18 years of age; universal for all Estonian citizens

Executive branch:

chief of state: President Toomas Hendrik ILVES (since 9 October 2006)

head of government: Prime Minister Andrus ANSIP (since 12 April 2005)

cabinet: Ministers appointed by the prime minister, approved by Parliament

elections: president elected by Parliament for a five-year term (eligible for a second term); if a candidate does not secure two-thirds of the votes after three rounds of balloting in the Parliament, then an electoral assembly (made up of Parliament plus members of local councils) elects the president, choosing between the two candidates with the largest number of votes; election last held 23 September 2006 (next to be held in the fall of 2011); prime minister nominated by the president and approved by Parliament

election results: Toomas Hendrik ILVES elected president on 23 September 2006 by a 345-member electoral assembly; ILVES received 174 votes to incumbent Arnold RUUTEL's 162; remaining 9 ballots left blank or invalid

Legislative branch:

unicameral Parliament or Riigikogu (101 seats; members are elected by popular vote to serve four-year terms)

elections: last held 4 March 2007 (next to be held in March 2011)