Har ila yau, gungun Pygmies na Kongo Basin suna magana da harsunan Bantu (Efe, Basu A, Bambuti, da dai sauransu), yawanci ana bambanta su a matsayin mutane daban. A cikin Bantus gabas da tsakiyar kasar, harshen Swahili, wanda ya sami tasirin Larabci, ya zama ruwan dare a cikin 'yan shekarun nan, adadin masu magana ya kai miliyan 60 ('yan Swahili sun kai miliyan 1.9). Adamaua, rukunin gabas, ya haɗa da Azande, Cham-Ba, Banda, da sauran waɗanda ke zaune a Tsakiya da Gabashin Sudan.
Ƙungiyar Kordofan, mai ƙanƙanta a adadi da ƙasa, ya haɗa da mutanen Koalib, Tumtum, Tegali, Talodi da Katla (Jamhuriyar Sudan).