_#_Independence: none (commonwealth associated with the US)
_#_Constitution: ratified 3 March 1952; approved by US Congress 3 July 1952; effective 25 July 1952
_#_National holiday: Constitution Day, 25 July (1952)
_#_Legal system: based on Spanish civil code
_#_Executive branch: US president, US vice president, governor
_#_Legislative branch: bicameral Legislative Assembly consists of an upper house or Senate and a lower house or House of Representatives
_#_Judicial branch: Supreme Court
_#_Leaders:
Chief of State—President George BUSH (since 20 January 1989); Vice President Dan QUAYLE (since 20 January 1989);
Head of Government Governor Rafael HERNANDEZ Colon (since 2
January 1989)