U.S. church membership was 73% in 1937 when Gallup first measured it. It stayed near 70% through 2000 before beginning to decline, to 61% in 2010 and 47% in 2020.Mar 29, 2021
Who is the leader of the Protestant Church?
Martin Luther, often called the father of Protestantism, fundamentally changed the Christian world through his force of will and new ideas. He tried passionately to reform the Catholic Church.