215,000 in Brunei (1984 SIL), increasing.
Bandar Seri Bagawan; Mara District, Kedayan; the coastal strip; Tutong District. Also in Malaysia.
3 (Wider communication). De facto national working language.
Brunei Malay, Kampong Ayer, Kedayan (Kadaian, Kadayan, Kadian, Kadien, Kadyan, Karayan, Kedien, Kedyan, Kerayan). Lexical similarity: 94%–95% between Brunei and the Kampong Ayer dialects, 80%–82% with Standard Malay [zsm].
Vigorous. Used in Bandar Seri Begawan and surrounding areas, and by young people and educated older people from different language or dialect backgrounds. All ages. Positive attitudes. Also use Standard Malay [zsm].
Brunei and Kadayan are recognized indigenous groups. Ethnic autonym: Orang Bukit. Muslim.