Argentina is a country in South America, Latin America and the Caribbean. In 2025 it has about 45.9 million people (UN estimate), the 35th most people of the 193 UN member states.
UN member since 1945Population: 35th
Argentinaアルゼンチン
Region
South America, Latin America and the Caribbean
Population
about 45.9 million (35th)
Area
2,796,427 km² (8th)
UN member since
October 24, 1945
Ranks are among the 193 UN member states, from most people and from largest area.
Argentina in numbers
In 2025 the population is about 45.9 million, the 35th most people of the 193 UN member states. That is about 1/2 of Japan’s (about 123 million).
The area is 2,796,427 km², the 8th largest of the 193. That is about 7.4 times Japan’s area. The area does not include Antarctic territory.
If we work out the number of people per square kilometer (population density), it is about 16.
Joining the United Nations
Argentina joined the United Nations on October 24, 1945.
It was a member before Japan joined in 1956.
26 other countries joined on the same day.
Think about it
Q1Compare Argentina’s population rank and area rank. What do you notice?
Q2Find Argentina on a map or globe. Which countries are around it?
Q3Choose one thing you want to know more about Argentina, 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 12 UN member states in South America. The one with the most people is Brazil.