The Federal government of Nigeria is composed of three distinct branches namely the legislative, executive, and judicial, whose powers are vested and bestowed upon them by the Constitution of the Federal Republic of Nigeria, the National Assembly, the President, and lastly the federal courts, which includes the Supreme Court which is regarded as the highest court in Nigeria respectively. One of the major functions of the constitution is that it provides for separation and balance of powers among the three branches and aims to prevent the repetition of past mistakes made by the government, some other functions of the constitution includes that it divides power between the federal government and the states, and it also protects various individual liberties of the citizens of the nation.
Nigeria is a federal republic in the sense that there is both a national government and governments of its 36 states and it utilizes the form of government in which the people hold power, but elect representatives to exercise and utilize that power with the executive power exercised by the president. The president is the head of state, the head of government, and also the head of a multi-party system. Nigerian politics takes place within a framework of a federal, presidential, representative democratic republic, in which executive power is exercised by the government. Legislative power is held by the federal government and the two chambers of the legislature: the House of Representatives and the Senate, the legislative branch of Nigeria is responsible for and possesses powers for the formulation and making of laws Together, the two chambers make up the law-making body in Nigeria, called the national assembly, which serves as a check on the executive arm of government, The National Assembly of Nigeria (NASS) is the democratically elected body that represents the interests of the Federal Republic of Nigeria and its people, makes laws for Nigeria and holds the Government of Nigeria to account.