Singapore is a country in South-Eastern Asia, Asia. In 2025 it has about 5.9 million people (UN estimate), the 113th most people of the 193 UN member states.
UN member since 1965Population: 113th
Singaporeシンガポール
Region
South-Eastern Asia, Asia
Population
about 5.9 million (113th)
Area
735.6 km² (172nd)
UN member since
September 21, 1965
Ranks are among the 193 UN member states, from most people and from largest area.
Singapore in numbers
In 2025 the population is about 5.9 million, the 113th most people of the 193 UN member states. That is about 1/21 of Japan’s (about 123 million).
The area is 736 km², the 172nd largest of the 193. That is about 1/510 of Japan’s area. The land area of the main island and other islands.
If we work out the number of people per square kilometer (population density), it is about 7,981.
Joining the United Nations
Singapore joined the United Nations on September 21, 1965.
That was 9 years after Japan joined in 1956.
Countries that joined on the same day: Gambia (Republic of the), Maldives.
Think about it
Q1Compare Singapore’s population rank and area rank. What do you notice?
Q2Find Singapore on a map or globe. Which countries are around it?
Q3Choose one thing you want to know more about Singapore, 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 11 UN member states in South-Eastern Asia. The one with the most people is Indonesia.