Mali is a landlocked country in Western Africa. Mali borders Algeria, Burkina Faso, Guinea, Cote d’Ivoire, Mauritania, Niger, and Senegal. Most of the country lies in the southern Sahara which produces a hot, savanna zone. The government system is a republic. The chief of state is the President and the head of government is the Prime Minister. Mali has a traditional economic system in which the majority of the population engages in subsistence agriculture confined to the riverine area irrigated by the Niger River. Mali is a member of the African Union (AU), African Economic Community (AEC), and the Economic Community of West African States (ECOWAS).