Population
🇮🇴 British Indian Ocean TerritoryNo data
🇹🇿 Tanzania68,560,157
Population data is unavailable for British Indian Ocean Territory, so a relative difference cannot be calculated.
Country comparison
British Indian Ocean TerritoryvsTanzania
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
🇹🇿 Tanzania947,300 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
🇹🇿 Tanzania72.4 /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
🇹🇿 Tanzania$78.84 billion · 2024
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
🇹🇿 Tanzania$1,187 · 2024
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
Dodoma
Population
—
68,560,157
Surface area
—
947,300 km²
Population density
—
72.4 /km²
Nominal GDP
—
$78.84 billion · 2024
GDP per capita
—
$1,187 · 2024
Region
Africa
Africa
Subregion
Eastern Africa
Eastern Africa
Currency
United States dollar · USD · $
Tanzanian shilling · TZS · TSh
Nationality
BIOT
Tanzanian
Phone code
+246
+255
Internet domain
.io
.tz
ISO codes
IO / IOT
TZ / TZA
Time zone
Indian/Chagos
Africa/Dar_es_Salaam
Native name
British Indian Ocean Territory
Tanzania
| Measure | British Indian Ocean Territory | Tanzania |
|---|---|---|
| Capital | Diego Garcia | Dodoma |
| Population | — | 68,560,157 |
| Surface area | — | 947,300 km² |
| Population density | — | 72.4 /km² |
| Nominal GDP | — | $78.84 billion · 2024 |
| GDP per capita | — | $1,187 · 2024 |
| Region | Africa | Africa |
| Subregion | Eastern Africa | Eastern Africa |
| Currency | United States dollar · USD · $ | Tanzanian shilling · TZS · TSh |
| Nationality | BIOT | Tanzanian |
| Phone code | +246 | +255 |
| Internet domain | .io | .tz |
| ISO codes | IO / IOT | TZ / TZA |
| Time zone | Indian/Chagos | Africa/Dar_es_Salaam |
| Native name | British Indian Ocean Territory | Tanzania |
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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 Tanzania
Tanzania, a jewel of East Africa, beckons travelers with its sweeping savannas, towering mountains, and vibrant blend of cultures that celebrate both ancient traditions and modern aspirations.
Full Tanzania profile →British Indian Ocean Territory & Tanzania: 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 Tanzania?
The capital of Tanzania is Dodoma.
What is the population of Tanzania?
Tanzania has a recorded population of approximately 68,560,157 people.
How big is Tanzania?
Tanzania covers an area of about 947,300 km².
What is the population density of Tanzania?
Tanzania has a population density of roughly 72.4 /km² (people per square kilometre).
What is the GDP of Tanzania?
Tanzania has a gross domestic product (GDP) of approximately $78.84 billion as of 2024.
What is the GDP per capita of Tanzania?
Tanzania has a GDP per capita of approximately $1,187.
What currency is used in Tanzania?
Tanzania uses the Tanzanian shilling (TZS), with the symbol TSh.
Where is Tanzania located?
Tanzania is located in Eastern Africa, Africa.
What are people from Tanzania called?
People from Tanzania are referred to as Tanzanian.
What is the phone calling code for Tanzania?
The international dialing code for Tanzania is +255.
What is the internet domain for Tanzania?
The country code top-level domain (ccTLD) for Tanzania is .tz.
What time zone is Tanzania in?
Tanzania uses the Africa/Dar_es_Salaam time zone.
What is Tanzania known for?
Tanzania, a jewel of East Africa, beckons travelers with its sweeping savannas, towering mountains, and vibrant blend of cultures that celebrate both ancient traditions and modern aspirations.