In its landmark study of American Jewry in 2020, the Pew Research Center reported that there were an estimated 7.5 million Jews of all ages in the United States. Now, in a new study released Monday, ...

(RNS) — A new Pew Research Center study measuring the evolution of the global religious population shows Muslims are the fastest-growing faith group, followed by the religiously unaffiliated. Though ...

Only a few decades ago, a Christian identity was so common among Americans that it could almost be taken for granted. As recently as the early 1990s, about 90% of U.S. adults identified as Christians.

On a global level, religious groups expand and shrink due to a mix of factors. Demographic factors, such as age structure, fertility and mortality (or life expectancy), tell us whether people in ...

The United Nation's latest global population projection predicts there will be 8 billion people on the planet by November this year, and 8.5 billion by 2050. Unfortunately, Central and Southern Asia ...