Republic of Chad République du Tchad (French) جمهورية تشاد‎ (Arabic) Jumhūrīyat Tashād
Capital and largest city | N'Djamena 12°06′N 16°02′E﻿ / ﻿12.100°N 16.033°E﻿ / 12.100; 16.033
Official languages | Arabic French
Ethnic groups (2014–15) | 30.5% Sara 9.8% Kanembu/Buduma 9.7% Arab 7% Masalit 5.8% Gorane 4.9% Masa/Musgum 29.4% Other Chadian ethnicities 0.9% Chadians of foreign ethnicities 0.3% Foreign nationals 1.7% Unspecified
Demonym(s) | Chadian
Government | Unitary dominant-party presidential republic (de jure) under totalitarian dictatorship (de facto)
• President | Idriss Deby
• President of the National Assembly | Haroun Kabadi
Legislature | National Assembly