174
Room of Countries and Flags · UN member 174
What is Tonga like?
日本語
In short
Tonga is a country in Polynesia, Oceania. In 2025 it has about 103,700 people (UN estimate), the 181st most people of the 193 UN member states.
UN member since 1999Population: 181st
Tongaトンガ- Region
- Polynesia, Oceania
- Population
- about 103,700 (181st)
- Area
- 747 km² (171st)
- UN member since
- September 14, 1999
Ranks are among the 193 UN member states, from most people and from largest area.
Tonga in numbers
In 2025 the population is about 103,700, the 181st most people of the 193 UN member states. That is about 1/1,200 of Japan’s (about 123 million).
The area is 747 km², the 171st largest of the 193. That is about 1/510 of Japan’s area.
If we work out the number of people per square kilometer (population density), it is about 139.
Joining the United Nations
Tonga joined the United Nations on September 14, 1999.
That was 43 years after Japan joined in 1956.
Countries that joined on the same day: Kiribati, Nauru.
Think about it
- Q1Compare Tonga’s population rank and area rank. What do you notice?
- Q2Find Tonga on a map or globe. Which countries are around it?
- Q3Choose one thing you want to know more about Tonga, and look it up.
There is no single right answer. Talking it over with someone at home is a good way to learn.
Did you know? — There are 3 UN member states in Polynesia. The one with the most people is Samoa.