Population
Population data is unavailable for British Indian Ocean Territory, so a relative difference cannot be calculated.

This comparison uses the latest available atlas values for each country; reporting years can differ by metric.
Proportional bars and relative differences make the headline numbers easier to read.
Population data is unavailable for British Indian Ocean Territory, so a relative difference cannot be calculated.
Surface area data is unavailable for British Indian Ocean Territory, so a relative difference cannot be calculated.
Population density data is unavailable for British Indian Ocean Territory, so a relative difference cannot be calculated.
Nominal GDP data is unavailable for British Indian Ocean Territory, so a relative difference cannot be calculated.
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.
Diego Garcia
Moroni
—
866,628
—
1,861 km²
—
466 /km²
—
$1.44 billion · 2024
—
$1,663 · 2024
Africa
Africa
Eastern Africa
Eastern Africa
United States dollar · USD · $
Comorian franc · KMF · CF
BIOT
Comoran, Comorian
+246
+269
.io
.km
IO / IOT
KM / COM
Indian/Chagos
Indian/Comoro
British Indian Ocean Territory
Komori
| Measure | British Indian Ocean Territory | Comoros |
|---|---|---|
| Capital | Diego Garcia | Moroni |
| Population | — | 866,628 |
| Surface area | — | 1,861 km² |
| Population density | — | 466 /km² |
| Nominal GDP | — | $1.44 billion · 2024 |
| GDP per capita | — | $1,663 · 2024 |
| Region | Africa | Africa |
| Subregion | Eastern Africa | Eastern Africa |
| Currency | United States dollar · USD · $ | Comorian franc · KMF · CF |
| Nationality | BIOT | Comoran, Comorian |
| Phone code | +246 | +269 |
| Internet domain | .io | .km |
| ISO codes | IO / IOT | KM / COM |
| Time zone | Indian/Chagos | Indian/Comoro |
| Native name | British Indian Ocean Territory | Komori |
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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 →Nestled in the warm waters of the Indian Ocean between Madagascar and the African coast, the Union of the Comoros is a petite archipelago of volcanic islands renowned for its stunning marine life, fragrant spice plantations, and a blend of African, Arab, and French influences.
Full Comoros profile →The capital of British Indian Ocean Territory is Diego Garcia.
British Indian Ocean Territory uses the United States dollar (USD), with the symbol $.
British Indian Ocean Territory is located in Eastern Africa, Africa.
People from British Indian Ocean Territory are referred to as BIOT.
The international dialing code for British Indian Ocean Territory is +246.
The country code top-level domain (ccTLD) for British Indian Ocean Territory is .io.
British Indian Ocean Territory uses the Indian/Chagos time zone.
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.
The capital of Comoros is Moroni.
Comoros has a recorded population of approximately 866,628 people.
Comoros covers an area of about 1,861 km².
Comoros has a population density of roughly 466 /km² (people per square kilometre).
Comoros has a gross domestic product (GDP) of approximately $1.44 billion as of 2024.
Comoros has a GDP per capita of approximately $1,663.
Comoros uses the Comorian franc (KMF), with the symbol CF.
Comoros is located in Eastern Africa, Africa.
The native name of Comoros is Komori.
People from Comoros are referred to as Comoran, Comorian.
The international dialing code for Comoros is +269.
The country code top-level domain (ccTLD) for Comoros is .km.
Comoros uses the Indian/Comoro time zone.
Nestled in the warm waters of the Indian Ocean between Madagascar and the African coast, the Union of the Comoros is a petite archipelago of volcanic islands renowned for its stunning marine life, fragrant spice plantations, and a blend of African, Arab, and French influences.