Data source: Gina A. Zurlo and Todd M. Johnson, eds., World Christian Database (Leiden/Boston: Brill, 2024).
| Glossary item | Definition |
|---|---|
| quasireligion | Seemingly or partially a religion; or a secular movement which is partly or virtually a religion, but is also either antireligious or nonreligious or pseudo-religious. |
| quasi-religionists | Adherents of quasi-religions. |
| quasi-religions | Secular movements which are partly, or are virtually, religions; divided here into anti-religious quasireligions (atheism, communism, dialectical materialism, Leninism, Maoism, Mantism, scientific materialism, Stalinism, et alia), and non-religious quasi-religions (some forms of agnosticism, fascism, humanism, liberal humanism, nationalism, Nazism, some forms of non-religion, some forms of secularism). |
| Quran | (Koran). The book of writings in Arabic accepted by Muslims as revelations made to Muhammad by Allah. |
| Quran translations | Languages into which the Quran has been translated: about 200 (25 European) by AD 2000 including Bengali, Chinese, Dutch, English Farsi, French, German, Gujarati, Hausa, Indonesian, Italian, Japanese, Javanese, Latin, Punjabi, Spanish, Swahili, Turkish, Urdu, Yoruba. |
| Quranic schools, Koranic schools | Elementary schools teaching only the Quran and memorizing passages. |
| R&D | Research and development, usually a budget item with a fixed percentage (1-10%) of a nation’s or a large organization’s annual income. |
| race | Biological grouping or stock, inherited at birth. |
| racism | A belief in the inherent superiority of one’s own race and its right to domination over others. |
| Radical Reformation | The Left-Wing Reformation; Anabaptists (qv). |
| Radical-Pentecostals | Perfectionist-Pentecostals (qv). |
| radio audiences | See radio listeners. |
| radio believers | See isolated radio believers. |
| radio churches | Groups or fellowships, meeting for Sunday worship, brought into being through hearing radio broadcasts. |
| radio converts | The number of converts to Christianity due to Christian broadcasting in the course of a month or a year. |
| radio letters | Annual listeners’ letters or other communications received by international and national Christian radio and TV stations and programs. |
| radio listeners | The regular listening or viewing audience in a country is made up of (a) listeners/viewers to Christian stations, and (b) listeners/viewers to Christian programs over secular, commercial or state radio/TV stations. |
| radio or TV denomination | A denomination (qv), or looselyorganized grouping of churches or believers, whose existence centers on regular radio or TV broadcasts of Sunday worship services. |
| radio stations | Broadcasting centers with transmitting plant and equipment. World total of Christian radio and TV stations:. |
| radio/TV-service listeners | Affiliated Christians who, for reasons of age, infirmity, sickness or absence of local churches, in place of physical church attendance instead regularly listen/view Sunday radio/TV services of worship once a week or once a month. |
| radiophonic school | A broadcasting network offering basic adult education in rural areas, with local teachers or postal feedback; mostly operated by Catholic dioceses in Latin American countries. |
| Raskolniks | (Russian, Schismatics). Old Believers (qv). |
| rationalist | An advocate of rationalism, reliance on reason as the basis for the establishment of any ultimate truth including religious truth. |
| reached | The state of having had the gospel brought to one or to a people. |
| reached | Having heard the gospel, understanding it, and having had the opportunity to respond by joining an indigenous church or fellowship of one’s own culture. |
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.