Marshall Islands is a country in Micronesia, Oceania. In 2025 it has about 36,300 people (UN estimate), the 189th most people of the 193 UN member states.
UN member since 1991Population: 189th
Marshall Islandsマーシャル諸島
Region
Micronesia, Oceania
Population
about 36,300 (189th)
Area
181 km² (187th)
UN member since
September 17, 1991
Ranks are among the 193 UN member states, from most people and from largest area.
Marshall Islands in numbers
In 2025 the population is about 36,300, the 189th most people of the 193 UN member states. That is about 1/3,400 of Japan’s (about 123 million).
The area is 181 km², the 187th largest of the 193. That is about 1/2,100 of Japan’s area.
If we work out the number of people per square kilometer (population density), it is about 200.
Joining the United Nations
Marshall Islands joined the United Nations on September 17, 1991.
That was 35 years after Japan joined in 1956.
Countries that joined on the same day: Democratic People's Republic of Korea, Estonia, Latvia, Lithuania, Micronesia(Federated States of), Republic of Korea.
Think about it
Q1Compare Marshall Islands’s population rank and area rank. What do you notice?
Q2Find Marshall Islands on a map or globe. Which countries are around it?
Q3Choose one thing you want to know more about Marshall Islands, 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.