Tonga: Facts & Stats

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Also Known As	Fakatuʿiʿo Tonga • Friendly Islands • Kingdom of Tonga
Head Of Government	Prime Minister: Siaosi Sovaleni
Capital	Nukuʿalofa
Population	(2024 est.) 99,900
Head Of State	King: Tupou VI
Form Of Government	hereditary constitutional monarchy with one legislative house (Legislative Assembly [30¹])
Official Languages	Tongan; English
Official Religion	none
Official Name	Fakatuʿi ʿo Tonga (Tongan); Kingdom of Tonga (English)
Total Area (Sq Km)	650
Total Area (Sq Mi)	251
Monetary Unit	paʿanga (T$)
Population Rank	(2023) 202
Population Projection 2030	95,900
Density: Persons Per Sq Mi	(2024) 398
Density: Persons Per Sq Km	(2024) 153.7
Urban-Rural Population	Urban: (2021) 21.1% • Rural: (2021) 78.9%
Life Expectancy At Birth	Male: (2016–2018) 65.4 years • Female: (2016–2018) 70.9 years
Literacy: Percentage Of Population Age 15 And Over Literate	Male: not available • Female: not available
Gni (U.S.$ ’000,000)	(2021) 522
Gni Per Capita (U.S.$)	(2021) 4,930
¹Includes 17 directly elected seats and 9 nobles elected by the hereditary nobles of Tonga as well as 4 cabinet members who are not elected.