 About 50% are Baya-Mandjia, 40% Banda (largely located in the northern and central parts of the country), and 7% are M'Baka (southwestern corner of the CAR).Sangho, the language of a small group along the Oubangui River, is the national language spoken by the majority of Central Africans.Only a small part of the population has more than an elemental knowledge of French, the official language.