The World Christian database is updated twice a year, generally in January and July.
The inclusion of this analysis by races, peoples, tribes, and cultures is an affirmation of the centrality of indigenous cultures to local expressions of Christianity...
Data from Bible agencies around the world are added annually ...
Data on 18 categories of religion, including non-religious, by country, province, and people.
Data on all religions, Christian activities, and trends.
Membership data, year begun, and rates of change.
Population and religion data on all major cities & provinces.
Detailed information covering religion, culture, and geography.
A repository of historical data, including a chronology of Christianity from the 1st to 21st centuries.