| 639-1 | 639-2 | Language | Native Name | Script | |
|---|---|---|---|---|---|
| aa | aar | Afar | Afaraf | Latin | |
| ab | abk | Abkhazian | Аҧсшәа | Cyrillic | |
| af | afr | Afrikaans | Afrikaans | Latin | |
| ak | aka | Akan | Akan | Latin | |
| am | amh | Amharic | አማርኛ | Ethiopic | |
| ar | ara | Arabic | العربية | Arabic | |
| as | asm | Assamese | অসমীয়া | Bengali | |
| av | ava | Avaric | авар мацӀ | Cyrillic | |
| ay | aym | Aymara | aymar aru | Latin | |
| az | aze | Azerbaijani | azərbaycan dili | Latin | |
| ba | bak | Bashkir | башҡорт теле | Cyrillic | |
| be | bel | Belarusian | беларуская мова | Cyrillic | |
| bg | bul | Bulgarian | български език | Cyrillic | |
| bh | bih | Bihari | भोजपुरी | Devanagari | |
| bi | bis | Bislama | Bislama | Latin | |
| bm | bam | Bambara | bamanankan | Latin | |
| bn | ben | Bengali | বাংলা | Bengali | |
| bo | tib | Tibetan | བོད་ཡིག | Tibetan | |
| br | bre | Breton | brezhoneg | Latin | |
| bs | bos | Bosnian | bosanski jezik | Latin | |
| ca | cat | Catalan | Català | Latin | |
| ce | che | Chechen | нохчийн мотт | Cyrillic | |
| ch | cha | Chamorro | Chamoru | Latin | |
| co | cos | Corsican | corsu | Latin | |
| cs | cze | Czech | čeština | Latin | |
| cu | chu | Church Slavic | ѩзыкъ словѣньскъ | Cyrillic | |
| cv | chv | Chuvash | чӑваш чӗлхи | Cyrillic | |
| cy | wel | Welsh | Cymraeg | Latin | |
| da | dan | Danish | dansk | Latin | |
| de | ger | German | Deutsch | Latin | |
| dv | div | Divehi | Dhivehi | Thaana | |
| dz | dzo | Dzongkha | རྫོང་ཁ | Tibetan | |
| ee | ewe | Ewe | Eʋegbe | Latin | |
| el | gre | Greek | Ελληνικά | Greek | |
| en | eng | English | English | Latin | |
| eo | epo | Esperanto | Esperanto | Latin | |
| es | spa | Spanish | Español | Latin | |
| et | est | Estonian | eesti keel | Latin | |
| eu | baq | Basque | euskara | Latin | |
| fa | per | Persian | فارسی | Arabic | |
| ff | ful | Fula | Fulfulde | Latin | |
| fi | fin | Finnish | suomen kieli | Latin | |
| fj | fij | Fijian | Vakaviti | Latin | |
| fo | fao | Faroese | føroyskt | Latin | |
| fr | fre | French | Français | Latin | |
| fy | fry | West Frisian | Frysk | Latin | |
| ga | gle | Irish | Gaeilge | Latin | |
| gd | gla | Scottish Gaelic | Gàidhlig | Latin | |
| gl | glg | Galician | Galego | Latin | |
| gn | grn | Guaraní | Avañe'ẽ | Latin | |
| gu | guj | Gujarati | ગુજરાતી | Gujarati | |
| gv | glv | Manx | Gaelg | Latin | |
| ha | hau | Hausa | هَوُسَ | Arabic | |
| he | heb | Hebrew | עברית | Hebrew | |
| hi | hin | Hindi | हिन्दी | Devanagari | |
| ho | hmo | Hiri Motu | Hiri Motu | Latin | |
| hr | hrv | Croatian | Hrvatski | Latin | |
| ht | hat | Haitian Creole | Kreyòl ayisyen | Latin | |
| hu | hun | Hungarian | Magyar | Latin | |
