At One Place

Tonga

Tonga
Capital Nuku'alofa
747 km² · 103,742 people (2025) · Tongan paʻanga

About 170 islands, of which some 36 are inhabited, sitting just west of the Tonga Trench — at 10,882 m the second-deepest point in any ocean. The Hunga Tonga-Hunga Haʻapai eruption in January 2022 was the most powerful recorded anywhere in over a century and put water vapour into the stratosphere.

The facts

Capital
Nuku'alofa
Area
747 km² — 288 sq mi
Population
103,742 (2025)
Density
138.9 people per km²
Currency
Tongan paʻanga (TOP, T$)
Official languages
English, Tongan
Time zone
UTC+13:00
Calling code
+676
Drives on the
left
ISO codes
TO · TON
Continent
Oceania

How it compares

By area
180 of 200
By population
186 of 200

Population is the only figure on this page that dates — it is a 2025 estimate and will drift. Area, capital, currency, languages, calling code and driving side change rarely or never.

Countries of a similar size

Country Area (km²) Population
Bahrain 760 1,600,366
Dominica 751 65,871
Tonga ← 747 103,742
Singapore 719 6,111,175
Micronesia 702 113,683

Common questions

What is the capital of Tonga?
Nuku'alofa
What currency does Tonga use?
The Tongan paʻanga (TOP).
How big is Tonga?
747 km², or 288 square miles — 180 of 200 by area.
Which side of the road does Tonga drive on?
The left.

Related pages

Sources

  1. The World Factbook — Central Intelligence Agency (Public domain (US Government))
  2. World Bank Open Data — The World Bank (CC BY 4.0)

How these figures are compiled and checked