Guinea is a country in Western Africa, Africa. In 2025 it has about 15.1 million people (UN estimate), the 74th most people of the 193 UN member states.
UN member since 1958Population: 74th
Guineaギニア
Region
Western Africa, Africa
Population
about 15.1 million (74th)
Area
245,836 km² (76th)
UN member since
December 12, 1958
Ranks are among the 193 UN member states, from most people and from largest area.
Guinea in numbers
In 2025 the population is about 15.1 million, the 74th most people of the 193 UN member states. That is about 1/8 of Japan’s (about 123 million).
The area is 245,836 km², the 76th largest of the 193. That is about 1/1 of Japan’s area.
If we work out the number of people per square kilometer (population density), it is about 61.
Joining the United Nations
Guinea joined the United Nations on December 12, 1958.
That was 2 years after Japan joined in 1956.
Think about it
Q1Compare Guinea’s population rank and area rank. What do you notice?
Q2Find Guinea on a map or globe. Which countries are around it?
Q3Choose one thing you want to know more about Guinea, 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 16 UN member states in Western Africa. The one with the most people is Nigeria.