Some of the most populous nations are set to remain, while others face decline.

There is one birth every 9 seconds and one death every 11 seconds. As of July 1, 2025, the world population stands at an estimated 8.12 billion people, with a new person added approximately every 16 ...

Christians are the world’s largest religious group, and they are a majority in every region except the Asia-Pacific and Middle East-North Africa regions. But they are shrinking as a share of the ...

Half of the world’s population lives in just seven countries. But some of the world’s religious groups are even more ...