Belgium is a country in Western Europe, Europe. In 2025 it has about 11.8 million people (UN estimate), the 82nd most people of the 193 UN member states.
UN member since 1945Population: 82nd
Belgiumベルギー
Region
Western Europe, Europe
Population
about 11.8 million (82nd)
Area
30,528 km² (134th)
UN member since
December 27, 1945
Ranks are among the 193 UN member states, from most people and from largest area.
Belgium in numbers
In 2025 the population is about 11.8 million, the 82nd most people of the 193 UN member states. That is about 1/10 of Japan’s (about 123 million).
The area is 30,528 km², the 134th largest of the 193. That is about 1/12 of Japan’s area.
If we work out the number of people per square kilometer (population density), it is about 385.
Joining the United Nations
Belgium joined the United Nations on December 27, 1945.
It was a member before Japan joined in 1956.
Think about it
Q1Compare Belgium’s population rank and area rank. What do you notice?
Q2Find Belgium on a map or globe. Which countries are around it?
Q3Choose one thing you want to know more about Belgium, 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 9 UN member states in Western Europe. The one with the most people is Germany.