Denmark vs Slovakia: Annual percentage change in primary energy from hydropower
Denmark
-65.4%
in 2025
Slovakia
-38.7%
in 2025
Denmark rank
71st
Slovakia rank
69th
Annual percentage change in primary energy from hydropower over time
- Denmark
- Slovakia
How they compare
Slovakia currently reports -38.7% against -65.4% in Denmark, a difference of 26.7%.
The two have swapped places 33 times across 60 shared years of data; in 1966 it was Denmark ahead.
Denmark ranks 71st and Slovakia ranks 69th of 71 countries.
Across the 7 decades both report, Denmark averaged higher in 1 and Slovakia in 6.
Head to head by decade
| Decade | Denmark | Slovakia | Difference | Ahead |
|---|---|---|---|---|
| 1960s | -2.8% | -12.2% | 9.5% | Denmark |
| 1970s | 3.5% | 7.2% | 3.7% | Slovakia |
| 1980s | -1.3% | 1.9% | 3.2% | Slovakia |
| 1990s | 5.0% | 11.8% | 6.8% | Slovakia |
| 2000s | -2.9% | 0.9% | 3.7% | Slovakia |
| 2010s | 0.0% | 1.4% | 1.4% | Slovakia |
| 2020s | -5.2% | -4.0% | 1.2% | Slovakia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual percentage change in primary energy from hydropower, Denmark or Slovakia?
- Slovakia, at -38.7% against -65.4% in Denmark as of 2025.
- What is the difference in annual percentage change in primary energy from hydropower between Denmark and Slovakia?
- 26.7%, with Slovakia ahead.
- How many years of comparable data are there for Denmark and Slovakia?
- 60 years are reported by both, from 1966 to 2025.
- How do Denmark and Slovakia rank globally for annual percentage change in primary energy from hydropower?
- Denmark ranks 71st and Slovakia ranks 69th of 71 countries.
- Where does this data come from?
- Energy Institute – Statistical Review of World Energy (2026) – 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.