| name | Ethnologue status | language family | office | IETF | alphabet | ISO 6391 | ISO 6392 | ISO 6393 | speakers (people) | Manuscript | micronation | publisher | former country | is a dialect |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Katu language | 6a Vigorous | Austroasiatic languages | kuf | Lao script | kuf | 23,000 | Yes | |||||||
| Khmu language | 5 Developing | Austroasiatic languages | kjg | Lao script | Either:$#$kjg –Khmu$#$khf –Khmu Khwen[1] | 710,000 | Yes | |||||||
| Lao language | 1 National | Kra–Dai languages | Lao script | lo | lao | Either:$#$lao –Laotian Lao$#$tts –Isan (Thailand Lao) [Isan_language] | 6,000,000 | Yes | ||||||
| Bru language | Austroasiatic languages | Lao script | Variously:$#$bru –Eastern Bru$#$brv –Western Bru$#$sss –Sô$#$xhv –Khua | 425,000 | Yes |