#191 in world Oceania UN member

Tonga

Nuku'alofa Oceania Polynesia

Tonga, a constitutional monarchy in Polynesia, consists of 171 islands covering an area of 747 km² (288 sq mi) and supports an estimated population of 103,000 people. The nation's economy is centered in its capital, Nuku'alofa, with current estimates showing a GDP per capita of 6,138 USD.

Where is Tonga?

Tonga

Continent
Oceania
Country
Tonga
Coordinates
-20.00°, -175.00°

Population Details

Population
103.3K
Area
747 km²
Density per km²
138 / km²
Growth rate
-0.40%
Annual growth
-417.75 people
Daily growth
-1.14 people
World population share
0.00%

Population Trend

Historical series from 1960 to 2026

Start 66.2K Latest 103.3K

Population & Social Snapshot

Age structure, urbanization, and benchmark indicators for Tonga

Age Distribution

0-14 years 36.6K
15-64 years 59.8K
65+ years 6.9K

Urbanization

21.2% Urban
21.9K
Urban 21.9K
Rural 81.5K

Health & Education Benchmarks

Life Expectancy at Birth -1%
73.1 years
World avg: 74.0 years
Fertility Rate +32%
3.10 births per woman
World avg: 2.35 births per woman
Infant Mortality Rate -58%
7.8 per 1,000 live births
World avg: 18.6 per 1,000 live births
Literacy Rate (Adults) +13%
99.5 % of adults
World avg: 88.2 % of adults
Internet Users -7%
67.4 % of population
World avg: 72.5 % of population

Demographics

Quick Facts

Capital
Nuku'alofa
Region
Oceania
Area
747 km²
Languages
English, Tongan
Currency
Tongan paʻanga (T$)
Timezones
UTC+13:00
UN Member
Yes

Economy

Tonga's economic performance is defined by an annual GDP growth rate of 2.79%, with the GDP per capita currently ranking 130 of 212 globally and 13 of 19 in Oceania. The economy relies heavily on services, agriculture, and remittances from the Tongan diaspora in New Zealand and Australia. The unemployment rate is among the lowest in the world at 2.01%, which ranks 170 of 186 nations globally when ordered from the highest rates to the lowest.

Society

The country maintains exceptional educational standards, with an adult literacy rate of 99.48%, ranking 19 of 170 globally. Residents have a life expectancy at birth of 73.07 years, placing Tonga 122 of 215 in the global ranking. Internet accessibility has expanded across the archipelago, with 67.4% of the population currently identified as internet users, ranking 140 of 212 globally.

Climate & Environment

Tonga's tropical maritime climate is characterized by a warm, wet season from November to April and a cooler, drier period. The islands are situated along the Pacific Ring of Fire, making them prone to tectonic activity and seasonal cyclones that frequently impact local infrastructure and the production of crops like squash and vanilla.

Government & Politics

Government Type
constitutional monarchy
Independence
1970-06-04 (UK)

Tonga is a constitutional monarchy, unique in the region for never having been formally colonized. The King, currently Tupou VI, serves as the head of state and holds significant executive authority, though many powers were devolved following democratic reforms in 2010. The government is led by a Prime Minister, who is elected by the Legislative Assembly (Fale Alea). This assembly consists of 26 members: 17 people's representatives elected by universal suffrage and nine hereditary nobles elected by their peers from among the 33 noble titles of Tonga. The judiciary is independent and follows British common law traditions. Tonga is an active member of the United Nations and the Pacific Islands Forum. The capital, Nuku'alofa, serves as the administrative and political hub. Political life has transitioned toward greater representation of commoners in recent decades, balancing traditional hierarchical structures with modern parliamentary democracy.

History

Tonga has a rich history beginning around 1500 BCE with the Lapita people. By the 10th century, the Tu'i Tonga Empire was established, eventually extending its influence across much of Western Polynesia. European contact began in the early 17th century with Dutch explorers, followed by Captain James Cook, who famously named the archipelago the "Friendly Islands" due to the warm reception he received. In 1845, a powerful chief named Taufa'ahau unified the islands and took the name King George Tupou I, establishing the current royal dynasty and introducing a constitution in 1875. In 1900, to avoid potential German annexation, Tonga signed a Treaty of Friendship with the United Kingdom, becoming a British protected state. Unlike its neighbors, Tonga maintained its sovereignty and was never a formal colony. The nation regained full control of its external affairs and achieved independence from the UK on 4 June 1970. In recent decades, the country has navigated significant modernization and political reform. In early 2022, the nation faced a major crisis following the catastrophic eruption of the Hunga Tonga-Hunga Ha'apai underwater volcano, which triggered a tsunami and significantly impacted infrastructure across the 747 km² (288 sq mi) land area.

