| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Italian | 43,541,750 | Indo-European | Italic | Italo-Dalmatian | ||
| ● Napoletano-Calabrese | 5,356,000 | Indo-European | Italic | Italo-Dalmatian | ||
| ● Sicilian | 4,417,000 | Indo-European | Italic | Italo-Dalmatian | ||
| ● Judeo-Italian | 26,500 | Indo-European | Italic | Italo-Dalmatian | ||
| ● Istriot | 24,200 | Indo-European | Italic | Italo-Dalmatian |