Alternate Names: Kasiwa, Kativa, Ningerum, Ninggirum, Ninggrum, Niyium, Obgwo, Tedi, Tidi
Dialects: Daupka, Kasuwa.
Genealogy:
Demographics: 5,150 in Papua New Guinea (2000 census). Population total all countries: 6,150. 2,060 monolinguals.
Language Use: Vigorous. All domains. All ages. Positive attitudes. 5% also use English [eng]. 10% also use Hiri Motu [hmo]. 50% also use Tok Pisin [tpi]. Also use Faiwol [fai], Telefol [tlf], Yongkom [yon].
Language Development: Literacy rate in L1: 5%. Literacy rate in L2: 5%–15%. Taught in primary schools.
Writing System: Latin
Nation of Origin: Papua New Guinea
Other Comments: About half the population died 1950–1975 from western diseases. Traditional religion, Christian.