World Religions

Explore major world religions with factual, citation-backed information on beliefs, practices, history, demographics, and more.

Christianity

~2.4 billion adherentsLevant, 1st century CE

Islam

~1.9 billion adherentsArabian Peninsula, 7th century CE

Hinduism

~1.2 billion adherentsIndian subcontinent, ~1500 BCE

Buddhism

~500 million adherentsIndian subcontinent, 5th century BCE

Judaism

~14-15 million adherentsLevant, ~2000 BCE

Sikhism

~25-30 million adherentsPunjab, 15th century CE

Baha'i Faith

~5-8 million adherentsPersia, 19th century CE

Jainism

~4-5 million adherentsIndian subcontinent, 6th century BCE

Shinto

~4 million adherentsJapan, prehistoric

Taoism

~12 million adherentsChina, 4th century BCE

Zoroastrianism

~100-200 thousand adherentsPersia, ~1500-500 BCE

Indigenous & Traditional

~300+ million adherentsVarious regions, prehistoric

Data notes and citations

Adherent counts are approximate global estimates and vary by methodology and update cycle. We provide ranges to avoid false precision.