Global study finds Christian decline, especially in high-income countries. Around the world, millions of people have traded the religious traditions of their upbringing for no religion at all. In ...

Christians, the world's largest religious group, have one of the lowest global retention rates among major religions, a new report has found. A Pew Research Center report published last Thursday found ...

Across the world, religions appear very different on the surface. They use different names for God, different rituals, and ...