Updates

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

Updated to 2020

20 Jan 2020

WRD is now updated from mid-2015 to current data projections for mid-2020 …

The base year of the World Religion Database has been updated from mid-2015 to mid-2020.

This means that estimates for the number of religionists in every country of the world are now reconciled with the United Nations population projections for mid-2020. The update includes statistics on all world religions as well as Peoples and Countries preliminary data on Cities and Provinces.

Unless labelled otherwise, all data in WRD now refer to 2020.

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Census data added

01 Oct 2019

Census data from 184 country censuses have been added this quarter ...

This quarter sees data processed from a further 184 censuses. These include historical censuses from Sweden in 1900 and Sri Lanka in 1901 through to the Irish census of 2016 and Niger census of 2017. A full listing of the new census data is available in the query "Census data added this quarter" on the Censuses and Surveys page.

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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.