Tonga (/ˈtɒŋ(ɡ)ə/; Tongan: [ˈtoŋa][7]), officially named the Kingdom of Tonga (Tongan: Puleʻanga Fakatuʻi ʻo Tonga), is a Polynesian country, and also an archipelago comprising 169 islands, of which 36 are inhabited.[1] The archipelago’s total surface area is about 750 square kilometres (290 sq mi) scattered over 700,000 square kilometres (270,000 sq mi) of the southern Pacific Ocean. As of 2016, Tonga had a population of 100,651,[8][9][10] 70% of whom resided on the main island, Tongatapu.
Tonga stretches across approximately 800 kilometres (500 mi) in a north–south line. It is surrounded by Fiji and Wallis and Futuna (France) to the northwest; Samoa to the northeast; New Caledonia (France) and Vanuatu to the west; Niue (the nearest foreign territory) to the east; and Kermadec (New Zealand) to the southwest. Tonga is about 1,800 kilometres (1,100 mi) from New Zealand’s North Island.
From 1900 to 1970, Tonga had British protected-state status. The United Kingdom looked after Tonga’s foreign affairs under a Treaty of Friendship, but Tonga never relinquished its sovereignty to any foreign power. In 2010, Tonga took a decisive step away from its traditional absolute monarchy and towards becoming a fully functioning constitutional monarchy, after legislative reforms paved the way for its first partial representative elections.
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