Iran, Islamic Republic of vs Japan: Fossil fuel consumption

Iran, Islamic Republic of
3,656 terawatt-hours
in 2025
Japan
3,923 terawatt-hours
in 2025
Iran, Islamic Republic of rank
7th
Japan rank
6th

Fossil fuel consumption over time

  • Iran, Islamic Republic of
  • Japan
02.0k4.0k6.0k196519952025

How they compare

Japan currently reports 3,923 terawatt-hours against 3,656 terawatt-hours in Iran, Islamic Republic of, a difference of 267 terawatt-hours.

That makes Japan's figure about 1.1 times Iran, Islamic Republic of's.

Across all 61 years both countries report, Japan has been ahead every year.

Iran, Islamic Republic of ranks 7th and Japan ranks 6th of 216 countries.

Japan has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade Iran, Islamic Republic of Japan Difference Ahead
1960s 111.88 terawatt-hours 2,139 terawatt-hours 2,027 terawatt-hours Japan
1970s 291.93 terawatt-hours 3,767 terawatt-hours 3,475 terawatt-hours Japan
1980s 548.94 terawatt-hours 3,810 terawatt-hours 3,261 terawatt-hours Japan
1990s 1,031 terawatt-hours 4,726 terawatt-hours 3,694 terawatt-hours Japan
2000s 1,872 terawatt-hours 5,094 terawatt-hours 3,222 terawatt-hours Japan
2010s 2,765 terawatt-hours 4,947 terawatt-hours 2,182 terawatt-hours Japan
2020s 3,488 terawatt-hours 4,155 terawatt-hours 667.05 terawatt-hours Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher fossil fuel consumption, Iran, Islamic Republic of or Japan?
Japan, at 3,923 terawatt-hours against 3,656 terawatt-hours in Iran, Islamic Republic of as of 2025.
What is the difference in fossil fuel consumption between Iran, Islamic Republic of and Japan?
267 terawatt-hours, with Japan ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Japan?
61 years are reported by both, from 1965 to 2025.
How do Iran, Islamic Republic of and Japan rank globally for fossil fuel consumption?
Iran, Islamic Republic of ranks 7th and Japan ranks 6th of 216 countries.
Where does this data come from?
Energy Institute - Statistical Review of World Energy (2026) and other sources – with major processing by Our World in Data, published as Fossil fuel consumption. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Iran, Islamic Republic of vs Japan: Fossil fuel consumption. Statizoid, drawing on Energy Institute - Statistical Review of World Energy (2026) and other sources – with major processing by Our World in Data. Retrieved 18 August 2026, from https://energy.statizoid.com/compare/fossil-fuel-primary-energy/iran-islamic-rep/japan/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://energy.statizoid.com/compare/fossil-fuel-primary-energy/iran-islamic-rep/japan/">Iran, Islamic Republic of vs Japan: Fossil fuel consumption</a> β€” Statizoid

About this data

Indicator
Fossil fuel consumption
Unit
terawatt-hours
Source
Energy Institute - Statistical Review of World Energy (2026) and other sources – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
222 places, 10,754 data points, 1965–2025
Last refreshed

Measured in terawatt-hours. Fossil fuels include coal, oil, and gas.