National holiday:
Independence Day, 11 August (1960)
Constitution:
passed by referendum 31 March 1996; a June 2005 referendum removed constitutional term limits
Legal system:
based on French civil law system and Chadian customary law; has not accepted compulsory ICJ jurisdiction
Suffrage:
18 years of age; universal
Executive branch:
chief of state: President Lt. Gen. Idriss DEBY Itno (since 4 December 1990)