| 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 | |||||
| Kansai dialect | Japonic languages | ja[1] | Kanji | – | 22,000,000 | Yes | ||||||||
| Kyowa-go | Japonic languages | Kanji | Yes | |||||||||||
| Late Middle Japanese | Japonic languages | Kanji | Yes | |||||||||||
| Old Japanese | Japonic languages | Kanji | [Nota 1] ojp[Nota 1] (EN) | Yes |