Iran vs Spain: Annual change in primary energy from nuclear
Iran
-5 terawatt-hours
in 2025
Spain
-0.8807 terawatt-hours
in 2025
Iran rank
212th
Spain rank
209th
Annual change in primary energy from nuclear over time
- Iran
- Spain
How they compare
Spain currently reports -0.8807 terawatt-hours against -5 terawatt-hours in Iran, a difference of 4.12 terawatt-hours.
The two have swapped places 30 times across 60 shared years of data; in 1966 it was Spain ahead.
Iran ranks 212th and Spain ranks 209th of 219 countries.
Across the 7 decades both report, Iran averaged higher in 3 and Spain in 4.
Head to head by decade
| Decade | Iran | Spain | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0.628 terawatt-hours | 0.628 terawatt-hours | Spain |
| 1970s | 0 terawatt-hours | 1.78 terawatt-hours | 1.78 terawatt-hours | Spain |
| 1980s | 0 terawatt-hours | 14.98 terawatt-hours | 14.98 terawatt-hours | Spain |
| 1990s | 0 terawatt-hours | 0.8261 terawatt-hours | 0.8261 terawatt-hours | Spain |
| 2000s | 0 terawatt-hours | -1.85 terawatt-hours | 1.85 terawatt-hours | Iran |
| 2010s | 1.94 terawatt-hours | 1.67 terawatt-hours | 0.2711 terawatt-hours | Iran |
| 2020s | -0.5163 terawatt-hours | -2.05 terawatt-hours | 1.53 terawatt-hours | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from nuclear, Iran or Spain?
- Spain, at -0.8807 terawatt-hours against -5 terawatt-hours in Iran as of 2025.
- What is the difference in annual change in primary energy from nuclear between Iran and Spain?
- 4.12 terawatt-hours, with Spain ahead.
- How many years of comparable data are there for Iran and Spain?
- 60 years are reported by both, from 1966 to 2025.
- How do Iran and Spain rank globally for annual change in primary energy from nuclear?
- Iran ranks 212th and Spain ranks 209th of 219 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 nuclear. 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.