Indonesia is a country in South-Eastern Asia, Asia. In 2025 it has about 286 million people (UN estimate), the 4th most people of the 193 UN member states.
UN member since 1950Population: 4th
Indonesiaインドネシア
Region
South-Eastern Asia, Asia
Population
about 286 million (4th)
Area
1,892,410 km² (14th)
UN member since
September 28, 1950
Ranks are among the 193 UN member states, from most people and from largest area.
Indonesia in numbers
In 2025 the population is about 286 million, the 4th most people of the 193 UN member states. That is about 2.3 times Japan’s (about 123 million).
The area is 1,892,410 km², the 14th largest of the 193. That is about 5 times Japan’s area.
If we work out the number of people per square kilometer (population density), it is about 151.
Joining the United Nations
Indonesia joined the United Nations on September 28, 1950.
It was a member before Japan joined in 1956.
Think about it
Q1Compare Indonesia’s population rank and area rank. What do you notice?
Q2Find Indonesia on a map or globe. Which countries are around it?
Q3Choose one thing you want to know more about Indonesia, 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.