Politics of Chile Politics of Chile Chile's government is a representative democratic republic, whereby the President of Chile is both head of state and head of government, and of a formal multi-party system that in practice behaves like a two-party one, due to binomialism. Executive power is exercised by the government. Legislative power is vested in both the government and the two chambers of the National Congress. The judiciary is independent of the executive and the legislature of Chile. The Constitution of Chile was approved in a national plebiscite in September 1980, under the military government of dictator Augusto Pinochet. It entered into
Regions of Chile in 2007, the north-south Roman numeral order was broken. In February 2018, the Strengthening of Regionalization Law (Law 21074) was enacted . Among other things, it removed the roman numerals from the designations. The administrative divisions of Chile were created in 1974 and limited to 13 regions (this limitation was eliminated in 2005 via a constitutional reform). Previously, Chile was divided into 25 provinces, which were further divided into departments, and then into communes. The new territorial organization was implemented in phases with some initial "pilot regions" beginning to operate in 1974, extending the process on January 1, 1976 to