The Republic of South Africa is a unitary parliamentary democratic republic. The President of South Africa serves both as head of state and as head of government. The President is elected by the National Assembly (the lower house of the South African Parliament) and must retain the confidence of the Assembly in order to remain in office. South Africans also elect provincial legislatures which govern each of the country's nine provinces. The Economist Intelligence Unit rated South Africa a "flawed democracy" in 2019. Some argue that South Africa represents a dysfunctional state.