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The World's Great Religions

What billions of people believe, and why it shaped history

Major world religions

ReligionBeganFollowers (2020)
Christianity1st century AD, Jesus of NazarethAbout 2.3 billion
Islam7th century AD, the Prophet MuhammadAbout 2.0 billion
HinduismAncient India, no single founderAbout 1.2 billion
Buddhism~5th century BC, Siddhartha GautamaAbout 320 million
JudaismAncient Israel, the covenant with AbrahamAbout 15 million

About 1.9 billion people report no religious affiliation.

Questions every faith addresses

God or the divine

Who or what is ultimate?

Right and wrong

How should we treat others?

Suffering

Why do people suffer, and how do we respond?

Death and beyond

What happens after we die?

Shared and different

Many share

  • A version of the Golden Rule
  • Prayer or meditation
  • Care for the poor

They differ on

  • The nature of God
  • Sacred texts and prophets
  • Salvation, rebirth or enlightenment

Sources: Pew Research Center (2025 report on 2020 data); Encyclopaedia Britannica

Remember

Understanding what others believe, and why, helps explain history and builds respect between neighbors.