Sri Lanka is a country in Southern Asia, Asia. In 2025 it has about 23.2 million people (UN estimate), the 60th most people of the 193 UN member states.
UN member since 1955Population: 60th
Sri Lankaスリランカ
Region
Southern Asia, Asia
Population
about 23.2 million (60th)
Area
65,610 km² (118th)
UN member since
December 14, 1955
Ranks are among the 193 UN member states, from most people and from largest area.
Sri Lanka in numbers
In 2025 the population is about 23.2 million, the 60th most people of the 193 UN member states. That is about 1/5 of Japan’s (about 123 million).
The area is 65,610 km², the 118th largest of the 193. That is about 1/5 of Japan’s area.
If we work out the number of people per square kilometer (population density), it is about 354.
Joining the United Nations
Sri Lanka joined the United Nations on December 14, 1955.
It was a member before Japan joined in 1956.
15 other countries joined on the same day.
Think about it
Q1Compare Sri Lanka’s population rank and area rank. What do you notice?
Q2Find Sri Lanka on a map or globe. Which countries are around it?
Q3Choose one thing you want to know more about Sri Lanka, 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 Southern Asia. The one with the most people is India.