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Flag of Tonga

Tonga

Kingdom of Tonga · Polynesia

UN member

Tonga is a country in Polynesia, with Nuku'alofa as its capital, home to about 103,742 people. Below are its flag, capital, currency, calling code, ISO codes and the countries it borders.

Capital
Nuku'alofa
Region
Polynesia
Currency
Tongan paʻanga (TOP T$)
Calling code
+676
ISO codes
TO / TON / 776
Flag emoji
🇹🇴
Population
103,742 (2025)
Area
747 km²
Languages
English, Tongan
Internet domain
.to
Demonym
Tongan

About Tonga

Tonga, officially the Kingdom of Tonga, is a United Nations member state in Polynesia. Its capital and seat of government is Nuku'alofa. It is an island nation with no land borders. The official currency is the Tongan paʻanga (T$), using the code TOP.

To call Tonga from abroad, dial the country code +676. In international standards it is identified by the ISO 3166-1 codes TO (alpha-2) and TON (alpha-3), which appear in everything from web addresses to shipping labels. As of 2025, its population is around 103,742.

Frequently asked questions

What is the capital of Tonga?
The capital of Tonga is Nuku'alofa.
What currency does Tonga use?
Tonga uses the Tongan paʻanga (TOP, symbol T$).
What is the country calling code for Tonga?
The international dialling code for Tonga is +676.
What are the ISO codes for Tonga?
Tonga has the ISO 3166-1 alpha-2 code TO, the alpha-3 code TON and the numeric code 776.
What is the flag emoji for Tonga?
The flag emoji for Tonga is 🇹🇴. You can copy it from the top of this page.

Tonga appears in these lists

Countries in OceaniaIsland Countries

Population from the World Bank (SP.POP.TOTL); flag, capital, currency, calling code and ISO data from open datasets. Full sources and vintage on the data page. Dataset compiled 2026-07-02.