Updates

The World Religion database is updated twice a year, following research cycles.

World Population Prospects 2024 and base year 2025

31 Jul 2025

The 2024 revision of population data from the UN Population Division has been incorporated …

The populations of every religion in every country in all years are freshly reconciled following the biennial revision of population data produced by the UN: (United Nations, Department of Economic and Social Affairs, Population Division (2024). World Population Prospects: The 2024 Revision).

Additionally the "base year" of the database is now set to 2025 so unless labelled otherwise, all data in WRD now refer to 2025.

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Data update

30 Nov 2024

New research into the number of Christians means adjustment to many other surrounding religions …

Release of new 2020 data for Christian denominations in the companion World Christian Database has informed new estimates and projections for many religions in most countries. Religion estimates are made for each ethnolinguistic people group in every country.

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Religions

All major world religions, available by geographic region and people groups.

Geography

Comprehensive country religious makeup, demographics, and trends.

Religious diversity

Religious Diversity Index (RDI) and counts of religions over 10%, over 5%, and over 0.5%.

Contextual data

Population data by country, plus socio-economic, health, environment, and gender indicators.

Censuses

Historical and current census data on religion by country.