The World Christian database is updated twice a year, following research cycles.
The 'Chronology of world Christianity' has been extended back to BC 3000.
As people groups change so does the country’s religious makeup.
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.