Iran vs Switzerland: Annual change in primary energy from hydropower
Iran
-6.92 terawatt-hours
in 2025
Switzerland
-11.25 terawatt-hours
in 2025
Iran rank
73rd
Switzerland rank
76th
Annual change in primary energy from hydropower over time
- Iran
- Switzerland
How they compare
Iran currently reports -6.92 terawatt-hours against -11.25 terawatt-hours in Switzerland, a difference of 4.33 terawatt-hours.
The two have swapped places 35 times across 60 shared years of data; in 1966 it was Switzerland ahead.
Iran ranks 73rd and Switzerland ranks 76th of 80 countries.
Across the 7 decades both report, Iran averaged higher in 4 and Switzerland in 3.
Head to head by decade
| Decade | Iran | Switzerland | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0.1458 terawatt-hours | 1.04 terawatt-hours | 0.8911 terawatt-hours | Switzerland |
| 1970s | 0.308 terawatt-hours | 0.1439 terawatt-hours | 0.1641 terawatt-hours | Iran |
| 1980s | 0.1349 terawatt-hours | 0.0091 terawatt-hours | 0.1259 terawatt-hours | Iran |
| 1990s | -0.1589 terawatt-hours | 1.02 terawatt-hours | 1.18 terawatt-hours | Switzerland |
| 2000s | 0.158 terawatt-hours | -0.4281 terawatt-hours | 0.5861 terawatt-hours | Iran |
| 2010s | 2.71 terawatt-hours | 0.1907 terawatt-hours | 2.52 terawatt-hours | Iran |
| 2020s | -3.65 terawatt-hours | -0.894 terawatt-hours | 2.76 terawatt-hours | Switzerland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from hydropower, Iran or Switzerland?
- Iran, at -6.92 terawatt-hours against -11.25 terawatt-hours in Switzerland as of 2025.
- What is the difference in annual change in primary energy from hydropower between Iran and Switzerland?
- 4.33 terawatt-hours, with Iran ahead.
- How many years of comparable data are there for Iran and Switzerland?
- 60 years are reported by both, from 1966 to 2025.
- How do Iran and Switzerland rank globally for annual change in primary energy from hydropower?
- Iran ranks 73rd and Switzerland ranks 76th of 80 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 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
Change in total energy supply relative to the previous year, measured in terawatt-hours.