Government Tonga
Country name:
conventional long form: Kingdom of Tonga
conventional short form: Tonga
former: Friendly Islands
Government type:
hereditary constitutional monarchy
Capital:
Nuku'alofa
Administrative divisions:
3 island groups; Ha'apai, Tongatapu, Vava'u
Independence:
4 June 1970 (from UK protectorate)
National holiday:
Independence Day, 4 June (1970)
Constitution:
4 November 1875, revised 1 January 1967
Legal system:
based on English law
Suffrage:
21 years of age; universal