ISO Language Codes (639-1 and 693-2) and IETF Language Types

FilesSizeFormatCreatedUpdatedLicenseSource
456.7 kBcsv2 months agoOpen Data Commons Public Domain Dedication and License v1.0Library of Congress

Comprehensive language code information, consisting of ISO 639-1, ISO 639-2 and IETF language types. Data is taken from the Library of Congress as the ISO 639-2 Registration Authority, and from the...

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Data Files

FileDescriptionSizeLast modifiedDownload
language-codes
3.31 kB2 months ago
language-codes
language-codes-3b2
4.42 kB2 months ago
language-codes-3b2
language-codes-full
21 kB2 months ago
language-codes-full
ietf-language-tags
28 kBabout 1 month ago
ietf-language-tags

Data Previews

language-codes

Schema

nametypedescription
alpha2string2 letter alpha-2 code
EnglishstringEnglish name of language

language-codes-3b2

Schema

nametypedescription
alpha3-bstring3 letter alpha-3 bibliographic code
alpha2string2 letter alpha-2 code
EnglishstringEnglish name of language

language-codes-full

Schema

nametypedescription
alpha3-bstring3 letter alpha-3 bibliographic code
alpha3-tstring3 letter alpha-3 terminologic code (when given)
alpha2string2 letter alpha-2 code (when given)
EnglishstringEnglish name of language
FrenchstringFrench name of language

ietf-language-tags

Schema

nametypedescription
langstringIANA/Unicode language-tag-extension
langTypestringISO 2 letter alpha-2 language code
territorystringISO3166-1-Alpha-2 country code or cldr territory code where 001 is the World and 150 is Europe
revGenDatestringrevision date (format ISO data)
defsintegernumber of definitions
dftLangbooleanindicate the default-language, as unicode-cldr
filestringfile-name of the locale descriptor

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Description

Comprehensive language code information, consisting of ISO 639-1, ISO 639-2 and IETF language types.

Data

Data is taken from the Library of Congress as the ISO 639-2 Registration Authority, and from the Unicode Common Locale Data Repository.

data/language-codes.csv

This file contains the 184 languages with ISO 639-1 (alpha 2 / two letter) codes and their English names.

data/language-codes-3b2.csv

This file contains the 184 languages with both ISO 639-2 (alpha 3 / three letter) bibliographic codes and ISO 639-1 codes, and their English names.

data/language-codes-full.csv

This file is more exhaustive.

It contains all languages with ISO 639-2 (alpha 3 / three letter) codes, the respective ISO 639-1 codes (if present), as well as the English and French name of each language.

There are two versions of the three letter codes: bibliographic and terminologic. Each language has a bibliographic code but only a few languages have terminologic codes. Terminologic codes are chosen to be similar to the corresponding ISO 639-1 two letter codes.

Example from Wikipedia:

[…] the German language (Part 1: de) has two codes in Part 2: ger (T code) and deu (B code), whereas there is only one code in Part 2, eng, for the English language.

There are four special codes: mul, und, mis, zxx; and a reserved range qaa-qtz.

data/ietf-language-tags.csv

This file lists all IETF language tags of the official resource indicated by http://www.iana.org/assignments/language-tag-extensions-registry that into the /main folder of http://www.unicode.org/Public/cldr/latest/core.zip (project cldr.unicode.org).

Preparation

This dataset is automatically updated using Github Workflows using scripts to gather ietf-language-tags.csv and different language-codes data.

License

This material is licensed by its maintainers under the Public Domain Dedication and License (PDDL).

Nevertheless, it should be noted that this material is ultimately sourced from the Library of Congress as a Registration Authority for ISO and their licensing policies are somewhat unclear. As this is a short, simple database of facts, there is a strong argument that no rights can subsist in this collection.

However, if you intended to use these data in a public or commercial product, please check the original sources for any specific restrictions.

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