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

Fact Tank Nov. 19, 2015

U.S. public seldom has welcomed refugees into country

Public opinion data going back to the 1930s shows that generally speaking, Americans oppose large numbers of refugees entering the country.

Fact Tank Nov. 17, 2015

In nations with significant Muslim populations, much disdain for ISIS

Most people in the countries we surveyed – including 11 countries with significant Muslim populations – had negative views of the Islamic State extremist group as of spring.

Fact Tank 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.

Religion Nov. 3, 2015

U.S. Public Becoming Less Religious

There has been a modest drop in overall rates of belief in God and participation in religious practices. But religiously affiliated Americans are as observant as before.

Fact Tank Jul. 27, 2015

The most and least racially diverse U.S. religious groups

The nation’s population is growing more racially and ethnically diverse – and so are many of its religious groups, both at the congregational level and among broader Christian traditions.

Global Jul. 16, 2015

Extremism Concerns Growing in West and Muslim Countries

As the Islamic militant group ISIS continues to entrench itself in Syria and Iraq, concerns about Islamic extremism are growing in the West and in countries with significant Muslim populations.

Fact Tank Jul. 13, 2015

Some major U.S. religious groups differ from their members on the death penalty

Many large religious groups have taken positions in opposition to the death penalty even though that stance is sometimes at odds with the opinions of their adherents.

Fact Tank Jul. 10, 2015

How Bosnian Muslims view Christians 20 years after Srebrenica massacre

This weekend marks 20 years since the Srebrenica massacre – the killing of 7,000-8,000 Muslim men and boys by Bosnian Serb forces in a Bosnian town that had been designated a United Nations safe haven.

Fact Tank Jun. 3, 2015

Ratings of Muslims rise in France after Charlie Hebdo, just as in U.S. after 9/11

There has been considerable debate over the country’s Muslims and the role of extremism, but no backlash against Muslims in French public opinion.

Fact Tank Jun. 2, 2015

5 key findings about how Europeans view the economy and EU

Despite their increasingly upbeat economic mood, Europeans show growing support for nontraditional political parties critical of the EU.