Geography of Chad lake has shrunk dramatically in the last four decades due to increased water usage from an expanding population and low rainfall. Bordered by Chad, Niger, Nigeria, and Cameroon, Lake Chad currently covers only 1350 square kilometers, down from 25,000 square kilometers in 1963. The Chari and Logone Rivers, both of which originate in the Central African Republic and flow northward, provide most of the surface water entering Lake Chad. Chad is also next to Niger. Located in north-central Africa, Chad stretches for about 1,800 kilometers from its northernmost point to its southern boundary. Except in the far northwest and south,
Languages of Chad teachers for the deaf train in Nigeria. ("Ethnologue" lists 54 Chadic languages in Chad altogether, many of them small.) Languages of Chad Chad has two official languages, French and Modern Standard Arabic, and over 120 indigenous languages. A vernacular version of Arabic, Chadian Arabic, is the lingua franca. Of the two official languages, French has the most speakers in Chad (though Chadian Arabic has more speakers in Chad than both French and Standard Arabic) . Chad submitted an application to join the Arab League as a member state on 25 March 2014, which is still pending. Chadian Sign Language is