World Christian Database: field definitions

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

Table Field Description
version_2020_country Offers per day Offers (disciple-opportunities) per day in the country. 'Offers' are a scientific count producing numbers of concrete disciple-opportunities, invitations, chances to hear the gospel and become disciples of Christ. This is a per year/ per capita figure for this country.
version_2020_country Official name Official name of country.
version_2020_country Orthodox Number of Affiliated Orthodox in this country. This includes Orthodoxy's 4 traditions: Eastern (Chalcedonian), Oriental (Pre-Chalcedonian, Non-Chalcedonian, Monophysite), Nestorian (Assyrian), and non-historical Orthodox.
version_2020_country Outreach per Chr 2025 Outreach per Christian in 2025: This value represents the number of evangelized non-Christians reached per Christian.
version_2020_country Outreach per Chr 2050 Outreach per Christian in 2050: This value represents the number of evangelized non-Christians reached per Christian.
version_2020_country Parachurch income pa The collective income earned by all parachurches in this country each year.
version_2020_country Pentecostal/Charismatics Pentecostals/Charismatics = Pentecostals + Charismatics + Independent Charismatics population in the country.
version_2020_country Pentecostals Number of Pentecostals (Classical Pentecostals) in the country. "Classical Pentecostals" is a blanket term for traditional types of Pentecostal (Pentecostal Apostolic, Oneness-Pentecostal, Baptistic Pentecostal, Holiness-Pentecostal, Perfectionist- Pentecostal), as contrasted with Neo-pentecostal, Catholic pentecostal, Non-White pentecostal, etc.
version_2020_country Peoples Total number of distinct ethnolinguistic people groups in this country. An 'ethnolinguistic people group' is an ethnic or racial group speaking its own language or mother tongue.
version_2020_country Physicians per K Number of physicians per thousand of the country's population. Primary source: World Health Organization (2017) (in HDR 2018: most recent year in the period 2007-2017).
version_2020_country Pop Density Number of persons living in a square kilometer in this country. Primary source: United Nations 2019.
version_2020_country Pop growth % p.a. 2025 Given current trends, by 2025, the country's natural population will increase annually at this percentage rate. A 'natural population increase' is determined by subtracting the number of deaths from the number of births in this country.
version_2020_country Pop growth % p.a. 2050 Given current trends, by 2050, the country's natural population will increase annually at this percentage rate. A 'natural population increase' is determined by subtracting the number of deaths from the number of births in this country.
version_2020_country Pop Growth 2025 Given current trends, the country's population will expand (or decrease, denoted by "-" sign) by this amount by 2025.
version_2020_country Pop Growth 2050 Given current trends, the country's population will expand (or decrease, denoted by "-" sign) by this amount by 2050.
version_2020_country Portion Achievement % Portions actually distributed over the past 10 years as a percentage of the desired goal for this country.
version_2020_country Portions Duplicate pa This figure represents the number of Gospels distributed either in New Testaments or Bibles each year in the country. In UBS (United Bible Societies) usage, portions are separately-bound single gospels or other complete single books of the Bible averaging over 48 pages in length.
version_2020_country Portions Goal This is the goal established for the number of Gospels to be available in the country. In UBS (United Bible Societies) usage, portions are separately-bound single gospels or other complete single books of the Bible averaging over 48 pages in length.
version_2020_country Portions Goal pa This many Gospels must be placed in the country each year in order to reach the desired goal. In UBS (United Bible Societies) usage, portions are separately-bound single gospels or other complete single books of the Bible averaging over 48 pages in length.
version_2020_country Portions in place Portions distributed in the past 10 yrs (= in place).
version_2020_country Portions languages count Count of ISO languages with a at least a book of the Bible translated.
version_2020_country Portions Other pa Number of Gospels distributed by agencies other than the United Bible Societies (UBS), each year in this country. In UBS usage, portions are separately-bound single gospels or other complete single books of the Bible averaging over 48 pages in length.
version_2020_country Portions Total pa Total number of Gospels distributed in this country by both the United Bible Societies (UBS) and other agencies. In UBS usage, portions are separately-bound single gospels or other complete single books of the Bible averaging over 48 pages in length.
version_2020_country Portions UBS pa Number of Gospels distributed each year by the United Bible Societies (UBS) in this country. In UBS usage, portions are separately-bound single gospels or other complete single books of the Bible averaging over 48 pages in length. (5 year average).
version_2020_country Priority Peoples This number represents the total of the top priority target peoples for this country. A 'target people' is an ethnolinguistic people which is the evangelistic focus of a Christian worker, missionary, couple, or small team seeking to benefit that people in measurable ways.
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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.