Notable Facts

  • Tonga is the only Pacific nation to have never lost its sovereignty to a foreign power, maintaining its monarchy throughout the colonial era.
  • Located just west of the International Date Line, Tonga is among the first countries in the world to experience each new day in its UTC+13:00 time zone.
  • The kingdom serves as a major nursery for humpback whales, which migrate from Antarctica to the warm Tongan waters between July and October to breed and give birth.
  • The highest point in the country is the Kao Volcano on Kao Island, which reaches an elevation of 1,046 m (3,432 ft) above sea level.
  • Tongan society remains structured around a traditional hierarchy consisting of the royalty, the nobles, and the commoners.

Geography

Highest Point
Kao Volcano on Kao Island (1,046 m)
Lowest Point
Pacific Ocean (0 m)
Coastline
419 km

Explore weather and climate data for cities in Tonga

Monthly averages for Nuku'alofa

January
Wet
Temp
27°C / 26°C
Feels Like
31°C / 28°C
Rain
21days (319 mm) Wet
Sun
10.3h Excellent
Humidity
82% Humid
February
Wet
Temp
27°C / 26°C
Feels Like
31°C / 28°C
Rain
20days (297 mm) Wet
Sun
10h Excellent
Humidity
82% Humid
March
Wet
Temp
27°C / 26°C
Feels Like
30°C / 28°C
Rain
22days (387 mm) Wet
Sun
8.7h Good
Humidity
81% Humid
April
Good
Temp
26°C / 25°C
Feels Like
29°C / 26°C
Rain
13days (164 mm) Wet
Sun
9.6h Good
Humidity
78% Humid
May best
Excellent
Temp
25°C / 24°C
Feels Like
26°C / 24°C
Rain
13days (169 mm) Wet
Sun
9.4h Good
Humidity
76% Humid
June best
Excellent
Temp
24°C / 23°C
Feels Like
25°C / 22°C
Rain
9days (77 mm) Wet
Sun
9h Good
Humidity
74% Muggy
July best
Excellent
Temp
23°C / 22°C
Feels Like
23°C / 21°C
Rain
8days (75 mm) Wet
Sun
9h Good
Humidity
74% Muggy
August best
Excellent
Temp
23°C / 22°C
Feels Like
23°C / 20°C
Rain
8days (81 mm) Wet
Sun
9.3h Good
Humidity
73% Muggy
September best
Excellent
Temp
23°C / 22°C
Feels Like
24°C / 21°C
Rain
10days (90 mm) Wet
Sun
9.9h Good
Humidity
75% Muggy
October
Good
Temp
24°C / 23°C
Feels Like
24°C / 22°C
Rain
11days (171 mm) Wet
Sun
10.1h Excellent
Humidity
77% Humid
November
Good
Temp
25°C / 24°C
Feels Like
28°C / 25°C
Rain
13days (145 mm) Wet
Sun
11h Excellent
Humidity
81% Humid
December
Good
Temp
26°C / 25°C
Feels Like
30°C / 26°C
Rain
15days (165 mm) Wet
Sun
11.4h Excellent
Humidity
80% Humid
Month Temp Feels Like Rain Sun Humidity Status Details
January 27°C / 26°C 31°C / 28°C 21days (319 mm) Wet 10.3h Excellent 82% Humid Wet View Details
February 27°C / 26°C 31°C / 28°C 20days (297 mm) Wet 10h Excellent 82% Humid Wet View Details
March 27°C / 26°C 30°C / 28°C 22days (387 mm) Wet 8.7h Good 81% Humid Wet View Details
April 26°C / 25°C 29°C / 26°C 13days (164 mm) Wet 9.6h Good 78% Humid Good View Details
May best 25°C / 24°C 26°C / 24°C 13days (169 mm) Wet 9.4h Good 76% Humid Excellent View Details
June best 24°C / 23°C 25°C / 22°C 9days (77 mm) Wet 9h Good 74% Muggy Excellent View Details
July best 23°C / 22°C 23°C / 21°C 8days (75 mm) Wet 9h Good 74% Muggy Excellent View Details
August best 23°C / 22°C 23°C / 20°C 8days (81 mm) Wet 9.3h Good 73% Muggy Excellent View Details
September best 23°C / 22°C 24°C / 21°C 10days (90 mm) Wet 9.9h Good 75% Muggy Excellent View Details
October 24°C / 23°C 24°C / 22°C 11days (171 mm) Wet 10.1h Excellent 77% Humid Good View Details
November 25°C / 24°C 28°C / 25°C 13days (145 mm) Wet 11h Excellent 81% Humid Good View Details
December 26°C / 25°C 30°C / 26°C 15days (165 mm) Wet 11.4h Excellent 80% Humid Good View Details

Temperature

36°C 30°C 24°C 18°C 12°C JanFebMarAprMayJunJulAugSepOctNovDec
HighLow

Line chart showing monthly temperatures. Jan: 27°C / 26°C . Feb: 27°C / 26°C . Mar: 27°C / 26°C . Apr: 26°C / 25°C . May: 25°C / 24°C . Jun: 24°C / 23°C . Jul: 23°C / 22°C . Aug: 23°C / 22°C . Sep: 23°C / 22°C . Oct: 24°C / 23°C . Nov: 25°C / 24°C . Dec: 26°C / 25°C .

