ISO Language Codes

Dataset Overview

Data Sources

• Data sourced from the Library of Congress (the registration authority for ISO 639‑2) and the Unicode Common Locale Data Repository.

Data Files

data/language-codes.csv

• Contains ISO 639‑1 (two‑letter) codes for 184 languages and their English names.

data/language-codes-3b2.csv

• Contains ISO 639‑2 (three‑letter) bibliographic codes, the corresponding ISO 639‑1 codes, and English names.

data/language-codes-full.csv

• Includes all ISO 639‑2 (three‑letter) codes, associated ISO 639‑1 codes (if any), and English and French names for each language.
• Two versions of three‑letter codes are present: bibliographic and terminologic. Every language has a bibliographic code; only a few have a terminologic code, which is designed to resemble the corresponding ISO 639‑1 two‑letter code.
• Includes four special codes: mul, und, mis, zxx; and a reserved range qaa‑qtz.

data/ietf-language-tags.csv

• Lists all IETF language tags, sourced from http://www.iana.org/assignments/language-tag-extensions-registry and included in the http://www.unicode.org/Public/cldr/latest/core.zip /main directory.

License

• This dataset is licensed under the Public Domain Dedication and License (PDDL).
• Users should check the original sources for any specific restrictions when using the data.