Sub-Saharan Africa

Although the U.S. has long had a sizable black population as a legacy of slavery, voluntary black immigration here is projected to grow in coming decades.

A record 3.8 million black immigrants live in the U.S. today, accounting for 8.7% of the nation's black population, nearly triple their share in 1980. While half are from the Caribbean, African immigration has soared since 2000.

The share of the world's Christians in Europe will continue to decline while the percentage in sub-Saharan Africa will increase dramatically.

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.

Explore the estimated religious composition of 198 countries and territories for 2010 to 2050.

Nigerians head to the polls this weekend for a long-delayed presidential election. Here's what they had to say about the state of their country when we surveyed them in the spring of 2014.

Explore the levels of social hostilities and government restrictions on religion in the world's 25 most populous counties since 2007.

Pew Research's annual Global Attitudes surveys starts by asking respondents how they would describe their day. A median of nearly two-thirds (65%) across 44 countries surveyed in spring 2014 responded that they were having a typical day.

The world’s increasing population means that the sheer number of international migrants has never been higher.