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

Fact TankDecember 21, 2015

Where Christian churches, other religions stand on gay marriage

In the last two decades, several religious groups have moved to allow same-sex couples to marry within their traditions.

Fact TankDecember 21, 2015

5 facts about Christmas in America

Just in time for the holidays, here are five facts about Christmas in America and how people celebrate.

Fact TankDecember 18, 2015

Many Millennials see Christmas as more cultural than religious holiday

Millennials are less religious than older Americans and less likely to identify with a religious group, and those traits are reflected in the way they celebrate Christmas.

Fact TankDecember 18, 2015

Most U.S. Christian groups grow more accepting of homosexuality

Acceptance of homosexuality is rising across the broad spectrum of American Christianity, including among members of churches that strongly oppose homosexual relationships as sinful.

Fact TankDecember 2, 2015

Religious groups’ policies on transgender members vary widely

Religious institutions are starting to formally address the participation of transgender people in their congregations, much as they have with the issue of accepting homosexuals.

Fact TankNovember 24, 2015

In Africa, Pope Francis will find religious vibrancy and violence

The three countries on the pope’s itinerary — Uganda, Kenya and the Central African Republic — all have sizable Catholic populations. But they also have seen violent clashes in recent years.

Fact TankNovember 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.

Fact TankNovember 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.

Fact TankNovember 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.

Pew Research CenterNovember 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.