620, all users. L1 users: 600 (1998 SIL). L2 users: 20.
Papua province: Maberamo Raya regency, Bonoi, Poiwai, Tamakuri, and Warembori villages, Mamberamo river mouth west to Manini point.
Bonoi Buroro. Lexical similarity: 33% with Yoke [yki]. 30% Austronesian vocabulary.
Typology resembles Austronesian: SVO; prepositions; genitives before noun heads; articles, adjectives, numerals, relatives after noun heads; 1 prefix, 6 or more suffixes on a word; word order distinguishes subject, object, indirect object; topic (SVO) is for pragmatic salience; CV; nontonal.
Traditional religion, Christian.