Japan vs Spain: Primary energy from nuclear
Japan
285.05 terawatt-hours
in 2025
Spain
164.3 terawatt-hours
in 2025
Japan rank
6th
Spain rank
8th
Primary energy from nuclear over time
- Japan
- Spain
How they compare
Japan currently reports 285.05 terawatt-hours against 164.3 terawatt-hours in Spain, a difference of 120.75 terawatt-hours.
That makes Japan's figure about 1.7 times Spain's.
The two have swapped places 6 times across 61 shared years of data; in 1965 it was Japan ahead.
Japan ranks 6th and Spain ranks 8th of 213 countries.
Japan has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Japan | Spain | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 2.04 terawatt-hours | 0.5527 terawatt-hours | 1.49 terawatt-hours | Japan |
| 1970s | 82.44 terawatt-hours | 17.56 terawatt-hours | 64.88 terawatt-hours | Japan |
| 1980s | 422.62 terawatt-hours | 82.01 terawatt-hours | 340.61 terawatt-hours | Japan |
| 1990s | 810.3 terawatt-hours | 170.28 terawatt-hours | 640.02 terawatt-hours | Japan |
| 2000s | 870.48 terawatt-hours | 181.49 terawatt-hours | 688.99 terawatt-hours | Japan |
| 2010s | 198.15 terawatt-hours | 176.65 terawatt-hours | 21.5 terawatt-hours | Japan |
| 2020s | 208.3 terawatt-hours | 171.24 terawatt-hours | 37.06 terawatt-hours | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from nuclear, Japan or Spain?
- Japan, at 285.05 terawatt-hours against 164.3 terawatt-hours in Spain as of 2025.
- What is the difference in primary energy from nuclear between Japan and Spain?
- 120.75 terawatt-hours, with Japan ahead.
- How many years of comparable data are there for Japan and Spain?
- 61 years are reported by both, from 1965 to 2025.
- How do Japan and Spain rank globally for primary energy from nuclear?
- Japan ranks 6th and Spain ranks 8th 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.