Lake Chad replenishment project as late as 2005. The members of the Lake Chad Basin International Commission are Chad, the Central African Republic, Nigeria, Cameroon and Niger. Concerned by shrinkage of the lake's area from in 1972 to in 2002, they met in January 2002 to discuss the project. Both the ADB and the Islamic Development Bank expressed interest in the project. However, the member states of the Congo-Ubangi-Sangha Basin International Commission, Congo-Kinshasa, Congo-Brazzaville and the Central African Republic expressed concern that the project would reduce the energy potential of the Inga hydroelectric dam, would affect navigation on the Ubangi and Congo rivers and
Chad Basin the Wadai capital of Abéché was occupied by the French. The remainder of the basin was divided by the British in Nigeria who took Kano in 1903, and the Germans in Kameroun. The countries of the basin regained their independence between 1956 and 1962, retaining the colonial administrative boundaries. As of 2011, over 30 million people lived in the Chad Basin. The population is growing rapidly. Ethnic groups include Kanuri, Maba, Buduma, Hausa, Kanembu, Kotoko, Bagger, Haddad, Kuri, Fulani and Manga. The largest cities are Kano and Maiduguri in Nigeria, Maroua in Cameroon, N'Djamena in Chad and Diffa in Niger.