Iran vs Japan: Electricity generation from fossil fuels, nuclear and renewables
Iran
373.22 terawatt-hours
in 2025
Japan
693.04 terawatt-hours
in 2025
Iran rank
8th
Japan rank
5th
Electricity generation from fossil fuels, nuclear and renewables over time
- Iran
- Japan
How they compare
Japan currently reports 693.04 terawatt-hours against 373.22 terawatt-hours in Iran, a difference of 319.82 terawatt-hours.
That makes Japan's figure about 1.9 times Iran's.
Across all 36 years both countries report, Japan has been ahead every year.
Iran ranks 8th and Japan ranks 5th of 208 countries.
Japan has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Iran | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 75.15 terawatt-hours | 608.99 terawatt-hours | 533.84 terawatt-hours | Japan |
| 2000s | 160.2 terawatt-hours | 738.15 terawatt-hours | 577.94 terawatt-hours | Japan |
| 2010s | 256.08 terawatt-hours | 874.63 terawatt-hours | 618.55 terawatt-hours | Japan |
| 2020s | 346.53 terawatt-hours | 735.62 terawatt-hours | 389.09 terawatt-hours | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher electricity generation from fossil fuels, nuclear and renewables, Iran or Japan?
- Japan, at 693.04 terawatt-hours against 373.22 terawatt-hours in Iran as of 2025.
- What is the difference in electricity generation from fossil fuels, nuclear and renewables between Iran and Japan?
- 319.82 terawatt-hours, with Japan ahead.
- How many years of comparable data are there for Iran and Japan?
- 36 years are reported by both, from 1990 to 2025.
- How do Iran and Japan rank globally for electricity generation from fossil fuels, nuclear and renewables?
- Iran ranks 8th and Japan ranks 5th of 208 countries.
- Where does this data come from?
- Ember (2026) and other sources – with major processing by Our World in Data, published as Electricity generation from fossil fuels, nuclear and renewables. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Electricity generation from coal, oil, and gas, measured in terawatt-hours.