Catholic Archbishop of Washington Donald Wuerl joins other Christian leaders during an Easter prayer breakfast at the White House last month. Although such public expressions of religion remain a feature of American life, the nation’s Christian population has declined, a new study shows. (Chip Somodevilla / Getty Images)
By David Lauter and Hailey Branson-Potts
May 12, 2015
The U.S. has become significantly less Christian in recent years as the share of American adults who espouse no systematic religious belief increased sharply, a major new study found.