19,500 (1995 SIL).
Cascades region: Comoe Hauts-Bassins region, Houet province, halfway between Banfora and Bobo-Dioulasso; Toussiana is center area.
40% inherent intelligibility of Northern Toussian [tsp]. Nianha dialect is central. Each village has a separate dialect.
SOV; postpositions; genitives before noun heads; articles, adjectives, numerals, relatives after noun heads; word order distinguishes subjects, objects, indirect objects, passives; causatives; comparatives; V, CV, CVC, CCV; tonal.
Latin script [Latn].
Traditional religion, Muslim.