Iran, Islamic Republic of vs Saudi Arabia: Oil reserves

Iran, Islamic Republic of
33.16 billion cubic meters
in 2021
Saudi Arabia
41.11 billion cubic meters
in 2021
Iran, Islamic Republic of rank
3rd
Saudi Arabia rank
2nd

Oil reserves over time

  • Iran, Islamic Republic of
  • Saudi Arabia
10.0B20.0B30.0B40.0B198020002021

How they compare

Saudi Arabia currently reports 41.11 billion cubic meters against 33.16 billion cubic meters in Iran, Islamic Republic of, a difference of 7.95 billion cubic meters.

That makes Saudi Arabia's figure about 1.2 times Iran, Islamic Republic of's.

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

Iran, Islamic Republic of ranks 3rd and Saudi Arabia ranks 2nd of 212 countries.

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

Head to head by decade

Decade Iran, Islamic Republic of Saudi Arabia Difference Ahead
1980s 9.69 billion cubic meters 26.89 billion cubic meters 17.19 billion cubic meters Saudi Arabia
1990s 14.59 billion cubic meters 41.44 billion cubic meters 26.85 billion cubic meters Saudi Arabia
2000s 18.34 billion cubic meters 41.81 billion cubic meters 23.46 billion cubic meters Saudi Arabia
2010s 24.23 billion cubic meters 42.22 billion cubic meters 17.99 billion cubic meters Saudi Arabia
2020s 28.95 billion cubic meters 41.78 billion cubic meters 12.83 billion cubic meters Saudi Arabia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher oil reserves, Iran, Islamic Republic of or Saudi Arabia?
Saudi Arabia, at 41.11 billion cubic meters against 33.16 billion cubic meters in Iran, Islamic Republic of as of 2021.
What is the difference in oil reserves between Iran, Islamic Republic of and Saudi Arabia?
7.95 billion cubic meters, with Saudi Arabia ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Saudi Arabia?
42 years are reported by both, from 1980 to 2021.
How do Iran, Islamic Republic of and Saudi Arabia rank globally for oil reserves?
Iran, Islamic Republic of ranks 3rd and Saudi Arabia ranks 2nd of 212 countries.
Where does this data come from?
U.S. Energy Information Administration (2022) – with major processing by Our World in Data, published as Oil reserves. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran, Islamic Republic of vs Saudi Arabia: Oil reserves. Statizoid, drawing on U.S. Energy Information Administration (2022) – with major processing by Our World in Data. Retrieved 19 August 2026, from https://energy.statizoid.com/compare/oil-proved-reserves/iran-islamic-rep/saudi-arabia/

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About this data

Indicator
Oil reserves
Unit
cubic meters
Source
U.S. Energy Information Administration (2022) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
216 places, 8,283 data points, 1980–2021
Last refreshed

Proved reserves, measured in cubic meters, are generally those quantities that can be recovered in the future from known reservoirs under existing economic and operating conditions, according to geological and engineering information. Includes crude oil and lease condensate.