Population
Chad is higher
Chad records 20,299,123, about 86.2× the other value.
Country comparison
ChadvsSao Tome and Principe
See the biggest differences first, then scan the geographic, economic, and practical reference data.
This comparison uses the latest available atlas values for each country; reporting years can differ by metric.
The biggest differences first
Surface area
Chad is higher
Chad records 1,284,000 km², about 1337.5× the other value.
Nominal GDP
Chad is higher
Chad records $19.52 billion, about 23.7× the other value.
What stands out
Proportional bars and relative differences make the headline numbers easier to read.
Population
🇹🇩 Chad20,299,123
🇸🇹 Sao Tome and Principe235,536
Chad’s population is about 86.2× that of Sao Tome and Principe, a difference of 20,063,587.
Surface area
🇹🇩 Chad1,284,000 km²
🇸🇹 Sao Tome and Principe960 km²
Chad’s surface area is about 1,338× that of Sao Tome and Principe, a difference of 1,283,040 km².
Population density
🇹🇩 Chad15.8 /km²
🇸🇹 Sao Tome and Principe245 /km²
Sao Tome and Principe’s population density is about 15.5× that of Chad, a difference of 230 /km².
Nominal GDP
🇹🇩 Chad$19.52 billion · 2024
🇸🇹 Sao Tome and Principe$822.2 million · 2024
Chad’s nominal GDP is about 23.7× that of Sao Tome and Principe, a difference of $18.70 billion.
GDP per capita
🇹🇩 Chad$962 · 2024
🇸🇹 Sao Tome and Principe$3,491 · 2024
Sao Tome and Principe’s GDP per capita is 263% higher than that of Chad, a difference of $2,529.
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
N'Djamena
Sao Tome
Population
20,299,123
235,536
Surface area
1,284,000 km²
960 km²
Population density
15.8 /km²
245 /km²
Nominal GDP
$19.52 billion · 2024
$822.2 million · 2024
GDP per capita
$962 · 2024
$3,491 · 2024
Region
Africa
Africa
Subregion
Middle Africa
Middle Africa
Currency
Central African CFA franc · XAF · FCFA
Dobra · STN · Db
Nationality
Chadian
Sao Tomean
Phone code
+235
+239
Internet domain
.td
.st
ISO codes
TD / TCD
ST / STP
Time zone
Africa/Ndjamena
Africa/Sao_Tome
Native name
Tchad
São Tomé e Príncipe
| Measure | Chad | Sao Tome and Principe |
|---|---|---|
| Capital | N'Djamena | Sao Tome |
| Population | 20,299,123 | 235,536 |
| Surface area | 1,284,000 km² | 960 km² |
| Population density | 15.8 /km² | 245 /km² |
| Nominal GDP | $19.52 billion · 2024 | $822.2 million · 2024 |
| GDP per capita | $962 · 2024 | $3,491 · 2024 |
| Region | Africa | Africa |
| Subregion | Middle Africa | Middle Africa |
| Currency | Central African CFA franc · XAF · FCFA | Dobra · STN · Db |
| Nationality | Chadian | Sao Tomean |
| Phone code | +235 | +239 |
| Internet domain | .td | .st |
| ISO codes | TD / TCD | ST / STP |
| Time zone | Africa/Ndjamena | Africa/Sao_Tome |
| Native name | Tchad | São Tomé e Príncipe |
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Country overviews
AI-assisted profile prose · methodologyAbout Chad
Nestled in the heart of Africa, Chad is a land of stark contrasts and hidden wonders, where sweeping deserts meet verdant savannas and vibrant traditions echo across its bustling markets.
Full Chad profile →About Sao Tome and Principe
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 →Chad & Sao Tome and Principe: Frequently Asked Questions
What is the capital of Chad?
The capital of Chad is N'Djamena.
What is the population of Chad?
Chad has a recorded population of approximately 20,299,123 people.
How big is Chad?
Chad covers an area of about 1,284,000 km².
What is the population density of Chad?
Chad has a population density of roughly 15.8 /km² (people per square kilometre).
What is the GDP of Chad?
Chad has a gross domestic product (GDP) of approximately $19.52 billion as of 2024.
What is the GDP per capita of Chad?
Chad has a GDP per capita of approximately $962.
What currency is used in Chad?
Chad uses the Central African CFA franc (XAF), with the symbol FCFA.
Where is Chad located?
Chad is located in Middle Africa, Africa.
What is the native name of Chad?
The native name of Chad is Tchad.
What are people from Chad called?
People from Chad are referred to as Chadian.
What is the phone calling code for Chad?
The international dialing code for Chad is +235.
What is the internet domain for Chad?
The country code top-level domain (ccTLD) for Chad is .td.
What time zone is Chad in?
Chad uses the Africa/Ndjamena time zone.
What is Chad known for?
Nestled in the heart of Africa, Chad is a land of stark contrasts and hidden wonders, where sweeping deserts meet verdant savannas and vibrant traditions echo across its bustling markets.
What is the capital of Sao Tome and Principe?
The capital of Sao Tome and Principe is Sao Tome.
What is the population of Sao Tome and Principe?
Sao Tome and Principe has a recorded population of approximately 235,536 people.
How big is Sao Tome and Principe?
Sao Tome and Principe covers an area of about 960 km².
What is the population density of Sao Tome and Principe?
Sao Tome and Principe has a population density of roughly 245 /km² (people per square kilometre).
What is the GDP of Sao Tome and Principe?
Sao Tome and Principe has a gross domestic product (GDP) of approximately $822.2 million as of 2024.
What is the GDP per capita of Sao Tome and Principe?
Sao Tome and Principe has a GDP per capita of approximately $3,491.
What currency is used in Sao Tome and Principe?
Sao Tome and Principe uses the Dobra (STN), with the symbol Db.
Where is Sao Tome and Principe located?
Sao Tome and Principe is located in Middle Africa, Africa.
What is the native name of Sao Tome and Principe?
The native name of Sao Tome and Principe is São Tomé e Príncipe.
What are people from Sao Tome and Principe called?
People from Sao Tome and Principe are referred to as Sao Tomean.
What is the phone calling code for Sao Tome and Principe?
The international dialing code for Sao Tome and Principe is +239.
What is the internet domain for Sao Tome and Principe?
The country code top-level domain (ccTLD) for Sao Tome and Principe is .st.
What time zone is Sao Tome and Principe in?
Sao Tome and Principe uses the Africa/Sao_Tome time zone.
What is Sao Tome and Principe known for?
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.