120
Room of Countries and Flags · UN member 120
What is Nauru like?
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In short
Nauru is a country in Micronesia, Oceania. In 2025 it has about 12,000 people (UN estimate), the 192nd most people of the 193 UN member states.
UN member since 1999Population: 192nd
Nauruナウル- Region
- Micronesia, Oceania
- Population
- about 12,000 (192nd)
- Area
- 21 km² (191st)
- UN member since
- September 14, 1999
Ranks are among the 193 UN member states, from most people and from largest area.
Nauru in numbers
In 2025 the population is about 12,000, the 192nd most people of the 193 UN member states. That is about 1/10,000 of Japan’s (about 123 million).
The area is 21 km², the 191st largest of the 193. That is about 1/18,000 of Japan’s area.
If we work out the number of people per square kilometer (population density), it is about 573.
Joining the United Nations
Nauru 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, Tonga.
Think about it
- Q1Compare Nauru’s population rank and area rank. What do you notice?
- Q2Find Nauru on a map or globe. Which countries are around it?
- Q3Choose one thing you want to know more about Nauru, 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 5 UN member states in Micronesia. The one with the most people is Kiribati.