200,000 in Philippines (2007 SIL), increasing. No monolinguals. Total users in all countries: 260,000.
Muslim Mindanao autonomous region, southern Sulu, Tawi-Tawi Island Province, Tawi-Tawi, Simunul, Sibutu, and other major islands.
Latin script [Latn].
Simunul is central, prestige dialect. Bongao dialect from political, economic center of Southern Sama. Muslim.