Bulgaria vs Canada: Annual percentage change in primary energy from hydropower
Bulgaria
-0.2%
in 2025
Canada
0.5%
in 2025
Bulgaria rank
26th
Canada rank
24th
Annual percentage change in primary energy from hydropower over time
- Bulgaria
- Canada
How they compare
Canada currently reports 0.5% against -0.2% in Bulgaria, a difference of 0.7%.
That makes Canada's figure about 2.8 times Bulgaria's.
The two have swapped places 28 times across 60 shared years of data; in 1966 it was Canada ahead.
Bulgaria ranks 26th and Canada ranks 24th of 68 countries.
Across the 7 decades both report, Bulgaria averaged higher in 5 and Canada in 2.
Head to head by decade
| Decade | Bulgaria | Canada | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 1.6% | 6.4% | 4.7% | Canada |
| 1970s | 7.2% | 5.0% | 2.2% | Bulgaria |
| 1980s | -1.1% | 1.8% | 3.0% | Canada |
| 1990s | 4.7% | 1.8% | 2.9% | Bulgaria |
| 2000s | 5.7% | 0.8% | 5.0% | Bulgaria |
| 2010s | 5.9% | 0.4% | 5.5% | Bulgaria |
| 2020s | 2.9% | -1.4% | 4.3% | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual percentage change in primary energy from hydropower, Bulgaria or Canada?
- Canada, at 0.5% against -0.2% in Bulgaria as of 2025.
- What is the difference in annual percentage change in primary energy from hydropower between Bulgaria and Canada?
- 0.7%, 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 percentage change in primary energy from hydropower?
- Bulgaria ranks 26th and Canada ranks 24th of 68 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 percentage change in primary energy from hydropower. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Percentage change in total energy supply relative to the previous year.