World Christian Database: field definitions

Data source: Gina A. Zurlo, ed., World Christian Database (Leiden/Boston: Brill, 2026).

Table Field Description
people Ethnicity code The ethnicity code for the ethnicty or ethnocultural family of this people group.
people Ethnicity ID The ethnicity or ethnocultural family of this people group.
people Hindus Hindu population for this people group in this country. Followers of the main Hindu traditions: (a) Vaishnavites (Vishnaivites) numbering 70% of all Hindus; (b) Saivites numbering 25% mostly in South India; (c) Saktists or other sects (3%); (d) neo-Hindu movements and modern sects arising out of Hinduism, about 1.5%; and (e) Arya Samaj and other reformist movements, 0.5% (Brahmo Samaj, Prarthana Samaj, Swami-Narayanis, Ramakrishna Mission, but excluding Jains and Sikhs).
people Jains Jain population for this people group in this country. Followers of the Jain reform movement are from Hinduism, composed of the Svetambara and Digambara sects.
people Jews Jewish population for this people group in this country.
people Language ISO Language name.
people Language code Three letter ISO 639-3 language code.
people Language ID ID number of the primary language spoken by this people.
people Largest religion code Religion code of the largest religion of this people group.
people Largest religion percent Percentage of the largest religion of this people group.
people Muslims Muslim population for this people group in this country.
people New religionists New religionist population for this people group in this country.
people Note Additional descriptive data for this people group in this country.
people People % Persons in this people group as % country.
people People % 2000 Persons in this people group as % country in year 2000.
people People Name Name of this ethno-linguistic people group.
people People population Number of persons in this people group, in 2025.
people People reference number Unique reference number (primary key) for each people group.
people People with gospel access % The percentage of this people's population with access to the gospel.
people Pop 2000 Persons in this people group in year 2000.
people Pop 2050 Projected number of persons in this people group, in 2050.
people Reference name The autoglossonym (as used by its own speakers) of a language or dialect, or the cover name for groups of languages.
people Religion Note Percentage makeup by religion code.
people Religion note 2000 Percentage makeup by religion code.
people ROP2 ID Number of the ROP People cluster (which in turn is alloted to a top level Affinity Bloc).
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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.