20,000 (1998 SIL).
Zamboanga Peninsula region: Zamboanga del Norte province, Sulu Sea coast, Kanapun area to Liloy, also Sibuco to Siocon; Zamboanga del Sur province, Sibuguey bay head, Ipil and inland to Kabasalan; Zamboanga City, south from north provincial border to Curuan.
None known. Reportedly similar to Western Subanon [suc], but limitations on inherent intelligibility between them. Lexical and grammatical differences.
VSO; prepositions; genitives after noun heads; articles, adjectives, and numerals before noun heads; relatives after noun heads; question word in sentence-initial position; 2 maximum prefixes, 3 maximum suffixes; word order distinguishes given and new information, topic and comment; affixes do not indicate case of noun phrases; verb affixes mark number; ergativity; passives; causatives; comparatives; nontonal.
All domains. All ages. Positive attitudes. Also use Cebuano [ceb]. L2 acquired through public school, media and travel; L2 used in those domains.
Latin script [Latn], used since 2005.
Culture and attitudes separate Kolibugan from Western Subanon [suc]. Muslim, traditional religion.