| name | Ethnologue status | language family | office | IETF | alphabet | ISO 6391 | ISO 6392 | ISO 6393 | speakers (people) | Manuscript | micronation | publisher | former country | is a dialect |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Japanese language | 1 National | Japonic languages | Kanji | ja | jpn | jpn | 125,000,000 | Dragon Jr., Gangan Comics, Shonen GanGan | Yes | |||||
| Kunigami language | 7 Shifting | Japonic languages | xug | xug | 5,000 | Yes | ||||||||
| Miyakoan language | 8a Moribund | Japonic languages | mvi | mvi | 67,700 | Yes | ||||||||
| Okinawan language | 7 Shifting | Japonic languages | Okinawan scripts | ryu | 980,000 | Yes | ||||||||
| Okinoerabu dialect cluster | 7 Shifting | Japonic languages | okn | okn | 3,200 | Yes |