| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Kurdish, Northern | 15,264,280 | Indo-European | Iranian | Northwestern Iranian | Kurdish | |
| ● Kurdish, Central | 5,074,720 | Indo-European | Iranian | Northwestern Iranian | Kurdish | |
| ● Kurdish, Southern | 3,547,000 | Indo-European | Iranian | Northwestern Iranian | Kurdish | |
| ● Laki | 1,161,000 | Indo-European | Iranian | Northwestern Iranian | Kurdish |