See the latest Pew Research Center reports and data on the world’s largest religious group.

ReligionMay 10, 2017

Religious Belief and National Belonging in Central and Eastern Europe

Religion has reasserted itself as an important part of individual and national identity in a region that was once dominated by atheist communist regimes.

Pew Research CenterApril 26, 2017

Among white evangelicals, regular churchgoers are the most supportive of Trump

White evangelicals overwhelming voted for Donald Trump in the 2016 election, and their support has continued into his presidency.

ReligionApril 19, 2017

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.

ReligionApril 14, 2017

5 facts on how Americans view the Bible and other religious texts

This year, the Jewish festival of Passover coincides with the Christian celebration of Easter. Here are five key facts about Americans and their holy texts.

ReligionApril 11, 2017

Restrictions on religion among the 25 most populous countries, 2007-2015

Among the world’s 25 most populous countries, Russia, Egypt, India, Pakistan, and Nigeria stand out as having the most restrictions on religion (as of the end of 2015) when both government restrictions and religious hostilities are taken into account.

ReligionApril 11, 2017

Global Restrictions on Religion Rise Modestly in 2015, Reversing Downward Trend

Government restrictions on religion and social hostilities involving religion increased in 2015 for the first time in three years. Government harassment and use of force surged in Europe, as did social hostilities against Muslims.

Pew Research CenterApril 6, 2017

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.

Pew Research CenterApril 5, 2017

Christians remain world’s largest religious group, but they are declining in Europe

Though Christians make up nearly a third of Earth’s 7.3 billion people, the number of Christians in Europe is in decline.

ReligionApril 5, 2017

The Changing Global Religious Landscape

More babies were born to Christian mothers than to members of any other religion in recent years. Less than 20 years from now, however, the number of babies born to Muslims is expected to modestly exceed births to Christians.

HispanicMarch 29, 2017

Key findings about Puerto Rico

To mark the 100th anniversary of the U.S. government granting American citizenship to the residents of Puerto Rico, here are key facts about the territory.