Brunei vs Iran: Oil reserves, per square kilometre

Brunei
33,185 cubic meters per square kilometre
in 2021
Iran
20,441 cubic meters per square kilometre
in 2021
Brunei rank
7th
Iran rank
8th

Oil reserves, per square kilometre over time

  • Brunei
  • Iran
010.0k20.0k30.0k40.0k50.0k198020002021

How they compare

Brunei currently reports 33,185 cubic meters per square kilometre against 20,441 cubic meters per square kilometre in Iran, a difference of 12,744 cubic meters per square kilometre.

That makes Brunei's figure about 1.6 times Iran's.

Across all 42 years both countries report, Brunei has been ahead every year.

Brunei ranks 7th and Iran ranks 8th of 201 countries.

Brunei has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade Brunei Iran Difference Ahead
1980s 44,923 cubic meters per square kilometre 5,951 cubic meters per square kilometre 38,972 cubic meters per square kilometre Brunei
1990s 40,803 cubic meters per square kilometre 8,955 cubic meters per square kilometre 31,847 cubic meters per square kilometre Brunei
2000s 38,465 cubic meters per square kilometre 11,261 cubic meters per square kilometre 27,203 cubic meters per square kilometre Brunei
2010s 33,185 cubic meters per square kilometre 14,896 cubic meters per square kilometre 18,289 cubic meters per square kilometre Brunei
2020s 33,185 cubic meters per square kilometre 17,844 cubic meters per square kilometre 15,341 cubic meters per square kilometre Brunei

Averages of every year both report within each decade.

Frequently asked questions

Which has higher oil reserves, per square kilometre, Brunei or Iran?
Brunei, at 33,185 cubic meters per square kilometre against 20,441 cubic meters per square kilometre in Iran as of 2021.
What is the difference in oil reserves, per square kilometre between Brunei and Iran?
12,744 cubic meters per square kilometre, with Brunei ahead.
How many years of comparable data are there for Brunei and Iran?
42 years are reported by both, from 1980 to 2021.
How do Brunei and Iran rank globally for oil reserves, per square kilometre?
Brunei ranks 7th and Iran ranks 8th of 201 countries.
Where does this data come from?
Statizoid (derived), published as Oil reserves, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Brunei vs Iran: Oil reserves, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 01 September 2026, from https://energy.statizoid.com/compare/oil-reserves-per-square-kilometre/brunei-darussalam/iran-islamic-rep/

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About this data

Indicator
Oil reserves, per square kilometre
Unit
cubic meters per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
201 places, 7,613 data points, 1980–2021
Last refreshed

Oil reserves divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.