| name | Ethnologue status | language family | office | IETF | alphabet | ISO 6391 | ISO 6392 | ISO 6393 | speakers (people) | Manuscript | micronation | publisher | former country | is a dialect |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hungarian Sign Language | 5 Developing | French Sign Language family | hsh | hsh | 9,000 | Yes | ||||||||
| Rusyn language | 6a Vigorous | Indo-European languages | - | - | rue | 62,500 | Yes | |||||||
| Slovak language | 1 National | Indo-European languages | Latin script | sk | slo (B)$#$slk (T) | slk | 5,200,000 | Yes | ||||||
| Slovene language | 1 National | Indo-European languages | Latin script | sl | slv | slv | 2,500,000 | Yes | ||||||
| Croatian language | 1 National | Slavic languages | Gaj's Latin alphabet | hr | hrv | hrv | 5 | Yes |