Fact Tank Apr. 3, 2015

Why people with no religion are projected to decline as a share of the world’s population

The total number of religiously unaffiliated is expected to grow, but other religious groups – and the global population overall – will grow faster.

Religion Apr. 2, 2015

The Future of World Religions

If current demographic trends persist, Christians will remain steady, Muslims will grow and people with no religion will decline as a share of the world’s population in the coming decades.

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Religion Apr. 2, 2015

Religious Composition by Country, 2010-2050

The religious profile of the world is rapidly changing, driven primarily by differences in fertility rates and the size of youth populations among the world’s major religions, as well as by people switching faiths. This table details the estimated religious composition of 198 countries and territories for 2010 to 2050.

Fact Tank Apr. 2, 2015

7 key changes in the global religious landscape

What will the world’s religious landscape look like a few decades from now?

Fact Tank Nov. 14, 2014

Why has Pentecostalism grown so dramatically in Latin America?

Tens of millions of Latin Americans have left the Roman Catholic Church in recent decades and embraced Pentecostal Christianity.

Religion Nov. 13, 2014

Religion in Latin America

Nearly 40% of the world’s Catholics live in Latin America, but many people in the region have converted from Catholicism to Protestantism, while some have left organized religion altogether.

Fact Tank Sep. 23, 2014

Is religion’s declining influence good or bad? Those without religious affiliation are divided

Atheists, agnostics and people who have no religion in particular may be growing in number in the United States, but they are not uniformly against religion having a role in society.

Fact Tank 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.

Fact Tank Jul. 17, 2014

How many people of different faiths do you know?

A Pew Research Center survey shows how many people in religious groups know other people of different religions.

Fact Tank Jul. 16, 2014

U.S. evangelical Christians are chilly toward atheists – and the feeling is mutual

U.S. Christians, as a whole, express negative feelings toward atheists, and the chilliness is reciprocated, according to a Pew Research survey on how Americans rate eight religious groups.