| name | Ethnologue status | language family | office | IETF | alphabet | ISO 6391 | ISO 6392 | ISO 6393 | speakers (people) | Manuscript | micronation | publisher | former country | is a dialect |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Croatian Sign Language | 5 Developing | French Sign Language family | csq | csq | 13,000 | Yes | ||||||||
| Istro-Romanian language | 7 Shifting | Indo-European languages | ruo | 1,000 | Yes | |||||||||
| Rusyn language | 6a Vigorous | Indo-European languages | - | - | rue | 62,500 | Yes | |||||||
| Chakavian | Indo-European languages | – | 660,000 | Yes | ||||||||||
| Shtokavian | Indo-European languages | – | 13,000,000 | Yes |