Country profile
Tonga
Kingdom of Tonga · Polynesia
👥 Population
103,742
World Bank · 2025
🏛 Capital
Nuku'alofa
🗺 Area
747 km²
💹 GDP (nominal)
$679.22M
World Bank · 2025
📈 HDI
0.769
UNDP · 2023
📍 Pop. density
139 /km²
💱 Currency
TOP
Tongan paʻanga
🗣 Languages
English, Tongan
About Tonga
Tonga (officially Kingdom of Tonga) is a country in Polynesia, with Nuku'alofa as its capital. It is home to roughly 103.74 thousand people, giving a population density of about 139 people per square kilometre. The country covers 747 km² of land and has no shared land borders. Its economy is valued at approximately $679.22M in nominal GDP (2025), and it records a Human Development Index of 0.769. The official currency is the Tongan paʻanga (TOP), and the main languages are English, Tongan.
Key indicators
Latest available data · World Bank & UNDP.
💹 Economy
GDP (PPP)
$816.14M
GDP/capita (PPP)
$7,803
GDP growth
2.8%
Inflation
5.6%
Unemployment
2.0%
👥 People
Life expectancy
73.1 yrs
Fertility rate
3.1
Pop. growth
-0.4%
Urban population
21.2%
Infant mortality /1k
7.8
🌍 Quality of Life
Internet users
67.4%
Literacy rate
99.5%
Physicians /1k
1.01
Renewable energy
2.3%
Travel & practical
Capital
Nuku'alofa
Currency
TOP
Dialing code
+676
Internet TLD
.to
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Fun facts about Tonga
- Tonga is the 181st most populous country in the world, with about 103.74 thousand people.
- By land area it is the 175th-largest country in the world, covering 747 km².
- It has the world's 186th-largest economy by nominal GDP ($679.22M).
- Tonga has no land borders with other countries.
- It is classed by the UN as a country of high human development, with an HDI of 0.769.
- Tonga has a population density of about 139 people per square kilometre.
Samoa
Tuvalu
Australia
Papua New Guinea
New Zealand
Fiji
Solomon Islands
Vanuatu