San Marino is a country in Southern Europe, Europe. In 2025 it has about 33,600 people (UN estimate), the 190th most people of the 193 UN member states.
UN member since 1992Population: 190th
San Marinoサンマリノ
Region
Southern Europe, Europe
Population
about 33,600 (190th)
Area
61 km² (189th)
UN member since
March 2, 1992
Ranks are among the 193 UN member states, from most people and from largest area.
San Marino in numbers
In 2025 the population is about 33,600, the 190th most people of the 193 UN member states. That is about 1/3,700 of Japan’s (about 123 million).
The area is 61 km², the 189th largest of the 193. That is about 1/6,200 of Japan’s area.
If we work out the number of people per square kilometer (population density), it is about 550.
Joining the United Nations
San Marino joined the United Nations on March 2, 1992.
That was 36 years after Japan joined in 1956.
8 other countries joined on the same day.
Think about it
Q1Compare San Marino’s population rank and area rank. What do you notice?
Q2Find San Marino on a map or globe. Which countries are around it?
Q3Choose one thing you want to know more about San Marino, 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 14 UN member states in Southern Europe. The one with the most people is Italy.