The Vault is Slate’s history blog. Like us on Facebook, follow us on Twitter @slatevault, and find us on Tumblr. Find out more about what this space is all about here. This 1854 map of world religion ...

The 2020 project shows shifting complexity of organized religion. Church historians, sociologists, and statisticians are going county by county, denomination by denomination, group of believers by ...

Click on “Projecting the World’s Faith” below to begin a slideshow of each graphic in full size. Religion News Service graphics by Tiffany McCallen (RNS) Muslims will overtake Christians by the end of ...

Depending on where you live, faith might play a larger or lesser role in the community. A new report ranks the U.S. states that care the most about religion, and the ones where it’s less important.

NPR also examined Republican John McCain's ties to religious voters — and in particular, his bid for the support of evangelicals. Religious language trips off Barack Obama's tongue as if he were a ...

Hinduism, Buddhism, Christianity, Judaism, and Islam are five of the biggest religions in the world. Over the last few thousand years, these religious groups have shaped the course of history and had ...

Your support goes further this holiday season. When you buy an annual membership or give a one-time contribution, we’ll give a membership to someone who can’t afford access. It’s a simple way for you ...

Islam is the world's fastest growing religion but despite the increasing numbers, Christians will still outnumber Muslims in 2050, a new report has found. Religion, despite its decline in the West as ...