Religion Adherents Percentage
————————————- ————- ———-
Islam 1.907 billion 24.9%
Secular/Nonreligious/Agnostic/Atheist 1.193 billion 15.58%
Hinduism 1.161 billion 15.16%
Buddhism 506 million 5.06%
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.