Japan vs USSR: Primary energy from nuclear
Japan
285.05 terawatt-hours
in 2025
USSR
435.75 terawatt-hours
in 1984
Japan rank
6th
USSR rank
3rd
Primary energy from nuclear over time
- Japan
- USSR
How they compare
USSR currently reports 435.75 terawatt-hours against 285.05 terawatt-hours in Japan, a difference of 150.7 terawatt-hours.
That makes USSR's figure about 1.5 times Japan's.
The two have swapped places 4 times across 20 shared years of data; in 1965 it was USSR ahead.
Japan ranks 6th and USSR ranks 3rd of 213 countries.
Across the 3 decades both report, Japan averaged higher in 1 and USSR in 2.
Head to head by decade
| Decade | Japan | USSR | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 2.04 terawatt-hours | 7.85 terawatt-hours | 5.81 terawatt-hours | USSR |
| 1970s | 82.44 terawatt-hours | 86.44 terawatt-hours | 4 terawatt-hours | USSR |
| 1980s | 316 terawatt-hours | 313.01 terawatt-hours | 2.99 terawatt-hours | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from nuclear, Japan or USSR?
- USSR, at 435.75 terawatt-hours against 285.05 terawatt-hours in Japan as of 1984.
- What is the difference in primary energy from nuclear between Japan and USSR?
- 150.7 terawatt-hours, with USSR ahead.
- How many years of comparable data are there for Japan and USSR?
- 20 years are reported by both, from 1965 to 1984.
- How do Japan and USSR rank globally for primary energy from nuclear?
- Japan ranks 6th and USSR ranks 3rd of 213 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as Primary energy from nuclear. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in terawatt-hours of total energy supply.