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Who does the British Indian Ocean Territory rely on?

The largest supplier of the British Indian Ocean Territory in 2024 is Singapore, with 53% of what the British Indian Ocean Territory buys. Its share was 34.4% in 2019 and 0% in 1995. 7 of the 7 products the British Indian Ocean Territory buys for more than $1 million have a supplier selling more than 50% of what the British Indian Ocean Territory buys of that product; in 7, more than 75%. In those products, purchases from each one’s dominant supplier add up to 80.2% of what the British Indian Ocean Territory buys.

Summary

Largest supplier: Singapore
53%
Concentration (HHI)
4,445
Products with a supplier above 50%
7
Products with a supplier above 75%
7

Concentration index (HHI): 4,445 out of 10,000; equivalent to splitting purchases among 2 suppliers of the same size

Trend

Trend in shares

Singapore went from 0% to 53% of what the British Indian Ocean Territory buys

Share (%)

  • Singapore 53%
  • Greece 40.2%
  • United States 5.1%
  • Panama 0.82%
  • United Kingdom 0.42%

Source: CEPII BACI

Show the numbers
YearLargest supplierShare
1995United Kingdom47.6%
1996United Kingdom48.7%
1997United Kingdom41.3%
1998Turkey53.6%
1999Singapore61.7%
2000Singapore30.2%
2001Singapore57.4%
2002Singapore67.8%
2003United States46.3%
2004United States34.4%
2005Germany47.2%
2006Germany55.6%
2007Germany59.2%
2008Germany22%
2009Germany33.1%
2010Canada44.2%
2011Singapore72%
2012Singapore73.3%
2013Russia42%
2014Panama54.9%
2015Panama57%
2016Singapore74.5%
2017United States47.4%
2018Panama32.2%
2019Singapore34.4%
2020Singapore39.5%
2021Singapore64.4%
2022Singapore73.9%
2023Greece52.3%
2024Singapore53%

Its suppliers

  1. Singapore$45 million · 53%
  2. Greece$34 million · 40.2%
  3. United States$4 million · 5.1%
  4. Panama$703 thousand · 0.82%
  5. United Kingdom$359 thousand · 0.42%
  6. Madagascar$98 thousand · 0.12%
  7. Turkey$70 thousand · 0.08%
  8. Morocco$64 thousand · 0.07%
  9. Netherlands$54 thousand · 0.06%
  10. Malaysia$50 thousand · 0.06%

Some of these goods may have been produced in another country: countries record origin in different ways.

Products with a dominant supplier

Of the 7 products the British Indian Ocean Territory buys for more than $1 million in 2024, these are the highest-value ones with a dominant supplier.

ProductSupplierShareSecondValue
Refined petroleumGreece100%over 75%United States · 0.01%$34 million
Prefabricated buildingsSingapore100%over 75%—$15 million
Aluminum structuresSingapore100%over 75%Panama · 0.03%$8 million
Animal by-productsSingapore100%over 75%—$7 million
Steel structuresSingapore85.9%over 75%Panama · 14.1%$3 million
Medical and dental instrumentsUnited States99.9%over 75%Singapore · 0.06%$1 million
Sorting and crushing machinesSingapore100%over 75%—$1 million

A product has a dominant supplier when a single country sells more than 50% of what is bought of it; we flag it separately above 75%.

Some of these goods may have been produced in another country: countries record origin in different ways.

Countries that sell more than 50% of some product; the darker, the higher the value of those products.

Selling: who it relies on

Largest customer: Singapore
51.7%
Concentration (HHI)
3,935

Concentration index (HHI): 3,935 out of 10,000; equivalent to splitting sales among 3 customers of the same size

Trend in shares

Singapore went from 0% to 51.7% of what the British Indian Ocean Territory sells

Share (%)

  • Singapore 51.7%
  • Cabo Verde 35.4%
  • United States 2.1%
  • France 2.1%
  • Pakistan 2%

Source: CEPII BACI

Show the numbers
YearLargest customerShare
1995Germany86.3%
1996Germany81.4%
1997United States46.6%
1998Germany52.4%
1999Singapore93.3%
2000Singapore91%
2001Singapore96.1%
2002Singapore95.6%
2003Nigeria17.5%
2004Indonesia29.1%
2005Dominican Republic31.5%
2006Costa Rica24.3%
2007Nigeria19.8%
2008Mozambique53.8%
2009Sudan43.2%
2010United States26.9%
2011United States39.8%
2012United States62.1%
2013United States53.5%
2014Singapore55.3%
2015United States48.8%
2016United States59.7%
2017United States47.4%
2018Singapore51.6%
2019Brunei90.1%
2020Singapore85.4%
2021Singapore68.2%
2022Singapore77.2%
2023Singapore84.5%
2024Singapore51.7%

2 of the 2 products the British Indian Ocean Territory sells for more than $1 million have a customer buying more than 50% of what the British Indian Ocean Territory sells of that product; in 2, more than 75%. In those products, sales to each one’s dominant customer add up to 80.5% of what the British Indian Ocean Territory sells.

ProductCustomerShareSecondValue
Frozen fishSingapore100%over 75%—$11 million
Refined petroleumCabo Verde99.8%over 75%Singapore · 0.16%$7 million

Concentration compared

The closest countries in the concentration ranking (HHI, highest first).

RankCountryHHI
12Bermuda4,519
13Laos4,510
14British Indian Ocean Territory4,445
15Anguilla4,358
16Falkland Islands (Malvinas)4,162
17Bahamas4,078

Sources and method

Sources and licenses

Methodology

The data come from CEPII BACI (Etalab 2.0 licence), which reconciles what the exporting and the importing country report, in current USD, FOB. Data up to 2024.

Dependence is the share of a country’s imports (or exports) that each partner accounts for. It does not measure whether a product has a substitute or how much it would cost to change supplier.

The concentration index (HHI) adds up the square of each partner’s share, in percent: it runs from 0 to 10,000. Its equivalent is 10,000 ÷ HHI, the number of partners of the same size that would give that value.

Products are HS4 headings of the 1992 nomenclature (some combine different goods), with a floor of $1 million per product and country.

The EU is the 27 current members in every year; the United Kingdom is outside the EU throughout the series.

Re-exports: countries that act as redistribution hubs carry their notice and the figures are not corrected.