Saint Lucia is a country in Caribbean, Latin America and the Caribbean. In 2025 it has about 180,100 people (UN estimate), the 176th most people of the 193 UN member states.
UN member since 1979Population: 176th
Saint Luciaセントルシア
Region
Caribbean, Latin America and the Caribbean
Population
about 180,100 (176th)
Area
616 km² (175th)
UN member since
September 18, 1979
Ranks are among the 193 UN member states, from most people and from largest area.
Saint Lucia in numbers
In 2025 the population is about 180,100, the 176th most people of the 193 UN member states. That is about 1/680 of Japan’s (about 123 million).
The area is 616 km², the 175th largest of the 193. That is about 1/610 of Japan’s area.
If we work out the number of people per square kilometer (population density), it is about 292.
Joining the United Nations
Saint Lucia joined the United Nations on September 18, 1979.
That was 23 years after Japan joined in 1956.
Think about it
Q1Compare Saint Lucia’s population rank and area rank. What do you notice?
Q2Find Saint Lucia on a map or globe. Which countries are around it?
Q3Choose one thing you want to know more about Saint Lucia, 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 13 UN member states in Caribbean. The one with the most people is Haiti.