Tonga, officially named the Kingdom of Tonga, is a Polynesian country, and also an archipelago comprising 169 islands, of which 36 are inhabited. 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, 70% of whom resided on the main island, Tongatapu.
