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ISO language codes

SurveyLab allows you to set the language for each respondent in the Contacts. Languages are defined with a two or three-letter ISO 639-1 code (e.g. en, pl, cz, ar). This feature allows you to send a survey in a defined language.

ISO codes for supported languages

LanguageISO code
Afrikaansaf
Albaniansq
Arabicar
Belarusianbe
Bengalibn
Bosnianbs
Bulgarianbg
Catalanca
Chinesezh
Chinesezh
Chinese Traditionalzh-cht
Croatianhr
Czechcz
Cymraegcy
Danishda
Danishda
Dutchnl
Englishen
English UKen-uk
English USen-us
Estonianet
Finishfi
Frenchfr
Georgianka
Germande
Greek el
Hebrewhe
Hindihi
Hmonghmn
Hungarianhu
Indonesianid
Irishga
Italianit
Japaneseja
Kazakhkk
Khmerkm
Koreanko
Latvianlv
Lithuanianlt
Macedonianmk
Mongolianmn
Montenegrincnr
Norwegianno
Pashtops
Persianfa
Polishpl
Portuguesept
Romanianro
Russianru
Russianru
Serbiansr
Serbian (Cyrillic)sr-cyrl
Serbian (Latin)sr-latn
Singhalasi
Slovaksk
Sloveniansl
Soomaaliso
Spanishes
Spanish Mexicanes-mx
Swedishsv
Tagalogtl
Tamilta
Thaith
Turkishtr
Ukrainianuk
Urduur
Uzbekuz
Vietnamesevi
Zuluzu

Check the full list of codes at https://www.loc.gov/standards/iso639-2/php/code_list.php