| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Iduna | 13,400 | Austronesian | Oceanic | Papuan Tip | Bwaidoga | |
| ● Bwaidoka | 9,360 | Austronesian | Oceanic | Papuan Tip | Bwaidoga | |
| ● Iamalele | 5,800 | Austronesian | Oceanic | Papuan Tip | Bwaidoga | |
| ● Molima | 5,010 | Austronesian | Oceanic | Papuan Tip | Bwaidoga | |
| ● Goodenough, West | 3,140 | Austronesian | Oceanic | Papuan Tip | Bwaidoga | |
| ● Koluwawa | 1,420 | Austronesian | Oceanic | Papuan Tip | Bwaidoga | |
| ● Maiadomu | 940 | Austronesian | Oceanic | Papuan Tip | Bwaidoga |