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

A new study has found that in many countries around the world 20 percent or more of all adults have left their childhood ...

In many countries around the world, a fifth or more of adults have left the religious group in which they were raised.

The countries have a variety of historically predominant religions, including Buddhism, Christianity, Hinduism, Islam and Judaism. For non-U.S. data, this analysis draws on nationally representative ...

NATHAN: Christianity is the world's biggest religion. There are over two billion ... When they have seen the clip, they can list the four places they would choose, say what Nathan might think ...