Tongan is the national language of Tonga. It is a member of the same language family (Polynesian) as Niuean, Hawaiian, Maori, Samoan and Tahitian. It is spoken by roughly 130 thousand people in at least 7 territories.
After Tonga, the largest population (around 24 thousand) is in the United States. Other smaller populations are in New Zealand, Fiji, the United Kingdom, Samoa and Australia.
Territory size shows the proportion of all people who speak Tongan as a first language that live in that territory.