Religion Adherents Percentage
————————————- ————- ———-
Christianity 2.382 billion 31.11%
Islam 1.907 billion 24.9%
Secular/Nonreligious/Agnostic/Atheist 1.193 billion 15.58%
Hinduism 1.161 billion 15.16%
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.