Data source: Gina A. Zurlo, ed., World Christian Database (Leiden/Boston: Brill, 2026).
| Table | Field | Description |
|---|---|---|
| version_2010_city | Religions over 1% | Religions over 1% in the city (rounded to integer). |
| version_2010_city | Version 2010 City ID | Unique identifier (primary key) used by the database. |
| version_2010_city | Version 2020 Country code | Four-letter abbreviation assigned to country for database purposes. |
| version_2010_city | Version 2020 Country ID | Country of this City. |
| version_2010_city | World evangelization code | A city is designated as 'A' 'Unevangelized' if less than 50% of its population is evangelized. It is designated 'B' 'Evangelized non-Christian if 50% or more of its population is evangelized and less than 60% Christian. It is designated 'C' 'Christian' if 60% or more of its population is Christian. |
| version_2010_martyr_situation | Country code list | Four-letter abbreviation assigned to country for database purposes (Version_2020 codes). |
| version_2010_martyr_situation | Global Christians | The total number of Christians of all types across the world alive at that time (expressed in millions). |
| version_2010_martyr_situation | Intensity | A quick reference scale (0-10) for the intensity of a martyrdom situation (a function of the number of those martyred as a percentage of the immediate Christian community ). |
| version_2010_martyr_situation | Local Christians | Local Christian population in that year and region, i.e. size of the related local Christian population to which columns 1-7 refer. Sometimes this means the total Christians in the country, of all denominations; sometimes it refers to a denominational or local grouping only. (Note: The only 3 exceptions are: 378 and 1648, where the figures of 120 million and 3,371 million refer to all Christians who ever lived up to that date; and 1697, where the figure refers to all Christians who have ever lived in Japan up to that date. |
| version_2010_martyr_situation | Locus | Place, country, or main area (using terminology of the time) where situation of persecution or martyrdoms occurred. |
| version_2010_martyr_situation | Magnitude | A quick reference scale (0-10) for the magnitude of a martyrdom situation (a function of the number of martyrs). |
| version_2010_martyr_situation | Major Tradition | The victim's major tradition (2nd level subdivision of Christianity). |
| version_2010_martyr_situation | Martyr Situation | Description of major martyrdom situation. Details of group of martyrs concerned, or persecution, or context, or circumstances. Names of a representative selection of 400 individual martyrs or groups are given throughout. |
| version_2010_martyr_situation | Martyr Year | Date of first martyrdoms in a collective martyrdom situation, or of first or beginning of a prolonged series extending over either a few or many subsequent years. |
| version_2010_martyr_situation | Martyrs | Estimated number of Christian martyrs resulting from situation described. |
| version_2010_martyr_situation | Persecutor 1 | Shows if the state or ruling regime is the primary persecuting body. |
| version_2010_martyr_situation | Persecutor 2 | Religion of the primary persecuting body. Any religious body, or no religious body, responsible or involved in killing the martyrs. |
| version_2010_martyr_situation | Tradition | Christian tradition, confession, or communion primarily involved as victims. |
| version_2010_martyr_situation | Version 2010 Martyr Situation ID | Unique identifier (primary key) used by the database. |
| version_2015_theological_education_directory | Abbreviation | Common acronym by which this organisation is known. |
| version_2015_theological_education_directory | Accreditation | see TED_Accrediting_Initials table for acronyms of the most common agencies. |
| version_2015_theological_education_directory | Affiliation detail | Affiliation to major Christian traditions. |
| version_2015_theological_education_directory | Affiliations | Affiliation to major Christian traditions. |
| version_2015_theological_education_directory | Business city | Business city. |
| version_2015_theological_education_directory | Business phone | Business phone. |
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.