Population
Loading WorldSumma…

This comparison uses the latest available atlas values for each country; reporting years can differ by metric.
Population
Surface area
Nominal GDP
Proportional bars and relative differences make the headline numbers easier to read.
Congo’s population is about 26.9× that of Sao Tome and Principe, a difference of 6,097,425.
Congo’s surface area is about 356× that of Sao Tome and Principe, a difference of 341,040 km².
Sao Tome and Principe’s population density is about 13.2× that of Congo, a difference of 227 /km².
Congo’s nominal GDP is about 19.1× that of Sao Tome and Principe, a difference of $14.90 billion.
Sao Tome and Principe’s GDP per capita is 41% higher than that of Congo, a difference of $1,008.
Values use the latest available observations in WorldSumma. Economic reporting years are shown when available and can differ by country.
Brazzaville
Sao Tome
6,332,961
235,536
342,000 km²
960 km²
18.5 /km²
245 /km²
$15.72 billion · 2024
$822.2 million · 2024
$2,482 · 2024
$3,491 · 2024
Africa
Africa
Middle Africa
Middle Africa
Central African CFA franc · XAF · FCFA
Dobra · STN · Db
Congolese
Sao Tomean
+242
+239
.cg
.st
CG / COG
ST / STP
Africa/Brazzaville
Africa/Sao_Tome
République du Congo
São Tomé e Príncipe
| Measure | Congo | Sao Tome and Principe |
|---|---|---|
| Capital | Brazzaville | Sao Tome |
| Population | 6,332,961 | 235,536 |
| Surface area | 342,000 km² | 960 km² |
| Population density | 18.5 /km² | 245 /km² |
| Nominal GDP | $15.72 billion · 2024 | $822.2 million · 2024 |
| GDP per capita | $2,482 · 2024 | $3,491 · 2024 |
| Region | Africa | Africa |
| Subregion | Middle Africa | Middle Africa |
| Currency | Central African CFA franc · XAF · FCFA | Dobra · STN · Db |
| Nationality | Congolese | Sao Tomean |
| Phone code | +242 | +239 |
| Internet domain | .cg | .st |
| ISO codes | CG / COG | ST / STP |
| Time zone | Africa/Brazzaville | Africa/Sao_Tome |
| Native name | République du Congo | São Tomé e Príncipe |
Keep one country, change both, or start a completely new comparison.
Nestled on the western edge of Central Africa, the Republic of the Congo—often called Congo-Brazzaville—offers a vibrant blend of lush rainforests, bustling river cities, and a rich tapestry of cultures that beckon the curious traveler.
Full Congo profile →São Tomé and Príncipe, a Portuguese-speaking island nation in the Gulf of Guinea, off the western equatorial coast of Central Africa, comprises two main islands, São Tomé and Príncipe, and several smaller islets. It is Africa's second-smallest country.
Full Sao Tome and Principe profile →The capital of Congo is Brazzaville.
Congo has a recorded population of approximately 6,332,961 people.
Congo covers an area of about 342,000 km².
Congo has a population density of roughly 18.5 /km² (people per square kilometre).
Congo has a gross domestic product (GDP) of approximately $15.72 billion as of 2024.
Congo has a GDP per capita of approximately $2,482.
Congo uses the Central African CFA franc (XAF), with the symbol FCFA.
Congo is located in Middle Africa, Africa.
The native name of Congo is République du Congo.
People from Congo are referred to as Congolese.
The international dialing code for Congo is +242.
The country code top-level domain (ccTLD) for Congo is .cg.
Congo uses the Africa/Brazzaville time zone.
Nestled on the western edge of Central Africa, the Republic of the Congo—often called Congo-Brazzaville—offers a vibrant blend of lush rainforests, bustling river cities, and a rich tapestry of cultures that beckon the curious traveler.
The capital of Sao Tome and Principe is Sao Tome.
Sao Tome and Principe has a recorded population of approximately 235,536 people.
Sao Tome and Principe covers an area of about 960 km².
Sao Tome and Principe has a population density of roughly 245 /km² (people per square kilometre).
Sao Tome and Principe has a gross domestic product (GDP) of approximately $822.2 million as of 2024.
Sao Tome and Principe has a GDP per capita of approximately $3,491.
Sao Tome and Principe uses the Dobra (STN), with the symbol Db.
Sao Tome and Principe is located in Middle Africa, Africa.
The native name of Sao Tome and Principe is São Tomé e Príncipe.
People from Sao Tome and Principe are referred to as Sao Tomean.
The international dialing code for Sao Tome and Principe is +239.
The country code top-level domain (ccTLD) for Sao Tome and Principe is .st.
Sao Tome and Principe uses the Africa/Sao_Tome time zone.
São Tomé and Príncipe, a Portuguese-speaking island nation in the Gulf of Guinea, off the western equatorial coast of Central Africa, comprises two main islands, São Tomé and Príncipe, and several smaller islets. It is Africa's second-smallest country.