Size & Demographic Characteristics of Religious Groups

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.

Though the percentage of religiously "nones" in America has risen, the global share of religiously unaffiliated people is expected to fall in coming decades.

While the world’s population is projected to grow 32% in the coming decades, the number of Muslims is expected to increase by 70% – from 1.8 billion in 2015 to nearly 3 billion in 2060.

Though Christians make up nearly a third of Earth’s 7.3 billion people, the number of Christians in Europe is in decline.

More babies were born to Christian mothers than to members of any other religion in recent years. Less than 20 years from now, however, the number of babies born to Muslims is expected to modestly exceed births to Christians.

Muslim women have made greater educational gains than Muslim men in most regions of the world.