The region's population was 495,339 inhabitants in 1993 and 774,782 in the 2009 census.[1] The main ethnolinguistic groups are the Bagirmi, Kanuri, Kera, Kim, Kwang, Majera, Marba, Masa, Mbara, Musgum, Musey, Ngeté-Herdé peoples, Tobanga and Tupuri.[3]