| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Ngindo | 470,000 | Niger-Congo | Bantoid | Matumbi | ||
| ● Rufiji | 428,000 | Niger-Congo | Bantoid | Matumbi | ||
| ● Matumbi | 207,000 | Niger-Congo | Bantoid | Matumbi | ||
| ● Ndengereko | 161,000 | Niger-Congo | Bantoid | Matumbi | ||
| ● Ndendeule | 146,000 | Niger-Congo | Bantoid | Matumbi | ||
| ● Mbunga | 62,000 | Niger-Congo | Bantoid | Matumbi | ||
| ● Nindi | 130 | Niger-Congo | Bantoid | Matumbi |