Population

GuineavsSierra Leone
This comparison uses the latest available atlas values for each country; reporting years can differ by metric.
The biggest differences first
Surface area
Guinea is higher
Nominal GDP
Guinea is higher
What stands out
Proportional bars and relative differences make the headline numbers easier to read.
Population
Guinea’s population is 71% larger than that of Sierra Leone, a difference of 6,112,763.
Surface area
Guinea’s surface area is 240% larger than that of Sierra Leone, a difference of 173,560 km².
Population density
Sierra Leone’s population density is 99% higher than that of Guinea, a difference of 59.5 /km².
Nominal GDP
Guinea’s nominal GDP is 259% larger than that of Sierra Leone, a difference of $18.04 billion.
GDP per capita
Guinea’s GDP per capita is 110% higher than that of Sierra Leone, a difference of $888.
Values use the latest available observations in WorldSumma. Economic reporting years are shown when available and can differ by country.
Full side-by-side comparison
Capital
Conakry
Freetown
Population
14,754,785
8,642,022
Surface area
245,860 km²
72,300 km²
Population density
60 /km²
120 /km²
Nominal GDP
$25.01 billion · 2024
$6.97 billion · 2024
GDP per capita
$1,695 · 2024
$807 · 2024
Region
Africa
Africa
Subregion
Western Africa
Western Africa
Currency
Guinean franc · GNF · FG
Sierra Leonean leone · SLL · Le
Nationality
Guinean
Sierra Leonean
Phone code
+224
+232
Internet domain
.gn
.sl
ISO codes
GN / GIN
SL / SLE
Time zone
Africa/Conakry
Africa/Freetown
Native name
Guinée
Sierra Leone
| Measure | Guinea | Sierra Leone |
|---|---|---|
| Capital | Conakry | Freetown |
| Population | 14,754,785 | 8,642,022 |
| Surface area | 245,860 km² | 72,300 km² |
| Population density | 60 /km² | 120 /km² |
| Nominal GDP | $25.01 billion · 2024 | $6.97 billion · 2024 |
| GDP per capita | $1,695 · 2024 | $807 · 2024 |
| Region | Africa | Africa |
| Subregion | Western Africa | Western Africa |
| Currency | Guinean franc · GNF · FG | Sierra Leonean leone · SLL · Le |
| Nationality | Guinean | Sierra Leonean |
| Phone code | +224 | +232 |
| Internet domain | .gn | .sl |
| ISO codes | GN / GIN | SL / SLE |
| Time zone | Africa/Conakry | Africa/Freetown |
| Native name | Guinée | Sierra Leone |
Compare a different pair
Keep one country, change both, or start a completely new comparison.
Country overviews
AI-assisted profile prose · methodologyAbout Guinea
Guinea, a West African nation on the Atlantic coast, boasts a rich tapestry of natural beauty, cultural diversity, and a dynamic history that invites explorers and scholars alike.
Full Guinea profile →About Sierra Leone
Sierra Leone is a country in West Africa, officially known as the Republic of Sierra Leone. It is bordered by Guinea to the north, Liberia to the southeast, and the Atlantic Ocean to the southwest.
Full Sierra Leone profile →Guinea & Sierra Leone: Frequently Asked Questions
What is the capital of Guinea?
The capital of Guinea is Conakry.
What is the population of Guinea?
Guinea has a recorded population of approximately 14,754,785 people.
How big is Guinea?
Guinea covers an area of about 245,860 km².
What is the population density of Guinea?
Guinea has a population density of roughly 60 /km² (people per square kilometre).
What is the GDP of Guinea?
Guinea has a gross domestic product (GDP) of approximately $25.01 billion as of 2024.
What is the GDP per capita of Guinea?
Guinea has a GDP per capita of approximately $1,695.
What currency is used in Guinea?
Guinea uses the Guinean franc (GNF), with the symbol FG.
Where is Guinea located?
Guinea is located in Western Africa, Africa.
What is the native name of Guinea?
The native name of Guinea is Guinée.
What are people from Guinea called?
People from Guinea are referred to as Guinean.
What is the phone calling code for Guinea?
The international dialing code for Guinea is +224.
What is the internet domain for Guinea?
The country code top-level domain (ccTLD) for Guinea is .gn.
What time zone is Guinea in?
Guinea uses the Africa/Conakry time zone.
What is Guinea known for?
Guinea, a West African nation on the Atlantic coast, boasts a rich tapestry of natural beauty, cultural diversity, and a dynamic history that invites explorers and scholars alike.
What is the capital of Sierra Leone?
The capital of Sierra Leone is Freetown.
What is the population of Sierra Leone?
Sierra Leone has a recorded population of approximately 8,642,022 people.
How big is Sierra Leone?
Sierra Leone covers an area of about 72,300 km².
What is the population density of Sierra Leone?
Sierra Leone has a population density of roughly 120 /km² (people per square kilometre).
What is the GDP of Sierra Leone?
Sierra Leone has a gross domestic product (GDP) of approximately $6.97 billion as of 2024.
What is the GDP per capita of Sierra Leone?
Sierra Leone has a GDP per capita of approximately $807.
What currency is used in Sierra Leone?
Sierra Leone uses the Sierra Leonean leone (SLL), with the symbol Le.
Where is Sierra Leone located?
Sierra Leone is located in Western Africa, Africa.
What are people from Sierra Leone called?
People from Sierra Leone are referred to as Sierra Leonean.
What is the phone calling code for Sierra Leone?
The international dialing code for Sierra Leone is +232.
What is the internet domain for Sierra Leone?
The country code top-level domain (ccTLD) for Sierra Leone is .sl.
What time zone is Sierra Leone in?
Sierra Leone uses the Africa/Freetown time zone.
What is Sierra Leone known for?
Sierra Leone is a country in West Africa, officially known as the Republic of Sierra Leone. It is bordered by Guinea to the north, Liberia to the southeast, and the Atlantic Ocean to the southwest.