The limits of my language mean the limits of my world. (Die Grenzen meiner Sprache bedeuten die Grenzen meiner Welt.)
Tongan is a language of Tonga. Roughly 98% of the population there speak it as a first language.
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.