A language of Papua New Guinea

Alternate Names
Kasiwa, Kativa, Ningerum, Ninggirum, Ninggrum, Niyium, Obgwo, Tedi, Tidi

5,150 in Papua New Guinea (2000 census). 40% are monolingual. Population total all countries: 6,150.


Western Province between Ok Birim and Ok Tedi rivers, east of Ok Tedi to main road linking Kiunga and Tabubil, and north to the main mountain range. Also in Indonesia.

Language Status

5 (Developing).


Daupka, Kasuwa.

Language Use

Vigorous. All domains. All ages. Positive attitudes. 10% can use Hiri Motu [hmo], 5% English [eng], 50% Tok Pisin [tpi], 5% also use neighboring languages (Yongkom [yon], Faiwol [fai], Telefol [tlf]).

Language Development
Literacy rate in L1: 5%. Literacy rate in L2: 5%–15%. Taught in primary schools.
Latin script.
Other Comments

About half the population died 1950–1975 from western diseases. Traditional religion, Christian.

Also spoken in:

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