| Indicator | Value |
|---|---|
| ISO 3166 alpha-2 | TOISO 3166 [2024] |
| ISO 3166 alpha-3 | TONISO 3166 [2024] |
| Capital | Nuku'alofaGeoNames [2024] |
| Continent | OceaniaGeoNames [2024] |
| Common name | TongaCIA World Factbook [2025] · 2026 archive |
| Official name | Kingdom of TongaCIA World Factbook [2025] · 2026 archive |
| Local name | TongaCIA World Factbook [2025] · 2026 archive |
| Etymology | the name is of local origin and is said to mean "island;" the former name, the Friendly Islands, came from Captain James COOK in 1773, based on the welcome he received from the inhabitantsCIA World Factbook [2025] · 2026 archive |
| Government type | Constitutional monarchyCIA World Factbook [2025] · 2026 archive |
| Independence | 4 June 1970 (from UK protectorate status)CIA World Factbook [2025] · 2026 archive |
| National holiday | Official birthday of King TUPOU VI, 4 July (1959); note: the monarch's actual birthday is 12 July 1959, 4 July (2015) is the day the king was crowned; Constitution Day (National Day), 4 November (1875)CIA World Factbook [2025] · 2026 archive |
| Head of state | TUPOU VI (King)CIA World Leaders [2025] |
| Currency code (ISO 4217) | TOPISO 4217 Currency Codes [2026] |
| Currency | Pa’angaISO 4217 Currency Codes [2026] |
| Administrative subdivisions | 5ISO 3166-2 Subdivisions [2026] |
| Subdivision names | 'Eua / Ha'apai / Niuas / Tongatapu / Vava'uISO 3166-2 Subdivisions [2026] |
| Historical overview | No authoritative open source found |
| National symbols | red cross on white fieldCIA World Factbook [2025] · 2026 archive |
| National anthem | title: "Ko e fasi 'o e tu'i 'o e 'Otu Tonga" (Song of the King of the Tonga Islands); lyrics/music: Uelingatoni Ngu TUPOUMALOHI/Karl Gustavus SCHMITT; history: in use since 1874; more commonly known as "Fasi Fakafonua" (National Song)CIA World Factbook [2025] · 2026 archive |
| National colors | red, whiteCIA World Factbook [2025] · 2026 archive |
| Citizenship rules | citizenship by birth: no; citizenship by descent only: the father must be a citizen of Tonga; if a child is born out of wedlock, the mother must be a citizen of Tonga; dual citizenship recognized: yes; residency requirement for naturalization: 5 yearsCIA World Factbook [2025] · 2026 archive |
the name is of local origin and is said to mean "island;" the former name, the Friendly Islands, came from Captain James COOK in 1773, based on the welcome he received from the inhabitants
description: red with a red cross on a white rectangle in the upper-left corner meaning: the cross stands for Christianity in Tonga, red for Christ's blood and sacrifice, and white for purity
Source: CIA World Factbook (Historical Archive — final edition) · CC0 · Edition 2026-05
