Population
🇮🇴 British Indian Ocean TerritoryNo data
🇪🇷 Eritrea3,535,603
Population data is unavailable for British Indian Ocean Territory, so a relative difference cannot be calculated.
Country comparison
British Indian Ocean TerritoryvsEritrea
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.
What stands out
Proportional bars and relative differences make the headline numbers easier to read.
Surface area
🇮🇴 British Indian Ocean TerritoryNo data
🇪🇷 Eritrea121,766 km²
Surface area data is unavailable for British Indian Ocean Territory, so a relative difference cannot be calculated.
Population density
🇮🇴 British Indian Ocean TerritoryNo data
🇪🇷 Eritrea29 /km²
Population density data is unavailable for British Indian Ocean Territory, so a relative difference cannot be calculated.
Nominal GDP
🇮🇴 British Indian Ocean TerritoryNo data
🇪🇷 Eritrea$2.07 billion · 2011
Nominal GDP data is unavailable for British Indian Ocean Territory, so a relative difference cannot be calculated.
GDP per capita
🇮🇴 British Indian Ocean TerritoryNo data
🇪🇷 Eritrea$689 · 2011
GDP per capita data is unavailable for British Indian Ocean Territory, so a relative difference cannot be calculated.
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
Diego Garcia
Asmara
Population
—
3,535,603
Surface area
—
121,766 km²
Population density
—
29 /km²
Nominal GDP
—
$2.07 billion · 2011
GDP per capita
—
$689 · 2011
Region
Africa
Africa
Subregion
Eastern Africa
Eastern Africa
Currency
United States dollar · USD · $
Eritrean nakfa · ERN · Nfk
Nationality
BIOT
Eritrean
Phone code
+246
+291
Internet domain
.io
.er
ISO codes
IO / IOT
ER / ERI
Time zone
Indian/Chagos
Africa/Asmara
Native name
British Indian Ocean Territory
ኤርትራ
| Measure | British Indian Ocean Territory | Eritrea |
|---|---|---|
| Capital | Diego Garcia | Asmara |
| Population | — | 3,535,603 |
| Surface area | — | 121,766 km² |
| Population density | — | 29 /km² |
| Nominal GDP | — | $2.07 billion · 2011 |
| GDP per capita | — | $689 · 2011 |
| Region | Africa | Africa |
| Subregion | Eastern Africa | Eastern Africa |
| Currency | United States dollar · USD · $ | Eritrean nakfa · ERN · Nfk |
| Nationality | BIOT | Eritrean |
| Phone code | +246 | +291 |
| Internet domain | .io | .er |
| ISO codes | IO / IOT | ER / ERI |
| Time zone | Indian/Chagos | Africa/Asmara |
| Native name | British Indian Ocean Territory | ኤርትራ |
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Country overviews
AI-assisted profile prose · methodologyAbout British Indian Ocean Territory
The British Indian Ocean Territory (BIOT) is a remote British Overseas Territory scattered across the central Indian Ocean, best known for its strategic military base on Diego Garcia and its pristine coral atolls that whisper of an untouched tropical paradise.
Full British Indian Ocean Territory profile →About Eritrea
Eritrea, a youthful nation on the Horn of Africa, boasts a dramatic coastline along the Red Sea and a tapestry of peoples, languages, and landscapes that make it one of the continent’s most intriguing destinations.
Full Eritrea profile →British Indian Ocean Territory & Eritrea: Frequently Asked Questions
What is the capital of British Indian Ocean Territory?
The capital of British Indian Ocean Territory is Diego Garcia.
What currency is used in British Indian Ocean Territory?
British Indian Ocean Territory uses the United States dollar (USD), with the symbol $.
Where is British Indian Ocean Territory located?
British Indian Ocean Territory is located in Eastern Africa, Africa.
What are people from British Indian Ocean Territory called?
People from British Indian Ocean Territory are referred to as BIOT.
What is the phone calling code for British Indian Ocean Territory?
The international dialing code for British Indian Ocean Territory is +246.
What is the internet domain for British Indian Ocean Territory?
The country code top-level domain (ccTLD) for British Indian Ocean Territory is .io.
What time zone is British Indian Ocean Territory in?
British Indian Ocean Territory uses the Indian/Chagos time zone.
What is British Indian Ocean Territory known for?
The British Indian Ocean Territory (BIOT) is a remote British Overseas Territory scattered across the central Indian Ocean, best known for its strategic military base on Diego Garcia and its pristine coral atolls that whisper of an untouched tropical paradise.
What is the capital of Eritrea?
The capital of Eritrea is Asmara.
What is the population of Eritrea?
Eritrea has a recorded population of approximately 3,535,603 people.
How big is Eritrea?
Eritrea covers an area of about 121,766 km².
What is the population density of Eritrea?
Eritrea has a population density of roughly 29 /km² (people per square kilometre).
What is the GDP of Eritrea?
Eritrea has a gross domestic product (GDP) of approximately $2.07 billion as of 2011.
What is the GDP per capita of Eritrea?
Eritrea has a GDP per capita of approximately $689.
What currency is used in Eritrea?
Eritrea uses the Eritrean nakfa (ERN), with the symbol Nfk.
Where is Eritrea located?
Eritrea is located in Eastern Africa, Africa.
What is the native name of Eritrea?
The native name of Eritrea is ኤርትራ.
What are people from Eritrea called?
People from Eritrea are referred to as Eritrean.
What is the phone calling code for Eritrea?
The international dialing code for Eritrea is +291.
What is the internet domain for Eritrea?
The country code top-level domain (ccTLD) for Eritrea is .er.
What time zone is Eritrea in?
Eritrea uses the Africa/Asmara time zone.
What is Eritrea known for?
Eritrea, a youthful nation on the Horn of Africa, boasts a dramatic coastline along the Red Sea and a tapestry of peoples, languages, and landscapes that make it one of the continent’s most intriguing destinations.