Religious Demographics

Religion, particularly Christianity, has played an outsize role in African American history. For Black History Month, here are five facts about the religious lives of African Americans.

About a quarter of adults who were raised Muslim no longer identify as members of the faith. But Islam gains about as many converts as it loses.

An estimated 3.45 million Muslims of all ages were living in the United States in 2017, accounting for about 1.1% of the country's total population.

Read a Q&A with Conrad Hackett, associate director of research and senior demographer at Pew Research Center, on estimating the European Muslim population.

Immigration has been a major factor in the growth of Germany’s Muslim population. But, even if there is no more immigration, Muslims will continue to increase as a share of Germany’s population in future decades.

In the coming decades, the Muslim share of Europe's population is expected to grow – and could more than double. Read five facts about the Muslim population in Europe.

Even with no new migration, Muslims are projected to increase as a share of Europe's population.

The U.S. has more foreign students enrolled in its colleges and universities than any other country in the world. Explore data about foreign students in the U.S. higher education system.

Concentrated in Europe, Orthodox Christians have declined as share of the global Christian population, from 20% in 1910 to 12% today. But the Ethiopian community is highly observant and growing.

Islam is the most common state religion, but many governments give privileges to Christianity.