Bulgaria vs Canada: Annual change in primary energy from nuclear
Bulgaria
-1.34 terawatt-hours
in 2025
Canada
-0.5136 terawatt-hours
in 2025
Bulgaria rank
209th
Canada rank
207th
Annual change in primary energy from nuclear over time
- Bulgaria
- Canada
How they compare
Canada currently reports -0.5136 terawatt-hours against -1.34 terawatt-hours in Bulgaria, a difference of 0.8264 terawatt-hours.
The two have swapped places 30 times across 60 shared years of data; in 1966 it was Canada ahead.
Bulgaria ranks 209th and Canada ranks 207th of 218 countries.
Across the 7 decades both report, Bulgaria averaged higher in 2 and Canada in 5.
Head to head by decade
| Decade | Bulgaria | Canada | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0.3038 terawatt-hours | 0.3038 terawatt-hours | Canada |
| 1970s | 1.87 terawatt-hours | 10.53 terawatt-hours | 8.66 terawatt-hours | Canada |
| 1980s | 2.54 terawatt-hours | 13.35 terawatt-hours | 10.81 terawatt-hours | Canada |
| 1990s | 0.3782 terawatt-hours | -1.92 terawatt-hours | 2.3 terawatt-hours | Bulgaria |
| 2000s | -0.1691 terawatt-hours | 5 terawatt-hours | 5.16 terawatt-hours | Canada |
| 2010s | 0.3937 terawatt-hours | 3.34 terawatt-hours | 2.95 terawatt-hours | Canada |
| 2020s | -0.6166 terawatt-hours | -7.91 terawatt-hours | 7.3 terawatt-hours | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from nuclear, Bulgaria or Canada?
- Canada, at -0.5136 terawatt-hours against -1.34 terawatt-hours in Bulgaria as of 2025.
- What is the difference in annual change in primary energy from nuclear between Bulgaria and Canada?
- 0.8264 terawatt-hours, with Canada ahead.
- How many years of comparable data are there for Bulgaria and Canada?
- 60 years are reported by both, from 1966 to 2025.
- How do Bulgaria and Canada rank globally for annual change in primary energy from nuclear?
- Bulgaria ranks 209th and Canada ranks 207th of 218 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 Annual change in primary energy from nuclear. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.