11 September 1980, effective 11 March 1981; amended 1989, 1991, 1997, 1999, 2000, 2003, and 2005
Legal system:
based on Code of 1857 derived from Spanish law and subsequent codes influenced by French and Austrian law; judicial review of legislative acts in the Supreme Court; has not accepted compulsory ICJ jurisdiction; note - in June 2005, Chile completed overhaul of its criminal justice system to a new, US-style adversarial system
Suffrage:
18 years of age; universal and compulsory
Executive branch:
chief of state: President Michelle BACHELET Jeria (since 11 March 2006); note - the president is both the chief of state and head of government
head of government: President Michelle BACHELET Jeria (since 11 March 2006)
cabinet: Cabinet appointed by the president
elections: president elected by popular vote for a single four-year term; election last held 11 December 2005, with runoff election held 15 January 2006 (next to be held in December 2009)