42,400 (1993 census). 15,400 Mararit, 27,000 Abou Charib.
Wadi Fira Region, Biltine Department, Am Zoer Subprefecture (Abou Charib); Ouaddaï Region, Assoungha Department, Mabrone Subprefecture (Mararit).
Most also use Chadian Spoken Arabic [shu].
The Abou Charib live north of the Mararit and trace their ancestry to them. Muslim.