s Migrants
The globe’s 280 million immigrants shape countries’ religious composition. Christians make up the largest share, but Jews are most likely to have migrated.
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report
India’s Sex Ratio at Birth Begins To Normalize
India’s artificially wide ratio of baby boys to baby girls – which arose in the 1970s from the use of prenatal diagnostic technology to facilitate sex-selective abortions – now appears to be narrowing. Son bias has declined sharply among Sikhs, while Christians continue to have a natural balance of sons and daughters.
