| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Nalca | 16,600 | Trans-New Guinea | Mek | Western Mek | ||
| ● Korupun-Sela | 10,320 | Trans-New Guinea | Mek | Western Mek | ||
| ● Yale, Kosarek | 3,920 | Trans-New Guinea | Mek | Western Mek | ||
| ● Nipsan | 3,410 | Trans-New Guinea | Mek | Western Mek |