America is turning gray, with the share of people ages 65 and older expected to rise more than 50% by 2050 – a trend that may burden more families. But Germany and Italy are already there, with a fifth of their population in that age range.
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.
The number of Christians in Europe is forecast to drop by about 100 million by 2050, while the share of Muslims and smaller religious minorities will increase.
If current demographic trends hold, by 2050, Muslims are projected to be more numerous in the U.S. than people who identify as Jewish on the basis of religion.
Demographer Conrad Hackett explains how he and his team put together our major new report and why it differs from past efforts to predict religious change.
Their population dropped devastatingly fast after their first contact with Western foreigners in 1778, but their numbers are returning to "pre-contact" levels.
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.
Meanwhile, foreign-born shares among whites and blacks are expected to rise, according to new Census Bureau projections.
America is in the midst of two major changes to its population: We are becoming majority non-white at the same time a record share is going gray. Explore these shifts in our new interactive data essay.