Pew Research Center reports and data on the world’s fastest growing religious group.

Fact Tank Apr. 15, 2015

Europe projected to retain its Christian majority, but religious minorities will grow

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.

Fact Tank Apr. 14, 2015

Muslims expected to surpass Jews as second-largest U.S. religious group

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.

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 Feb. 27, 2015

5 facts about religious hostilities in Europe

Harassment and attacks against religious minorities continue in many countries there, and hostilities against Jews in particular have been spreading.

Fact Tank Feb. 26, 2015

5 key findings about global restrictions on religion

There was an overall decline in social hostilities to religion in 2013, though harassment of Jews worldwide reached a high. These are five key takeaways from our religious restrictions report.

Fact Tank Feb. 5, 2015

Widespread concerns about extremism in Muslim nations, and little support for it

The horrific murder of Jordanian pilot Moaz al-Kasasbeh has generated shock and outrage around the globe. And if recent history is a guide, this brutal act will only deepen opposition to ISIS, and to violent extremism more generally, in Jordan and other predominantly Muslim nations.

Fact Tank Jan. 29, 2015

The political divide on views toward Muslims and Islam

A survey conducted by the Pew Research Center in 2014 shows that people who identify as Republicans or say they lean toward the Republican Party have more negative views of Muslims than do their Democratic counterparts.

Fact Tank Jan. 15, 2015

5 facts about the Muslim population in Europe

The Muslim share of Europe’s total population has been increasing steadily. In recent decades, the Muslim share of the population throughout Europe grew about 1 percentage point a decade, from 4% in 1990 to 6% in 2010.