The Christian share of the U.S. population is declining, while the share of Americans who do not identify with any organized religion is growing. These changes affect all regions in the country and many demographic groups.
Explore the geographic distribution and demographics of America's major religious groups.
India is projected to have 310 million Muslims (11% of the global total), making it the country with the largest population of Muslims in the world.
Explore Religion and Religious Change Around the World
What will the world’s religious landscape look like a few decades from now?
As of 2010, nearly a third of the world's population identified as Christian. But if demographic trends persist, Islam will close the gap by the middle of the 21st century.
This week marks Diwali, the annual Hindu festival of lights. In the U.S., seven-in-ten Indian Americans say they celebrate the holiday.
A 2013 poll we conducted showed that globally Indians are among the most likely to say that Islamic extremist groups pose a “major threat” to their country.
Half of the world’s population lives in just six countries. But in many cases, the world’s major religious groups are even more concentrated.
A Pew Research Center survey shows how many people in religious groups know other people of different religions.
