Statizoid

Share of primary energy from nuclear in Iran

Iran: Share of primary energy from nuclear was 0.4% in 2025. ◆ Volatile

Latest (2025)
0.4%
Change on year
down 23.9%
World rank
31st
of 215 countries
All-time high
0.7%
in 2017
All-time low
0.0%
in 1965
Years of data
61
1965–2025

Share of primary energy from nuclear in Iran, 1965–2025

00.20.40.60.8196519952025

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. Measured in %.

Analysis

In 2025, share of primary energy from nuclear in Iran stood at 0.4%.

The figure is down 23.9% on the previous year and up 14.6% over ten years.

Over the whole period, share of primary energy from nuclear in Iran peaked at 0.7% in 2017 and was at its lowest, 0.0%, in 1965.

That places Iran 31st out of 215 countries with data for 2025, putting it in the top quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Averages by decade

DecadeAverage LowestHighest Years
1960s 0.0% 0.0% 0.0% 5
1970s 0.0% 0.0% 0.0% 10
1980s 0.0% 0.0% 0.0% 10
1990s 0.0% 0.0% 0.0% 10
2000s 0.0% 0.0% 0.0% 10
2010s 0.4% 0.0% 0.7% 10
2020s 0.5% 0.3% 0.6% 6

Countries ranked near Iran

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See the full ranking of 218 places →

More energy & mining data for Iran

All data for Iran →

Frequently asked questions

What is share of primary energy from nuclear in Iran?
Share of primary energy from nuclear in Iran was 0.4% in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
What is the highest share of primary energy from nuclear recorded in Iran?
The highest recorded value was 0.7% in 2017.
What is the lowest share of primary energy from nuclear recorded in Iran?
The lowest recorded value was 0.0% in 1965.
How does Iran rank for share of primary energy from nuclear?
Iran ranks 31st out of 215 countries with data for 2025.
Is share of primary energy from nuclear rising or falling in Iran?
Over the last ten years it is up 14.6%. The long-run trend across the full record is volatile.
Where does this Iran data come from?
The figures 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 part of Share of primary energy from nuclear. Statizoid updates them automatically from the source API.

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CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Share of primary energy from nuclear
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
218 places, 10,361 data points, 1965–2025
Last refreshed

Measured as a percentage of total energy supply.