Over the last few thousand years, these religious groups have shaped the course ... these religions spread around the globe and forever molded the huge geographic regions in their paths.

Over the last few thousand years, these religious groups have shaped the course ... these religions spread around the globe and forever molded the huge geographic regions in their paths.

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

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