Around the world, millions of people have traded the religious traditions of their upbringing for no religion at all.

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

The world's population has now crossed 8 billion, and two religions have over 2 billion followers each. Islam has the largest number of followers, followed by Christianity. A recent report by the ...

Pew Research reveals a growing trend of religious disaffiliation worldwide, with significant declines in Christianity and ...

This tops the overall global population growth rate ... The unmatched growth of Islam as the world’s fastest-growing religion ...

In many of the world's countries, 20 percent or more of all adults have left the religious group in which they were raised, a ...

is an effort by Pew Research Center to understand religious change and its impact on societies around the world. It includes three main lines of research: a series of international surveys on religion ...

food safety and population. She has covered the persecution of religions in the global south, fertility and birth rate issues around the world, multiple disease outbreaks in the U.S. and ongoing ...