Which 7 countries hold half the world’s population?
As of July 2018, the world’s population is 7.63 billion. More than half of all people around the globe live in just seven countries.
Europe’s Muslim population will continue to grow – but how much depends on migration
While Muslims are still a relatively small share of Europe’s population (roughly 5%), they are set to continue rising as a percentage of Europe’s population.
Q&A: The challenges of estimating the size of Europe’s Muslim 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.
10 demographic trends shaping the U.S. and the world in 2017
Take a look at 10 recent findings on demographic trends, ranging from global refugee and migrant flows to changes to family life and living arrangements.
Sub-Saharan Africa will be home to growing shares of the world’s Christians and Muslims
By 2060, more than four-in-ten Christians and 27% of Muslims around the world will call sub-Saharan Africa home.
Why people with no religion are projected to decline as a share of the world’s population
Though the percentage of religiously “nones” in America has risen, the global share of religiously unaffiliated people is expected to fall in coming decades.
Why Muslims are the world’s fastest-growing religious group
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.

How America Changed During Barack Obama’s Presidency
Pew Research Center President Michael Dimock examines the changes – some profound, some subtle – that the U.S. experienced during Barack Obama’s presidency.
World’s centenarian population projected to grow eightfold by 2050
The world was home to nearly half a million people ages 100 and older in 2015, more than four times as many as in 1990. And this growth is expected to accelerate.
10 demographic trends that are shaping the U.S. and the world
We gathered key facts for this year’s Population Association of America (PAA) meeting.