Data source: Gina A. Zurlo, ed., World Christian Database (Leiden/Boston: Brill, 2025).
| Table | Field | Description |
|---|---|---|
| country | Corruption Index | Transparency International's "Corruption Perceptions Index" (CPI) measures the perceived levels of public-sector corruption in a given country in 2023. Expressed here in reverse so that higher values indicate higher levels of corruption. Primary source: Transparency International, 2024. |
| country | Country Affiliated Christian % | Church members as a percentage of this country's population in 2025; Affiliated Church members are persons belonging to or connected with organized churches, whose names are inscribed, written or entered on the churches’ books, records, or rolls. |
| country | Country Affiliated Christians | Number of church members in this country in 2025; Affiliated church members are persons belonging to or connected with organized churches, whose names are inscribed, written or entered on the churches’ books, records, or rolls. |
| country | Country code | Four-letter abbreviation assigned to country for database purposes. |
| country | Country footnote | Note to clarify the areas included in this country. |
| country | Country ID | Unique country identifier (primary key) used by the database. A four-letter code assigned to each country is also unique, but not unchanging. |
| country | Country name | Short name of this country (usually as designated by the UN). |
| country | Country Pop 1900 | This figure represents the country's total population in 1900. |
| country | Country Pop 1925 | This figure represents the country's total population in 1925. |
| country | Country Pop 1950 | This figure represents the country's total population in 1950. |
| country | Country Pop 1970 | This figure represents the country's total population in 1970. |
| country | Country Pop 1975 | This figure represents the country's total population in 1975. |
| country | Country Pop 2000 | This figure represents the country's total population in 2000. |
| country | Country Pop 2005 | This figure represents the country's total population in 2005. |
| country | Country Pop 2010 | This figure represents the country's total population in 2010. |
| country | Country Pop 2015 | This figure represents the country's total population in 2015. |
| country | Country Pop 2020 | This figure represents the country's total population in 2020. |
| country | Country Pop 2025 | This figure represents the country's total population in 2025. |
| country | Country Pop 2025 (base year) | This figure represents the country's total population in 2025. [primary source: UN: World Population Prospects: The 2024 Revision]. |
| country | Country Pop 2026 | Given current trends, this figure represents a projection of this country's population by mid 2026. |
| country | Country Pop 2027 | Given current trends, this figure represents a projection of this country's population by mid 2027. |
| country | Country Pop 2028 | Given current trends, this figure represents a projection of this country's population by mid 2028. |
| country | Country Pop 2029 | Given current trends, this figure represents a projection of this country's population by mid 2029. |
| country | Country Pop 2030 | Given current trends, this figure represents a projection of this country's population by mid 2030. |
| country | Country Pop 2050 | Given current trends, this figure represents a projection of this country's population by mid 2050. |
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.