| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Suau | 9,750 | Austronesian | Oceanic | Papuan Tip | Suauic | |
| ● Saliba | 3,130 | Austronesian | Oceanic | Papuan Tip | Suauic | |
| ● Bwanabwana | 2,910 | Austronesian | Oceanic | Papuan Tip | Suauic | |
| ● Auhelawa | 2,120 | Austronesian | Oceanic | Papuan Tip | Suauic | |
| ● Buhutu | 1,800 | Austronesian | Oceanic | Papuan Tip | Suauic | |
| ● Yaleba | 1,660 | Austronesian | Oceanic | Papuan Tip | Suauic | |
| ● Wagawaga | 850 | Austronesian | Oceanic | Papuan Tip | Suauic | |
| ● Oya'oya | 710 | Austronesian | Oceanic | Papuan Tip | Suauic | |
| ● Unubahe | 7 | Austronesian | Oceanic | Papuan Tip | Suauic |