By 2060, more than four-in-ten Christians and 27% of Muslims around the world will call sub-Saharan Africa home.
This year, the Jewish festival of Passover coincides with the Christian celebration of Easter. Here are five key facts about Americans and their holy texts.
Brazil and Japan were among countries with the lowest levels of religious restrictions in 2015, while Russia and Egypt were among countries with the highest.
Europe in 2015 saw a rise in social hostilities involving religion, particularly against the continent’s Muslims.
Thirty-eight European governments harassed religious groups in limited or widespread ways in 2015, while 24 used some type of force against religious groups.
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.
The vast majority of the nation’s federal lawmakers (91%) describe themselves as Christians, compared with 71% of U.S. adults who say the same.
While most Americans disapprove of Donald Trump’s recent refugee policy, there is a sizable divide on the issue among major religious groups.