Data source: Gina A. Zurlo, ed., World Christian Database (Leiden/Boston: Brill, 2026).
| Table | Field | Description |
|---|---|---|
| version_2020_country | Congregations | Number of worship centers (churches, congregations) in this country. |
| version_2020_country | Congregations per m | Number of worship centers per million of the country's population. |
| version_2020_country | Corruption Index | Transparency International's "Corruption Perceptions Index" (CPI) measures the perceived levels of public-sector corruption in a given country. Expressed here in reverse so that higher values indicate higher levels of corruption. Primary source: Transparency International, 2019. |
| version_2020_country | Country Affiliated Christian % | Church members as a percentage of this country's population in 2020; 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. |
| version_2020_country | Country Affiliated Christians | Number of church members in this country in 2020; 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. |
| version_2020_country | Country footnote | Note to clarify the areas included in this country. |
| version_2020_country | Country ID | Unique country identifier (primary key) used by the database. A four-letter abbreviation or code assigned by WCD to each country is also unique, but not unchanging. |
| version_2020_country | Country name | Short name of this country (usually as designated by the UN). |
| version_2020_country | Country Pop 1900 | This figure represents the country's total population in 1900. |
| version_2020_country | Country Pop 1910 | This figure represents the country's total population in 1910. |
| version_2020_country | Country Pop 1930 | This figure represents the country's total population in 1930. |
| version_2020_country | Country Pop 1950 | This figure represents the country's total population in 1950. |
| version_2020_country | Country Pop 1970 | This figure represents the country's total population in 1970. |
| version_2020_country | Country Pop 2000 | This figure represents the country's total population in 2000. |
| version_2020_country | Country Pop 2005 | This figure represents the country's total population in 2005. |
| version_2020_country | Country Pop 2010 | This figure represents the country's total population in 2010. |
| version_2020_country | Country Pop 2015 | This figure represents the country's total population in 2015. |
| version_2020_country | Country Pop 2020 | This figure represents the country's total population in 2020. [primary source: UN: World Population Prospects: The 2019 Revision]. |
| version_2020_country | Country Pop 2020 (base year) | This figure represents the country's total population in 2020. [primary source: UN: World Population Prospects: The 2019 Revision]. |
| version_2020_country | Country Pop 2021 | Given current trends, this figure represents a projection of this country's population by mid 2021. |
| version_2020_country | Country Pop 2022 | Given current trends, this figure represents a projection of this country's population by mid 2022. |
| version_2020_country | Country Pop 2023 | Given current trends, this figure represents a projection of this country's population by mid 2023. |
| version_2020_country | Country Pop 2024 | Given current trends, this figure represents a projection of this country's population by mid 2024. |
| version_2020_country | Country Pop 2025 | Given current trends, this figure represents a projection of this country's population by mid 2025. |
| version_2020_country | Country Pop 2030 | Given current trends, this figure represents a projection of this country's population by mid 2030. |
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.