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

Pew Research CenterMarch 13, 2018

U.S. Catholics offer wide range of answers when asked about Francis’ most notable action as pope

About one-in-ten U.S. Catholics say Pope Francis’ most notable action has been showing humility and setting a good Christian example, while an equal share credited Francis with opening up the church and making it more accepting.

ReligionMarch 6, 2018

Pope Francis Still Highly Regarded in U.S., but Signs of Disenchantment Emerge

American Catholics continue to have a favorable opinion of Francis. Yet there are signs of growing disenchantment with the Argentine pontiff, particularly among Catholic Republicans.

Pew Research CenterMarch 6, 2018

6 facts about how U.S. Catholics see Pope Francis

As Pope Francis approaches the fifth anniversary of his papacy, read six facts about how American Catholics view the pope.

ReligionMarch 1, 2018

5 facts about U.S. evangelical Protestants

The Rev. Billy Graham, who recently died at age 99, was one of the most influential and important evangelical Christian leaders of the 20th century. As the country remembers Rev. Billy Graham, here are five facts about American evangelical Protestants.

ReligionDecember 18, 2017

5 facts about Christmas in America

Read five facts about Christmas in America and how people celebrate the holiday.

ReligionDecember 12, 2017

Americans Say Religious Aspects of Christmas Are Declining in Public Life

Most U.S. adults believe the religious aspects of Christmas are emphasized less now than in the past – even as relatively few are bothered by this trend.

ReligionNovember 28, 2017

Ethiopia is an outlier in the Orthodox Christian world

Ethiopia has 36 million Orthodox Christians, the world’s second-largest Orthodox population after Russia. By many measures, Orthodox Ethiopians have much higher levels of religious commitment than do Orthodox Christians in the faith’s heartland of Central and Eastern Europe.

ReligionNovember 14, 2017

Q&A: A closer look at Orthodox Christians

Read a Q&A with George Demacopolous, a professor of theology at Fordham University, to examine trends and issues in the Orthodox Christian world.

ReligionNovember 8, 2017

Key takeaways about Orthodox Christians

Today, there are approximately 260 million Orthodox Christians in the world, accounting for 12% of the global Christian population. Read key takeaways about Orthodox Christians.

ReligionNovember 8, 2017

Orthodox Christianity in the 21st Century

Concentrated in Europe, Orthodox Christians have declined as share of the global Christian population, from 20% in 1910 to 12% today. But the Ethiopian community is highly observant and growing.