The politics of Vietnam are defined by a single-party socialist republic framework, where the General Secretary of the Communist Party of Vietnam is the Party leader and head of the Politburo, holding the highest position in the one-party system. The President of Vietnam is the head of state, and the Prime Minister of Vietnam is the head of government in a one-party system led by the Communist Party of Vietnam. Executive power is exercised by the government and the President of Vietnam. Legislative power is vested in the National Assembly of Vietnam (). The Judiciary is independent of the executive. The parliament adopted the current Constitution of Vietnam, its fifth, on 28 November 2013.