Pew Research Center reports and data on the world’s largest religious group.
Christians make up about the same proportion of the world’s population today as they did a century ago, but there has been a momentous shift in where they live.
The Shifting Global Catholic Population
Catholics have made up a remarkably stable share of the global population over the past century, but their geographic distribution has shifted significantly during that time.
The Future of World Religions
If current demographic trends persist, Christians will remain steady, Muslims will grow and people with no religion will decline as a share of the world’s population in the coming decades.
Religion in Latin America
Nearly 40% of the world’s Catholics live in Latin America, but many people in the region have converted from Catholicism to Protestantism, while some have left organized religion altogether.
All Publications from this Topic
10 facts about religion in America
It’s a fascinating time for conversations about faith in the United States, with Pope Francis set to visit, a presidential election on the horizon and major trends reshaping the country’s religious landscape.
Major U.S. metropolitan areas differ in their religious profiles
The religious face of America is largely a Christian one, with roughly seven-in-ten Americans belonging to that faith. But some of the nation’s biggest metropolitan areas have a very different look.
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.
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.
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.
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.
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.
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.
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.
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.