| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Ap Ma | 11,300 | Sepik-Ramu | Grass | Grass Proper | ||
| ● Abu | 6,050 | Sepik-Ramu | Grass | Grass Proper | ||
| ● Banaro | 4,810 | Sepik-Ramu | Grass | |||
| ● Ambakich | 1,030 | Sepik-Ramu | Grass | Grass Proper | ||
| ● Gorovu | 20 | Sepik-Ramu | Grass | Grass Proper |