Rainfall

0 mm 66 mm 132 mm 198 mm 264 mm 330 mm JanFebMarAprMayJunJulAugSepOctNovDec
Rainfall

Bar chart showing monthly rainfall. Jan: 319 mm. Feb: 297 mm. Mar: 387 mm. Apr: 164 mm. May: 169 mm. Jun: 77 mm. Jul: 75 mm. Aug: 81 mm. Sep: 90 mm. Oct: 171 mm. Nov: 145 mm. Dec: 165 mm.

Frequently Asked Questions

The population of Tonga is approximately 103.3K (2024).

The capital of Tonga is Nuku'alofa.

Tonga's GDP per capita is $6.1K (2023).

Life expectancy in Tonga is 73.07 years (2024).

Tonga covers 747 km² (288 sq mi).

Tonga has a moderate population density of 138 people per km², close to the global average of 60.

Tonga's population is shrinking at 0.4% per year — one of the few countries seeing sustained decline.

Based on GDP per capita, Tonga falls in the upper-middle GDP-per-person tier at $6.1K. Official World Bank income groups use Atlas-method GNI per capita, so this is a GDP-based comparison rather than an official income-group label.

Tonga reports a very low intentional homicide rate of 0.9 per 100,000 people — among the safest in the world by this measure.

Tonga has 2 official languages: English, Tongan.

Tonga uses the Tongan paʻanga (T$) as its sole official currency.

Tonga is an island nation and shares no land borders.

The best months to visit Tonga are May, June, July, August, September, based on climate data for the capital.

Current estimates show that Tonga has a population of 103,000 people. The nation currently ranks 191 of 215 globally and 13 of 19 within the Oceania region. This represents a slight decline from previous years, as the annual population growth rate is -0.4%.

The latest data indicates that Tonga has a GDP per capita of 6,138 USD, which ranks 130 of 212 globally. Within the Oceania region, it ranks 13 of 19, and in the Polynesian subregion, it holds the 4 of 5 position for this economic metric.

Education is highly valued in Tongan society, resulting in an adult literacy rate of 99.48%. This achievement is one of the highest in the world, ranking the country 19 of 170 globally. The high literacy rate reflects the success of the national education system and widespread Tongan-English bilingualism.

Recent data shows that life expectancy at birth in Tonga is 73.07 years. This places the nation at 122 of 215 in global rankings for longevity. Health outcomes are supported by a public healthcare system that provides services across the archipelago's inhabited islands, though urban centers offer more specialized care.

Approximately 67.4% of the Tongan population uses the internet, placing the country 140 of 212 in the global internet penetration rankings. While connectivity has improved significantly over the last decade, the geographical spread of the archipelago's 170 islands can still present logistical challenges for high-speed infrastructure in remote areas.

The latest reports indicate an unemployment rate of 2.01% for Tonga. This low figure ranks the country 170 of 186 globally when measured from the highest to the lowest unemployment levels. Many citizens are engaged in the informal economy, particularly in subsistence farming, fishing, and local trade within their communities.

The estimated 2026 population of Tonga is 103,334. This figure is projected from the official 2024 population of 104,175, reflecting a current annual decline of approximately 0.40%. The decrease is primarily attributed to high rates of emigration to larger nations in the Pacific region and North America.

Tonga currently holds a global population rank of 191 out of 215 countries and territories. Regionally, it is the 13th largest nation in Oceania and the 3rd largest in the Polynesia subregion. Its small population size is characteristic of many sovereign island states in the South Pacific.

The population of Tonga is currently shrinking, with a growth rate of -0.40% according to the latest official data. While the country maintains a high fertility rate of 3.1 births per woman, the number of people emigrating for work and education outweighs the natural population increase from births.

The current estimated population density for Tonga is 143.5 people per km² (371.7 per sq mi). This places Tonga 80th globally for density. Most residents live on the main island of Tongatapu, while many of the nation's 171 islands remain entirely uninhabited.

The latest fertility rate in Tonga is 3.1 children per woman, which ranks the country 54th highest in the world. This rate is well above the global average, though the resulting natural increase is countered by significant outward migration, leading to an overall decline in the resident population.

Only 21.2% of the Tongan population lives in urban areas, ranking the country 209th out of 215 for urbanization. Most residents live in small rural villages, with the capital, Nuku'alofa, serving as the primary urban center for commerce, government, and international transport.

All Indicators

Explore Tonga's data across 50+ indicators

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