Solomon Islands is a country in Melanesia, Oceania. In 2025 it has about 838,600 people (UN estimate), the 159th most people of the 193 UN member states.
UN member since 1978Population: 159th
Solomon Islandsソロモン諸島
Region
Melanesia, Oceania
Population
about 838,600 (159th)
Area
28,896 km² (137th)
UN member since
September 19, 1978
Ranks are among the 193 UN member states, from most people and from largest area.
Solomon Islands in numbers
In 2025 the population is about 838,600, the 159th most people of the 193 UN member states. That is about 1/150 of Japan’s (about 123 million).
The area is 28,896 km², the 137th largest of the 193. That is about 1/13 of Japan’s area.
If we work out the number of people per square kilometer (population density), it is about 29.
Joining the United Nations
Solomon Islands joined the United Nations on September 19, 1978.
That was 22 years after Japan joined in 1956.
Think about it
Q1Compare Solomon Islands’s population rank and area rank. What do you notice?
Q2Find Solomon Islands on a map or globe. Which countries are around it?
Q3Choose one thing you want to know more about Solomon 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 4 UN member states in Melanesia. The one with the most people is Papua New Guinea.