| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Punu | 179,500 | Niger-Congo | Bantoid | Sira | ||
| ● Sira | 54,600 | Niger-Congo | Bantoid | Sira | ||
| ● Lumbu | 31,770 | Niger-Congo | Bantoid | Sira | ||
| ● Sangu | 28,900 | Niger-Congo | Bantoid | Sira | ||
| ● Barama | 11,100 | Niger-Congo | Bantoid | Sira | ||
| ● Vumbu | 3,630 | Niger-Congo | Bantoid | Sira |