| hy | arm | Armenian | Հայերեն | Armenian | |
| hz | her | Herero | Otjiherero | Latin | |
| ia | ina | Interlingua | Interlingua | Latin | |
| id | ind | Indonesian | Bahasa Indonesia | Latin | |
| ig | ibo | Igbo | Asụsụ Igbo | Latin | |
| ii | iii | Sichuan Yi | ꆈꌠ꒿ | Yi | |
| ik | ipk | Inupiaq | Iñupiaq | Latin | |
| io | ido | Ido | Ido | Latin | |
| is | ice | Icelandic | Íslenska | Latin | |
| it | ita | Italian | Italiano | Latin | |
| iu | iku | Inuktitut | ᐃᓄᒃᑎᑐᑦ | Canadian Aboriginal | |
| ja | jpn | Japanese | 日本語 | Japanese | |
| jv | jav | Javanese | ꦧꦱꦗꦮ | Javanese | |
| ka | geo | Georgian | ქართული | Georgian | |
| kg | kon | Kongo | Kikongo | Latin | |
| ki | kik | Kikuyu | Gĩkũyũ | Latin | |
| kj | kua | Kwanyama | Kuanyama | Latin | |
| kk | kaz | Kazakh | қазақ тілі | Cyrillic | |
| kl | kal | Kalaallisut | kalaallisut | Latin | |
| km | khm | Khmer | ភាសាខ្មែរ | Khmer | |
| kn | kan | Kannada | ಕನ್ನಡ | Kannada | |
| ko | kor | Korean | 한국어 | Hangul | |
| kr | kau | Kanuri | Kanuri | Latin | |
| ks | kas | Kashmiri | कश्मीरी | Devanagari | |
| ku | kur | Kurdish | Kurdî | Latin | |
| kv | kom | Komi | коми кыв | Cyrillic | |
| kw | cor | Cornish | Kernewek | Latin | |
| ky | kir | Kyrgyz | Кыргызча | Cyrillic | |
| la | lat | Latin | latine | Latin | |
| lb | ltz | Luxembourgish | Lëtzebuergesch | Latin | |
| lg | lug | Ganda | Luganda | Latin | |
| li | lim | Limburgan | Limburgs | Latin | |
| ln | lin | Lingala | Lingála | Latin | |
| lo | lao | Lao | ພາສາລາວ | Lao | |
| lt | lit | Lithuanian | Lietuvių kalba | Latin | |
| lu | lub | Luba-Katanga | Tshiluba | Latin | |
| lv | lav | Latvian | Latviešu valoda | Latin | |
| mg | mlg | Malagasy | Fiteny malagasy | Latin | |
| mh | mah | Marshallese | Kajin M̧ajeļ | Latin | |
| mi | mao | Māori | te reo Māori | Latin | |
| mk | mac | Macedonian | Македонски јазик | Cyrillic | |
| ml | mal | Malayalam | മലയാളം | Malayalam | |
| mn | mon | Mongolian | Монгол хэл | Cyrillic | |
| mr | mar | Marathi | मराठी | Devanagari | |
| ms | may | Malay | Bahasa Melayu | Latin | |
| mt | mlt | Maltese | Malti | Latin | |
| my | bur | Burmese | ဗမာစာ | Myanmar | |
| na | nau | Nauru | Ekakairũ Naoero | Latin | |
| nb | nob | Norwegian Bokmål | Norsk Bokmål | Latin | |
| nd | nde | North Ndebele | isiNdebele | Latin | |
| ne | nep | Nepali | नेपाली | Devanagari | |
| ng | ndo | Ndonga | Owambo | Latin | |
| nl | dut | Dutch | Nederlands | Latin | |
| nn | nno | Norwegian Nynorsk | Norsk Nynorsk | Latin | |
| no | nor | Norwegian | Norsk | Latin | |
| nr | nbl | South Ndebele | isiNdebele | Latin | |
| nv | nav | Navajo | Diné bizaad | Latin | |
| ny | nya | Chichewa | chiCheŵa | Latin | |
| oc | oci | Occitan | Occitan | Latin | |
