| name | Ethnologue status | language family | office | IETF | alphabet | ISO 6391 | ISO 6392 | ISO 6393 | speakers (people) | Manuscript | micronation | publisher | former country | is a dialect |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Northwest Maidu language | 9 Dormant | Maiduan languages | mjd | mjd | 3 | Yes | ||||||||
| Maidu language | 9 Dormant | Maiduan languages | nmu | nmu | Yes | |||||||||
| Chico language | 10 Extinct | Maiduan languages | vmv | Yes |