L1 users: 10,000 (2015 KadazanDusun Cultural Association), decreasing. Ethnic population: 22,000 (2015 KadazanDusun Cultural Association).
Sabah state: Kuala Penyu district, Beaufort (Kg. Manamam, Kg. Takuli), Kelang Valley, Keningau, Klias Kecil, Kota Kinabalu, Labuan, and Membakut.
Mixed use: Home, Friends, Religion, Work. Some children and adults; all elderly. Positive attitudes. All also use Sabah Malay [msi]. Many also use Brunei [kxd], Sabah Bisaya [bsy], Standard Malay [zsm]. Some also use English [eng], Kadazan Dusun [dtp]. A few also use Hakka Chinese [hak]. Used as L2 by Brunei [kxd], Klias River Kadazan [kqt], Papar [dpp], Sabah Bisaya [bsy], West Coast Bajau [bdr].
Latin script [Latn], developed in the mid-1980s.