2,150 (1986 SIL). 290 in Yoliapi (1982 SIL). 1,600 monolinguals.
Enga province: Lagaip district; Sandaun province: Telefomin district; Southern Highlands province: Koroba district; Lagaip river area, mountains north of Duna [duc] and Ipili [ipi] language areas; south of Lagaip river northward to Central range high peaks (boundary between Sepik region and the highlands).
Upper Lagaip, Central Lagaip, Lower Lagaip, North Hewa.
Latin script [Latn].
Seminomadic. Traditional religion, Christian.