| oj | oji | Ojibwe | ᐊᓂᔑᓈᐯᒧᐎᓐ | Canadian Aboriginal | |
| om | orm | Oromo | Afaan Oromoo | Latin | |
| or | ori | Odia | ଓଡ଼ିଆ | Odia | |
| os | oss | Ossetic | ирон æвзаг | Cyrillic | |
| pa | pan | Punjabi | ਪੰਜਾਬੀ | Gurmukhi | |
| pi | pli | Pāli | पाऴि | Devanagari | |
| pl | pol | Polish | Polski | Latin | |
| ps | pus | Pashto | پښتو | Arabic | |
| pt | por | Portuguese | Português | Latin | |
| qu | que | Quechua | Runa Simi | Latin | |
| rm | roh | Romansh | Rumantsch Grischun | Latin | |
| rn | run | Kirundi | Ikirundi | Latin | |
| ro | rum | Romanian | Română | Latin | |
| ru | rus | Russian | Русский | Cyrillic | |
| rw | kin | Kinyarwanda | Ikinyarwanda | Latin | |
| sa | san | Sanskrit | संस्कृतम् | Devanagari | |
| sc | srd | Sardinian | sardu | Latin | |
| sd | snd | Sindhi | सिन्धी | Devanagari | |
| se | sme | Northern Sami | Davvisámegiella | Latin | |
| sg | sag | Sango | yângâ tî sängö | Latin | |
| si | sin | Sinhala | සිංහල | Sinhala | |
| sk | slo | Slovak | Slovenčina | Latin | |
| sl | slv | Slovenian | Slovenščina | Latin | |
| sm | smo | Samoan | gagana fa'a Samoa | Latin | |
| sn | sna | Shona | chiShona | Latin | |
| so | som | Somali | Soomaaliga | Latin | |
| sq | alb | Albanian | Shqip | Latin | |
| sr | srp | Serbian | српски | Cyrillic | |
| ss | ssw | Swati | SiSwati | Latin | |
| st | sot | Southern Sotho | Sesotho | Latin | |
| su | sun | Sundanese | Basa Sunda | Latin | |
| sv | swe | Swedish | Svenska | Latin | |
| sw | swa | Swahili | Kiswahili | Latin | |
| ta | tam | Tamil | தமிழ் | Tamil | |
| te | tel | Telugu | తెలుగు | Telugu | |
| tg | tgk | Tajik | тоҷикӣ | Cyrillic | |
| th | tha | Thai | ไทย | Thai | |
| ti | tir | Tigrinya | ትግርኛ | Ethiopic | |
| tk | tuk | Turkmen | Türkmen | Latin | |
| tl | tgl | Tagalog | Wikang Tagalog | Latin | |
| tn | tsn | Tswana | Setswana | Latin | |
| to | ton | Tongan | Faka Tonga | Latin | |
| tr | tur | Turkish | Türkçe | Latin | |
| ts | tso | Tsonga | Xitsonga | Latin | |
| tt | tat | Tatar | татар теле | Cyrillic | |
| tw | twi | Twi | Twi | Latin | |
| ty | tah | Tahitian | Reo Tahiti | Latin | |
| ug | uig | Uyghur | ئۇيغۇرچە | Arabic | |
| uk | ukr | Ukrainian | Українська | Cyrillic | |
| ur | urd | Urdu | اردو | Arabic | |
| uz | uzb | Uzbek | O'zbek | Latin | |
| ve | ven | Venda | Tshivenḓa | Latin | |
| vi | vie | Vietnamese | Tiếng Việt | Latin | |
| vo | vol | Volapük | Volapük | Latin | |
| wa | wln | Walloon | Walon | Latin | |
| wo | wol | Wolof | Wollof | Latin | |
| xh | xho | Xhosa | isiXhosa | Latin | |
| yi | yid | Yiddish | ייִדיש | Hebrew | |
| yo | yor | Yoruba | Yorùbá | Latin | |
| za | zha | Zhuang | Saɯ cueŋƅ | Latin | |
| zh | zho | Chinese | 中文 | Chinese | |
| zu | zul | Zulu | isiZulu | Latin |