Nov. 17, 2015

5 facts about the Muslim population in Europe

The Muslim share of Europe’s total population has been increasing steadily, growing from 4% in 1990 to 6% in 2010.

Jun. 22, 2015

What is each country’s second-largest religious group?

While either Christians or Muslims make up the largest religious group in nine-in-ten nations around the globe, the religiously unaffiliated rank second in size in most of the Americas and Europe, as well as in many countries in sub-Saharan Africa.

Apr. 23, 2015

Why Muslims are the world’s fastest-growing religious group

By 2050, they are expected to make up about three-in-ten of the world’s people, owing in part to relatively high fertility and low median age.

Apr. 21, 2015

By 2050, India to have world’s largest populations of Hindus and Muslims

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.

Apr. 8, 2015

Q/A: How we projected the future of world religions

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.

Aug. 27, 2014

Many religions heavily concentrated in one or two countries

Half of the world’s population lives in just six countries. But in many cases, the world’s major religious groups are even more concentrated.

Aug. 12, 2014

Iraqi Yazidis: Hazy population numbers and a history of persecution

The Yazidis who have been fleeing the advance of the Sunni militant group ISIS in Iraq are a religious group of uncertain numbers and a long history of persecution.

Jul. 11, 2014

Which six countries hold half the world’s population?

As of this month, the world’s population is now 7.2 billion, according to the United Nations, which celebrates World Population Day today. Interestingly, half of the people around the globe (3.6 billion) live in just six countries: China, India, the U.S., Indonesia, Brazil and Pakistan.

May. 19, 2014

Middle East’s Christian population in flux as Pope Francis visits Holy Land

Pope Francis is scheduled to visit Jordan, the West Bank and Israel this weekend, a region where the Christian population is in flux and where Francis has expressed concern about their well-being.

Dec. 23, 2013

The world’s Christian population – take our quiz

How much do you know about the world’s Christian population? Which country has the largest Catholic population, and which has the largest number of Protestants? W have a short, ten-question quiz on the global Christian population to test your knowledge.