World Christian Database: field definitions

Data source: Gina A. Zurlo and Todd M. Johnson, eds., World Christian Database (Leiden/Boston: Brill, 2024).

Table Field Description
city Capital city Capital city.
city Christians Number of Christians in this city in 2020.
city Christians % Christians as a percentage of this city's population in 2020.
city City ID Unique city identifier (primary key) used by the database.
city City name Name of this city.
city Country code Four-letter abbreviation assigned to country for database purposes.
city Country ID ID of the country in which this city is located.
city Latitude Latitude.
city Longitude Longitude.
city Note Additional descriptive data for this city. The code 'F=' refers to the date in which the city was founded (earliest date of known settlement).
city People with gospel access The number of people with access to the gospel.
city People with gospel access % The percentage of this city's population with access to the gospel.
city Pop 2025 Given current trends, this is the projected population for this city, by mid-2025.
city Population Population in this city in mid-2020.
communion Communion Adherents Adherents 2015 as published for the communion or council. This is sometimes reported as an earlier 2010 estimate when that is more than the sum of affiliated church members. This can occur when membership is wider than the listed denominations. e.g. individual memberships may be included in total membership.
communion Communion Code Quick reference code. Consists of an alpha character plus a number where 1=upper case, 2=lower case, 3=underlined upper case, 4=underlined lower case.
communion Communion ID Unique communion/council identifier (primary key) used by the database.
communion Communion Level Five levels: World communions; world councils; continental councils; regional councils and national councils.
communion Communion Level description Five levels: World communions; world councils; continental councils; regional councils and national councils.
communion Communion name Communion name shortened for ease of listing.
communion Communion name (long form) Communion name in full.
communion Communion Note Additional comments, spellings and abbreviations.
communion Communion sort Temporary number assigned by the database for the purpose of sorting.
communion Country code Four-letter abbreviation assigned to country for database purposes.
communion Country count Number of countries in which this council has member denominations.
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Religions

Data on 18 categories of religion, including non-religious, by country, province, and people.

Countries and regions

Data on all religions, Christian activities, and trends.

Denominations

Membership data, year begun, and rates of change.

Cities & provinces

Population and religion data on all major cities & provinces.

Peoples & languages

Detailed information covering religion, culture, and geography.

Archive

A repository of historical data, including a chronology of Christianity from the 1st to 21st centuries.