Updates

The World Religion database is updated twice a year, generally in January and July.

World Population Prospects, 2015 Revision

01 Oct 2015

population data from the UN Population Division

The 2015 revision of population data from the UN Population Division has been incorporated into WRD and reconciled with religious affiliation data in every country.
Methodological update: a section was added describing the differences between WRD and recent
Pew Research estimates of Christian projections to 2050.

More info...

Hindu major traditions

01 Jul 2015

best estimates by country of the numbers of Vaishnavites, Shaivites and Saktists

Methodological update: added example of Hinduism in the USA and the methodology of the International Religious Demography Data Quality Index.
For the first time, the Hindu religion is broken down into its major traditions with best estimates by country of the numbers of Vaishnavites, Shaivites and Saktists. See the Hindu specific queries on Religious Traditions page.

More info...

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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.