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33 percent of the people in the world are Christians.
21 percent of the people in the world are Muslims.
13 percent of the people in the world are Hindus.
6 percent of the people in the world are Buddhists.
2.3 percent of the people of the world are atheists.
0.4 percent of the people of the world are Sikhs.
0.2 percent of the people of the world are Jewish.
0.1 percent of the people of the world are Baha'is.
12 percent of the people of the world are of other religions.
12 percent of the people in the world are nonreligious.

The youngest Pope was 11 years old.

In a century's time Islam had converted one-third of the world.