The government of Argentina, within the framework of a federal system, is a presidential representative democratic republic. The President of Argentina is both head of state and head of government. Executive power is exercised by the President. Legislative power is vested in the National Congress. The Judiciary is independent from the Executive and from the Legislature, and is vested in the Supreme Court and the lower national tribunals. From the own government is also called Presidency of the Nation.

The president of Argentina is both head of state and head of government of Argentina. Under the national constitution, the president is also the chief executive of the federal government and commander-in-chief of the armed forces.