| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Spanish | 419,369,960 | Indo-European | Italic | Ibero-Romance | Castilian | |
| ● Extremaduran | 1,261,000 | Indo-European | Italic | Ibero-Romance | Castilian | |
| ● Ladino | 55,540 | Indo-European | Italic | Ibero-Romance | Castilian | |
| ● Spanish, Loreto-Ucayali | 3,090 | Indo-European | Italic | Ibero-Romance | Castilian |