The religious landscape in America is constantly changing. One of the greatest shifts over the past decade is the growing number of people who are religiously unaffiliated, also referred to as the religious “nones.” But this is not the only shift. The Pew Research Center recently sampled more than 35,000 Americans to look at the current religious composition of U.S. adults. Their sample size explored relatively small religious groups, including specific Christian denominations as well as state-and metropolitan area-level data. Their findings tell a story of major changes in today’s religious landscape. Here are five important facts about religion in America you need to know.