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

Fact Tank Aug. 12, 2014

6 facts about South Korea’s growing Christian population

Pope Francis will travel to South Korea next week for Asian Youth Day, making his third international trip as pontiff. Here are six facts about Christianity in South Korea.

Fact Tank Aug. 8, 2014

U.S. nuns face shrinking numbers and tensions with the Vatican

The total number of nuns, also called religious sisters, in the United States has fallen from roughly 180,000 in 1965 to about 50,000 in 2014 – a 72% drop over those 50 years.

Fact Tank Jul. 17, 2014

How many people of different faiths do you know?

A Pew Research Center survey shows how many people in religious groups know other people of different religions.

Fact Tank Jul. 16, 2014

U.S. evangelical Christians are chilly toward atheists – and the feeling is mutual

U.S. Christians, as a whole, express negative feelings toward atheists, and the chilliness is reciprocated, according to a Pew Research survey on how Americans rate eight religious groups.

Religion Jul. 16, 2014

How Religious Groups View One Another

When asked to rate religious groups on a “feeling thermometer” ranging from 0 to 100, Americans rate Jews, Catholics and evangelical Christians warmly and atheists and Muslims more coldly.

Fact Tank Jun. 19, 2014

‘March for Marriage’ rally reflects steadfast opposition to gay marriage among evangelical Christians

Opposition to same-sex marriage is now more concentrated among a few religious groups – particularly white evangelical Protestants.

Fact Tank Jun. 9, 2014

Southern Baptists confront a ‘third way’ on homosexuality and sin

Southern Baptists are trying to navigate the rapidly shifting landscape of same-sex marriage and homosexuality.

Fact Tank May. 23, 2014

A half century of well-traveled popes

Led by the prolific travels of Pope John Paul II, pontiffs have reached 135 different countries and territories at least once since 1964.

Fact Tank May. 19, 2014

Middle East’s Christian population in flux as Pope Francis visits Holy Land

Pope Francis is scheduled to visit Jordan, the West Bank and Israel this weekend, a region where the Christian population is in flux and where Francis has expressed concern about their well-being.

Fact Tank May. 15, 2014

Latinos in the U.S. have a strong belief in the spirit world

More than half (57%) of Latinos in the U.S. said that people can be possessed by spirits, and 44% said magic, sorcery or witchcraft can influence people’s lives.