under the authority of the governor general of Australia and Australian law
Suffrage:
18 years of age
Executive branch:
chief of state: Queen ELIZABETH II (since 6 February 1952) represented by the Australian governor general
head of government: Administrator Brian LACY (since 5 October 2009)
elections: the monarchy is hereditary; administrator appointed by the governor general of Australia and represents the monarch and Australia
Legislative branch:
unicameral Christmas Island Shire Council (9 seats; members elected by popular vote to serve four-year terms)
elections: held every two years with half the members standing for election; last held on 17 October 2009 (next to be held in 2011)