And according to a 2012 Pew Research Center survey, within the next four decades, Christians will remain the world’s largest religion; if current trends continue, by 2050 the number of Christians will reach 2.9 billion (or 31.4%).
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.