Together, these three dozen countries are home to about 4 billion people – roughly half of the world’s population. Although we were not able to conduct surveys in China or many Muslim-majority nations ...

In many countries around the world, a fifth or more of all adults have left the religious group in which they were raised. Christianity and Buddhism have experienced especially large losses from this ...

A new map has revealed the most common religion in every African country, showing a clear divide between Christianity and Islam across the world's second largest continent.The map, shared on ...