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Codes for constructed languages
List of strings identifying consciously devised languages in several standards

This is a list of ISO 639 codes and IETF language tags (BCP 47) for individual constructed languages, complete as of January 2023[update].

ISO 639-2 and ISO 639-5 also have the code art for artificial languages. The BCP 47 subtag x can be used to create a suitable private use tag for any constructed language that has not been assigned an official language tag (e.g., art-x-solresol could be used for Solresol).

The old SIL language identifiers (usually written in capitals) are officially obsolete and should no longer be used. They formed the basis of the ISO 639-3 language codes, but some SIL identifiers that had been retired before the establishment of ISO 639-3 were later assigned to different languages within ISO.

The IANA Language Subtag Registry (for IETF’s language tags defined in BCP 47) was updated on 29 July 2009 to include all ISO 639-3 and ISO 639-5 identifiers in use at that time.

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List of codes

LanguageISO639-123ISO639-245ISO639-36BCP 477Glottolog8
Afrihiliafhafhafhafri1275
Arcaicam Esperantomeo-arkaika
Balaibalan zbazbabala1318
Basic Englishen-basiceng
Blissymbolszblzblzblblis1239
Blissymbols with the limited Authorized Vocabulary defined by BCIzbl-bciav
Blissymbols as defined by Blissymbolics Communication Internationalzbl-bcizbl
Brithenigbztbztbrit1244
Dutton Speedwordsdwsdwsdutt1234
Efateseefat1235
Enochiani-enochian9
Eskayanesyesyeska1234
Esperantoeoepoepoeoespe1235
Esperanto with H-digraphseo-hsistemo
Esperanto with X-digraphseo-xsistemo
Europantoeur1011
Idoioidoidoioidoo1234
Interglossaigsigsinte1261
Interlingua (IALA)iainainaiainte1239
Interlingue (formerly Occidental)ieileileocc1213ieinte1262inte1260
Interslavicisvisvinte1263
Klingontlhtlhtlhi-klingon14klin1234
Kotavaavkavkkota1280
Láadanldnldnlaad1235
Latino sine flexionela-peano
Lingua Franca Novalfnlfnling1267
Lojbanjbojbojboart-lojban15lojb1234
Medefaidrindmfdmf
Neoneuneuneoa1234
Novialnovnovnovi1234
Original Volapükvo-rigik
Palawa kanipala1356
Quenyaqyaqyaquen1234
Romanovarmvrmvroma1338
Sindarinsjnsjnsind1281
Talossantzltzltalo1253
Toki Ponatoktoktoki1239
Volapükvovolvolvovo-nulikvola1234

BCP 47 has also reserved simple for simplified languages.

Writing systems

When a constructed language has multiple writing systems, the following BCP 47 tags can be used to differentiate between them.

LanguageScriptBCP 47
InterslavicLatinisv-Latn
Cyrillicisv-Cyrl
KlingonLatintlh-Latn
KLI pIqaDtlh-Piqd
Lingua Franca NovaLatinlfn-Latn
Cyrilliclfn-Cyrl
QuenyaLatinqya-Latn
Tengwarqya-Teng
Cirthqya-Cirt
Saratiqya-Sara
SindarinLatinsjn-Latn
Tengwarsjn-Teng
Cirthsjn-Cirt

(This table only includes primary writing systems of each language, so it does not include examples such as Esperanto written in the Shavian alphabet.)

See also

Notes

References

  1. "639 Identifier Documentation: art". Sil.org. 2019-02-03. https://iso639-3.sil.org/code/art

  2. "Codes for the Representation of Names of Languages". Library of Congress. 2013-01-11. https://www.loc.gov/standards/iso639-2/php/English_list.php

  3. "ISO 639 code tables: constructed". Sil.org. Retrieved 2019-02-03. https://iso639-3.sil.org/code_tables/639/data?title=&field_iso639_cd_st_mmbrshp_639_1_tid=All&name_3=&field_iso639_element_scope_tid=All&field_iso639_language_type_tid=36&items_per_page=100

  4. "Codes for the Representation of Names of Languages". Library of Congress. 2013-01-11. https://www.loc.gov/standards/iso639-2/php/English_list.php

  5. "ISO 639 code tables: constructed". Sil.org. Retrieved 2019-02-03. https://iso639-3.sil.org/code_tables/639/data?title=&field_iso639_cd_st_mmbrshp_639_1_tid=All&name_3=&field_iso639_element_scope_tid=All&field_iso639_language_type_tid=36&items_per_page=100

  6. "ISO 639 code tables: constructed". Sil.org. Retrieved 2019-02-03. https://iso639-3.sil.org/code_tables/639/data?title=&field_iso639_cd_st_mmbrshp_639_1_tid=All&name_3=&field_iso639_element_scope_tid=All&field_iso639_language_type_tid=36&items_per_page=100

  7. "IANA Language Subtag Registry". 2020-12-18. https://www.iana.org/assignments/language-subtag-registry/language-subtag-registry

  8. Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian (2021). Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian (eds.). "Pseudo Family: Artificial Language". Glottolog. 4.4. Leipzig, Germany: Max Planck Institute for Evolutionary Anthropology. doi:10.5281/zenodo.4761960. Retrieved 4 July 2021. /wiki/Harald_Hammarstr%C3%B6m

  9. The BCP 47 language tags i-enochian, i-klingon and art-lojban are old tags that were grandfathered in and are now deprecated.

  10. The ISO 639-3 standard previously included the code eur for Europanto, which was retired on 2009-01-16, with the reason “Nonexistent”.

  11. "639 Identifier Documentation: eur". Sil.org. 2019-02-03. https://iso639-3.sil.org/code/eur

  12. ISO 639-3 used to have the code occ for Occidental. This was retired on 18 July 2007, because Occidental is just another name for Interlingue, which has the code ile.

  13. "639 Identifier Documentation: occ". Sil.org. 2019-02-03. https://iso639-3.sil.org/code/occ

  14. The BCP 47 language tags i-enochian, i-klingon and art-lojban are old tags that were grandfathered in and are now deprecated.

  15. The BCP 47 language tags i-enochian, i-klingon and art-lojban are old tags that were grandfathered in and are now deprecated.