What is the difference in share of primary energy from oil between Iran (Islamic Republic of) and Viet Nam?

0.0%, with Iran (Islamic Republic of) ahead.

How many years of comparable data are there for Iran (Islamic Republic of) and Viet Nam?

61 years are reported by both, from 1965 to 2025.

Where does this data come from?

Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as Share of primary energy from oil. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran (Islamic Republic of) vs Viet Nam: Share of primary energy from oil

Iran (Islamic Republic of)

29.1%

in 2025

Viet Nam

29.1%

in 2025

Iran (Islamic Republic of) rank

63rd

Viet Nam rank

64th

Share of primary energy from oil over time

Iran (Islamic Republic of)
Viet Nam

How they compare

Iran (Islamic Republic of) currently reports 29.1% against 29.1% in Viet Nam, a difference of 0.0%.

The two have swapped places 14 times across 61 shared years of data; in 1965 it was Iran (Islamic Republic of) ahead.

Iran (Islamic Republic of) ranks 63rd and Viet Nam ranks 64th of 80 countries.

Across the 7 decades both report, Iran (Islamic Republic of) averaged higher in 6 and Viet Nam in 1.

Head to head by decade

Decade	Iran (Islamic Republic of)	Viet Nam	Difference	Ahead
1960s	87.8%	77.2%	10.5%	Iran (Islamic Republic of)
1970s	81.4%	54.5%	27.0%	Iran (Islamic Republic of)
1980s	80.5%	41.9%	38.6%	Iran (Islamic Republic of)
1990s	66.8%	54.6%	12.2%	Iran (Islamic Republic of)
2000s	48.3%	49.0%	0.7%	Viet Nam
2010s	34.7%	34.5%	0.1%	Iran (Islamic Republic of)
2020s	29.2%	27.7%	1.6%	Iran (Islamic Republic of)

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of primary energy from oil, Iran (Islamic Republic of) or Viet Nam?: Iran (Islamic Republic of), at 29.1% against 29.1% in Viet Nam as of 2025.
What is the difference in share of primary energy from oil between Iran (Islamic Republic of) and Viet Nam?: 0.0%, with Iran (Islamic Republic of) ahead.
How many years of comparable data are there for Iran (Islamic Republic of) and Viet Nam?: 61 years are reported by both, from 1965 to 2025.
How do Iran (Islamic Republic of) and Viet Nam rank globally for share of primary energy from oil?: Iran (Islamic Republic of) ranks 63rd and Viet Nam ranks 64th of 80 countries.
Where does this data come from?: Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as Share of primary energy from oil. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran (Islamic Republic of) vs Viet Nam: Share of primary energy from oil. Statizoid, drawing on Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Retrieved 21 August 2026, from https://energy.statizoid.com/compare/oil-share-energy/iran-islamic-rep/viet-nam/

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About this data

Indicator: Share of primary energy from oil
Unit: %
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 82 places, 4,680 data points, 1965–2025
Last refreshed: 07 August 2026

Measured as a percentage of total energy supply.