| name | Ethnologue status | language family | office | IETF | alphabet | ISO 6391 | ISO 6392 | ISO 6393 | speakers (people) | Manuscript | micronation | publisher | former country | is a dialect |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tai Lue language | 2 Provincial | Kra–Dai languages | Tai Tham script | khb | 280,000 | Yes | ||||||||
| Tai Nuea language | 4 Educational | Kra–Dai languages | tdd | Tai Tham script | Either:$#$tdd –Tai Nüa$#$thi –Tai Long | 650,000 | Yes | |||||||
| Northern Thai language | 3 Wider Communication | Kra–Dai languages | Tai Tham script | nod | 6,000,000 | Yes |