Nigeria government; the leader is elected by popular vote to a maximum of two 4-year terms. In the 28 March 2015 presidential election, General Muhammadu Buhari emerged victorious to become the President of the Federal Republic of Nigeria, defeating then-incumbent Dr Goodluck Jonathan. The president's power is checked by a Senate and a House of Representatives, which are combined in a bicameral body called the National Assembly. The Senate is a 109-seat body with three members from each state and one from the capital region of Abuja; members are elected by popular vote to four-year terms. The House contains 360 seats,
Head of state Head of state A head of state (or chief of state) is the public persona that officially represents the national unity and legitimacy of a sovereign state. Depending on the country's form of government and separation of powers, the head of state may be a ceremonial figurehead or concurrently the head of government. In the parliamentary system the head of state is the "de jure" leader of the nation, because the leader "de facto" is the prime minister. In contrast, the semi-presidential system has both heads of state and government as the leaders "de facto" of the nation (in practice