||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 the main road linking Kiunga and Tabubil, and north to the main mountain range. Also in Indonesia (Papua).
Papua New Guinea, Map 5, reference number 233
Papua New Guinea, Map 8, reference number 233
||Kasiwa, Kativa, Ningerum, Ninggirum, Ninggrum, Niyium, Obgwo, Tedi, Tidi
||Trans-New Guinea, Ok-Awyu, Ok, Lowland
||Vigorous. All domains. All ages. Positive attitude. 10% can use Hiri Motu [hmo], 5% English, 50% Tok Pisin [tpi], 5% also use neighboring languages (Yonggom [yon], Faiwol [fsi], Telefol [tlf]).
||Literacy rate in L1: 5%. Literacy rate in L2: 5%–15%. Taught in primary schools.
||About half the population died 1950–1975 from western diseases. Swidden agriculturalists; copper mine workers; lumbermen; animal husbandry: pigs, chickens, fish, rabbits; market gardening. Traditional religion, Christian.