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

ReligionNovember 16, 2015

Church involvement varies widely among U.S. Christians

Some of the largest Christian denominations in the U.S. have relatively low levels of involvement among their members.

ReligionNovember 4, 2015

Americans’ faith in God may be eroding

The vast majority of Americans still believe in God, but there are strong signs that many are less certain about this belief than in years past.

ReligionNovember 3, 2015

A closer look at Seventh-day Adventists in America

Making up just 0.5% of U.S. adults, Seventh-day Adventists are extremely devout and are one of the country’s most diverse religious groups by race and ethnicity.

ReligionNovember 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.

ReligionOctober 26, 2015

Most U.S. Catholics hope for change in church rule on divorce, Communion

62% of U.S. Catholics think the church should allow Catholics who have been divorced and remarried without an annulment to receive Communion.

ReligionOctober 22, 2015

5 facts about the interplay between religion and science

Religion and science have often been seen as being in conflict. But are religious faith and the scientific enterprise really at odds with each other?

ReligionOctober 7, 2015

Positive Impact of Pope Francis on Views of the Church

Pope Francis has generated goodwill toward the Catholic Church among many Americans across the political spectrum. Democrats and liberals are especially likely to say they now have a more positive view of the church.

HispanicSeptember 25, 2015

Catholics, especially Hispanics, echo pope’s call to embrace immigrants

Nearly nine-in-ten Hispanic Catholics (88%) say that undocumented immigrants who meet certain requirements should be able to stay in the U.S.

ReligionSeptember 25, 2015

What’s a sin? Catholics don’t always agree with their church

Almost nine-in-ten U.S. Catholics believe that some actions are offensive to God, but many American Catholics don’t agree with church teachings on what constitutes sinful behavior.

ReligionSeptember 24, 2015

5 facts about Communion and American Catholics

Pope Francis will celebrate Mass on an enormous scale Sunday, with 2 million people expected to gather on a mile-long parkway in downtown Philadelphia. We gathered key facts about Communion and U.S. Catholics for the occasion.