| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Dobu | 15,700 | Austronesian | Oceanic | Papuan Tip | Dobu-Duau | |
| ● Bunama | 7,800 | Austronesian | Oceanic | Papuan Tip | Dobu-Duau | |
| ● Duau | 7,240 | Austronesian | Oceanic | Papuan Tip | Dobu-Duau | |
| ● Sewa Bay | 4,590 | Austronesian | Oceanic | Papuan Tip | Dobu-Duau | |
| ● Galeya | 3,090 | Austronesian | Oceanic | Papuan Tip | Dobu-Duau | |
| ● Boselewa | 960 | Austronesian | Oceanic | Papuan Tip | Dobu-Duau | |
| ● Mwatebu | 170 | Austronesian | Oceanic | Papuan Tip | Dobu-Duau |