Czechia vs Iran: Annual percentage change in primary energy from hydropower
Czechia
-40.1%
in 2025
Iran
-36.6%
in 2025
Czechia rank
67th
Iran rank
65th
Annual percentage change in primary energy from hydropower over time
- Czechia
- Iran
How they compare
Iran currently reports -36.6% against -40.1% in Czechia, a difference of 3.5%.
The two have swapped places 36 times across 59 shared years of data; in 1966 it was Iran ahead.
Czechia ranks 67th and Iran ranks 65th of 68 countries.
Across the 7 decades both report, Czechia averaged higher in 3 and Iran in 4.
Head to head by decade
| Decade | Czechia | Iran | Difference | Ahead |
|---|---|---|---|---|
| 1960s | -14.2% | 7.6% | 21.7% | Iran |
| 1970s | 10.6% | 10.5% | 0.1% | Czechia |
| 1980s | -1.5% | 2.8% | 4.3% | Iran |
| 1990s | 2.2% | 1.8% | 0.3% | Czechia |
| 2000s | 6.8% | 9.9% | 3.1% | Iran |
| 2010s | 0.1% | 31.1% | 30.9% | Iran |
| 2020s | 0.9% | -24.5% | 25.4% | Czechia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual percentage change in primary energy from hydropower, Czechia or Iran?
- Iran, at -36.6% against -40.1% in Czechia as of 2025.
- What is the difference in annual percentage change in primary energy from hydropower between Czechia and Iran?
- 3.5%, with Iran ahead.
- How many years of comparable data are there for Czechia and Iran?
- 59 years are reported by both, from 1966 to 2025.
- How do Czechia and Iran rank globally for annual percentage change in primary energy from hydropower?
- Czechia ranks 67th and Iran ranks 65th 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.