45% of Americans Say U.S. Should Be a ‘Christian Nation’
But they hold differing opinions about what that phrase means, and two-thirds of U.S. adults say churches should keep out of politics.
Numbers, Facts and Trends Shaping Your World
Since the 1990s, large numbers of Americans have left Christianity to join the growing ranks of U.S. adults who describe their religious identity as atheist, agnostic or “nothing in particular.” If recent trends in religious switching continue, Christians could make up less than half of the U.S. population within a few decades.