Read about where Christianity has had the largest net losses, and how those who've left Christianity now identify religiously ...

In many places surveyed, 20% or more of all adults have left their childhood religious group. Christianity and Buddhism have ...

Read about where religiously unaffiliated populations have had the largest net gains, and how those who've joined the "nones" ...

Find out what percentage of adults have joined or left Islam, or remained Muslim since childhood, in 13 countries. Pew ...

Find out what percentage of adults have joined or left Judaism, or remained Jewish since childhood, in the U.S. and Israel.

Find out what percentage of adults have joined or left Buddhism, or remained Buddhist since childhood, in six countries. Pew ...

Find out what percentage of adults have joined or left Hinduism, or remained Hindu since childhood, in four countries. Pew ...

But switching groups within Judaism is far more common. Some switch to a group that is more religiously observant – for ...

Surveys in about three dozen countries compiled by the Pew Research Center found that most Christians who are raised in the ...

Christianity in China has stopped growing since 2010, according to an academic paper. "In 19 nationally representative ...