L1 users: 1,380,000 (2015 J. Leclerc). Total users in all countries: 1,410,700.
Fatick, Kaolack, Thies, Kaffrine, and Diourbel regions: Sine and Saloum river valleys; Saint-Louis region: some south of Senegal river, Thile-Boubacar area.
5 (Developing). Recognized language (2001, Constitution, Article 1).
Segum, Fadyut-Palmerin, Sine, Dyegueme (Gyegem), Niominka. Niominka and Serere-Sine dialects are mutually inherently intelligible.
All ages. Used as L2 by Saafi-Saafi [sav].
Traditional religion, Christian, Muslim.