| Code | Display | Definition | deprecated | deprecated | Deutsch (German, de) |
| A | Atheist | Atheist | 2.9, 2.9 | 2.9, 2.9 | Atheist |
| B | Baptist | Baptist | 2.9, 2.9 | 2.9, 2.9 | Baptist |
| C | Catholic | Catholic | 2.9, 2.9 | 2.9, 2.9 | Katholik |
| E | Episcopalian | Episcopalian | 2.9, 2.9 | 2.9, 2.9 | Episkopale |
| J | Judaism | Judaism | 2.9, 2.9 | 2.9, 2.9 | Jude |
| L | Lutheran | Lutheran | 2.9, 2.9 | 2.9, 2.9 | Lutheraner |
| M | Church of Latter Day Saints (Mormon) | Church of Latter Day Saints (Mormon) | 2.9, 2.9 | 2.9, 2.9 | Mormone |
| N | Hindu | Hindu | 2.9, 2.9 | 2.9, 2.9 | Hinduist |
| P | Protestant | Protestant | 2.9, 2.9 | 2.9, 2.9 | Protestant |
| AGN | Agnostic | Agnostic | | | |
| ATH | Atheist | Atheist | | | Atheist |
| BAH | Baha'i | Baha'i | | | |
| BRE | Brethren | Brethren | | | |
| BUD | Buddhist | Buddhist | | | Buddhist |
| BMA | Buddhist: Mahayana | Buddhist: Mahayana | | | |
| BTH | Buddhist: Theravada | Buddhist: Theravada | | | |
| BTA | Buddhist: Tantrayana | Buddhist: Tantrayana | | | |
| BOT | Buddhist: Other | Buddhist: Other | | | |
| CFR | Chinese Folk Religionist | Chinese Folk Religionist | | | |
| CHR | Christian | Christian | | | |
| ABC | Christian: American Baptist Church | Christian: American Baptist Church | | | |
| AMT | Christian: African Methodist Episcopal | Christian: African Methodist Episcopal | | | |
| AME | Christian: African Methodist Episcopal Zion | Christian: African Methodist Episcopal Zion | | | |
| ANG | Christian: Anglican | Christian: Anglican | | | |
| AOG | Christian: Assembly of God | Christian: Assembly of God | | | |
| BAP | Christian: Baptist | Christian: Baptist | | | |
| CRR | Christian: Christian Reformed | Christian: Christian Reformed | | | |
| CHS | Christian: Christian Science | Christian: Christian Science | | | |
| CMA | Christian: Christian Missionary Alliance | Christian: Christian Missionary Alliance | | | |
| COC | Christian: Church of Christ | Christian: Church of Christ | | | |
| COG | Christian: Church of God | Christian: Church of God | | | |
| COI | Christian: Church of God in Christ | Christian: Church of God in Christ | | | |
| COM | Christian: Community | Christian: Community | | | |
| COL | Christian: Congregational | Christian: Congregational | | | |
| EOT | Christian: Eastern Orthodox | Christian: Eastern Orthodox | | | |
| EVC | Christian: Evangelical Church | Christian: Evangelical Church | | | evangelisch |
| EPI | Christian: Episcopalian | Christian: Episcopalian | | | |
| FWB | Christian: Free Will Baptist | Christian: Free Will Baptist | | | |
| FRQ | Christian: Friends | Christian: Friends | | | |
| FUL | Christian: Full Gospel | Christian: Full Gospel | | | |
| GRE | Christian: Greek Orthodox | Christian: Greek Orthodox | | | |
| JWN | Christian: Jehovah's Witness | Christian: Jehovah's Witness | | | |
| MOM | Christian: Latter-day Saints | Christian: Latter-day Saints | | | |
| LUT | Christian: Lutheran | Christian: Lutheran | | | |
| LMS | Christian: Lutheran Missouri Synod | Christian: Lutheran Missouri Synod | | | |
| MEN | Christian: Mennonite | Christian: Mennonite | | | |
| MET | Christian: Methodist | Christian: Methodist | | | |
| NAZ | Christian: Church of the Nazarene | Christian: Church of the Nazarene | | | |
| ORT | Christian: Orthodox | Christian: Orthodox | | | |
| PEN | Christian: Pentecostal | Christian: Pentecostal | | | |
| COP | Christian: Other Pentecostal | Christian: Other Pentecostal | | | |
| PRE | Christian: Presbyterian | Christian: Presbyterian | | | |
| PRO | Christian: Protestant | Christian: Protestant | | | Protestant |
| PRC | Christian: Other Protestant | Christian: Other Protestant | | | |
| QUA | Christian: Friends | Christian: Friends | 2.9, 2.9 | 2.9, 2.9 | |
| REC | Christian: Reformed Church | Christian: Reformed Church | | | |
| REO | Christian: Reorganized Church of Jesus Christ-LDS | Christian: Reorganized Church of Jesus Christ-LDS | | | |
| CAT | Christian: Roman Catholic | Christian: Roman Catholic | | | römisch-katholisch |
| SAA | Christian: Salvation Army | Christian: Salvation Army | | | |
| SEV | Christian: Seventh Day Adventist | Christian: Seventh Day Adventist | | | |
| SOU | Christian: Southern Baptist | Christian: Southern Baptist | | | |
| UCC | Christian: United Church of Christ | Christian: United Church of Christ | | | |
| UMD | Christian: United Methodist | Christian: United Methodist | | | |
| UNI | Christian: Unitarian | Christian: Unitarian | | | |
| UNU | Christian: Unitarian Universalist | Christian: Unitarian Universalist | | | |
| WES | Christian: Wesleyan | Christian: Wesleyan | | | |
| WMC | Christian: Wesleyan Methodist | Christian: Wesleyan Methodist | | | |
| COT | Christian: Other | Christian: Other | | | |
| CNF | Confucian | Confucian | | | |
| DOC | Disciples of Christ | Disciples of Christ | | | |
| ERL | Ethnic Religionist | Ethnic Religionist | | | |
| HIN | Hindu | Hindu | | | Hindu |
| HSH | Hindu: Shaivites | Hindu: Shaivites | | | |
| HVA | Hindu: Vaishnavites | Hindu: Vaishnavites | | | |
| HOT | Hindu: Other | Hindu: Other | | | |
| JAI | Jain | Jain | | | |
| JEW | Jewish | Jewish | | | jüdisch |
| JCO | Jewish: Conservative | Jewish: Conservative | | | |
| JOR | Jewish: Orthodox | Jewish: Orthodox | | | |
| JRC | Jewish: Reconstructionist | Jewish: Reconstructionist | | | |
| JRF | Jewish: Reform | Jewish: Reform | | | |
| JRN | Jewish: Renewal | Jewish: Renewal | | | |
| JOT | Jewish: Other | Jewish: Other | | | |
| MOS | Muslim | Muslim | | | Muslim |
| MSH | Muslim: Shiite | Muslim: Shiite | | | |
| MSU | Muslim: Sunni | Muslim: Sunni | | | |
| MOT | Muslim: Other | Muslim: Other | | | |
| NAM | Native American | Native American | | | |
| NRL | New Religionist | New Religionist | | | |
| NOE | Nonreligious | Nonreligious | | | nicht-religiös |
| SHN | Shintoist | Shintoist | | | |
| SIK | Sikh | Sikh | | | Sikh |
| SPI | Spiritist | Spiritist | | | |
| OTH | Other | Other | | | andere |
| VAR | Unknown | Unknown | | | unbekannt |