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