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

Fact Tank Jul. 27, 2015

The most and least racially diverse U.S. religious groups

The nation’s population is growing more racially and ethnically diverse – and so are many of its religious groups, both at the congregational level and among broader Christian traditions.

Fact Tank Jul. 23, 2015

The 2016 GOP field has a bumper crop of Catholic candidates

Only three Roman Catholics have ever run for president on a major party ticket, and all were Democrats. But that may be about to change. So far six Catholics (including some early favorites) are running for the 2016 Republican presidential nomination.

Fact Tank Jul. 13, 2015

Some major U.S. religious groups differ from their members on the death penalty

Many large religious groups have taken positions in opposition to the death penalty even though that stance is sometimes at odds with the opinions of their adherents.

Fact Tank Jul. 10, 2015

How Bosnian Muslims view Christians 20 years after Srebrenica massacre

This weekend marks 20 years since the Srebrenica massacre – the killing of 7,000-8,000 Muslim men and boys by Bosnian Serb forces in a Bosnian town that had been designated a United Nations safe haven.

Fact Tank Jul. 2, 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 Tank Jul. 2, 2015

5 facts for Pope Francis’ visit to South America

Pope Francis begins a highly anticipated seven-day South American trip on Sunday that includes stops in Ecuador, Bolivia and Paraguay. As millions of faithful Catholics prepare to welcome Pope Francis next week, here are key facts about his trip.

Fact Tank Jun. 24, 2015

Jindal followed a rare path, from Hinduism to Catholicism

Louisiana Gov. Bobby Jindal, a newly declared Republican candidate for president, is hoping to attract support from conservative evangelical Christian voters. Jindal himself is a Catholic, and, as the son of immigrants from Hindu-majority India, was raised in the Hindu faith.

Fact Tank Jun. 17, 2015

U.S. Catholics less positive toward pope on environment, sex abuse scandal than other issues

55% of Catholics rated Francis positively on addressing sex abuse, and 53% gave him high marks on environmental issues. But these were two out of nine areas in which Francis drew the least positive ratings.

Fact Tank Jun. 16, 2015

Ideological divide over global warming as wide as ever

Pope Francis will publish an encyclical addressing environmental issues and climate change this Thursday, a subject that continues to deeply divide Americans, including Catholics, along partisan and ideological lines.

Religion Jun. 16, 2015

Catholics Divided Over Global Warming

A solid majority of U.S. Catholics believe that Earth is warming. But climate change is a highly politicized issue that sharply divides American Catholics, like the U.S. public as a whole, mainly along political party lines.