Canada vs Japan: Primary energy from nuclear
Canada
257.05 terawatt-hours
in 2025
Japan
285.05 terawatt-hours
in 2025
Canada rank
8th
Japan rank
7th
Primary energy from nuclear over time
- Canada
- Japan
How they compare
Japan currently reports 285.05 terawatt-hours against 257.05 terawatt-hours in Canada, a difference of 28 terawatt-hours.
That makes Japan's figure about 1.1 times Canada's.
The two have swapped places 5 times across 61 shared years of data; in 1965 it was Canada ahead.
Canada ranks 8th and Japan ranks 7th of 219 countries.
Across the 7 decades both report, Canada averaged higher in 2 and Japan in 5.
Head to head by decade
| Decade | Canada | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 1.15 terawatt-hours | 2.04 terawatt-hours | 0.8873 terawatt-hours | Japan |
| 1970s | 50.08 terawatt-hours | 82.44 terawatt-hours | 32.36 terawatt-hours | Japan |
| 1980s | 178.33 terawatt-hours | 422.62 terawatt-hours | 244.29 terawatt-hours | Japan |
| 1990s | 258.3 terawatt-hours | 810.3 terawatt-hours | 552 terawatt-hours | Japan |
| 2000s | 258.76 terawatt-hours | 870.48 terawatt-hours | 611.72 terawatt-hours | Japan |
| 2010s | 299.81 terawatt-hours | 198.15 terawatt-hours | 101.66 terawatt-hours | Canada |
| 2020s | 269.89 terawatt-hours | 208.3 terawatt-hours | 61.59 terawatt-hours | Canada |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from nuclear, Canada or Japan?
- Japan, at 285.05 terawatt-hours against 257.05 terawatt-hours in Canada as of 2025.
- What is the difference in primary energy from nuclear between Canada and Japan?
- 28 terawatt-hours, with Japan ahead.
- How many years of comparable data are there for Canada and Japan?
- 61 years are reported by both, from 1965 to 2025.
- How do Canada and Japan rank globally for primary energy from nuclear?
- Canada ranks 8th and Japan ranks 7th of 219 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.