About the 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

Field Information

Field Name Order Type (Format) Description lang 1 string IANA/Unicode language-tag-extension langType 2 string ISO 2 letter alpha-2 language code territory 3 string ISO3166-1-Alpha-2 country code or cldr territory code where 001 is the World and 150 is Europe revGenDate 4 string revision date (format ISO data) defs 5 integer number of definitions dftLang 6 boolean indicate the default-language, as unicode-cldr file 7 string file-name of the locale descriptor