Romania vs United Kingdom: Annual percentage change in primary energy from hydropower
Romania
-14.5%
in 2025
United Kingdom
-12.2%
in 2025
Romania rank
47th
United Kingdom rank
45th
Annual percentage change in primary energy from hydropower over time
- Romania
- United Kingdom
How they compare
United Kingdom currently reports -12.2% against -14.5% in Romania, a difference of 2.3%.
The two have swapped places 37 times across 60 shared years of data; in 1966 it was Romania ahead.
Romania ranks 47th and United Kingdom ranks 45th of 68 countries.
Across the 7 decades both report, Romania averaged higher in 4 and United Kingdom in 3.
Head to head by decade
| Decade | Romania | United Kingdom | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 23.3% | -7.6% | 30.9% | Romania |
| 1970s | 19.8% | 4.2% | 15.7% | Romania |
| 1980s | 2.8% | 1.6% | 1.2% | Romania |
| 1990s | 4.1% | 2.7% | 1.4% | Romania |
| 2000s | -0.5% | 1.9% | 2.4% | United Kingdom |
| 2010s | 2.0% | 3.8% | 1.7% | United Kingdom |
| 2020s | -2.4% | -1.7% | 0.7% | United Kingdom |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual percentage change in primary energy from hydropower, Romania or United Kingdom?
- United Kingdom, at -12.2% against -14.5% in Romania as of 2025.
- What is the difference in annual percentage change in primary energy from hydropower between Romania and United Kingdom?
- 2.3%, with United Kingdom ahead.
- How many years of comparable data are there for Romania and United Kingdom?
- 60 years are reported by both, from 1966 to 2025.
- How do Romania and United Kingdom rank globally for annual percentage change in primary energy from hydropower?
- Romania ranks 47th and United Kingdom ranks 45th 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.