Iran vs Spain: Annual change in primary energy from gas
Iran
25.37 terawatt-hours
in 2025
Spain
29.92 terawatt-hours
in 2025
Iran rank
13th
Spain rank
10th
Annual change in primary energy from gas over time
- Iran
- Spain
How they compare
Spain currently reports 29.92 terawatt-hours against 25.37 terawatt-hours in Iran, a difference of 4.55 terawatt-hours.
That makes Spain's figure about 1.2 times Iran's.
The two have swapped places 23 times across 56 shared years of data; in 1970 it was Iran ahead.
Iran ranks 13th and Spain ranks 10th of 77 countries.
Iran has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Iran | Spain | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 4.02 terawatt-hours | 1.5 terawatt-hours | 2.52 terawatt-hours | Iran |
| 1980s | 10.52 terawatt-hours | 3.41 terawatt-hours | 7.12 terawatt-hours | Iran |
| 1990s | 39.36 terawatt-hours | 10.45 terawatt-hours | 28.9 terawatt-hours | Iran |
| 2000s | 79.82 terawatt-hours | 20.86 terawatt-hours | 58.97 terawatt-hours | Iran |
| 2010s | 83.6 terawatt-hours | -0.3332 terawatt-hours | 83.93 terawatt-hours | Iran |
| 2020s | 63.14 terawatt-hours | -7.78 terawatt-hours | 70.91 terawatt-hours | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from gas, Iran or Spain?
- Spain, at 29.92 terawatt-hours against 25.37 terawatt-hours in Iran as of 2025.
- What is the difference in annual change in primary energy from gas between Iran and Spain?
- 4.55 terawatt-hours, with Spain ahead.
- How many years of comparable data are there for Iran and Spain?
- 56 years are reported by both, from 1970 to 2025.
- How do Iran and Spain rank globally for annual change in primary energy from gas?
- Iran ranks 13th and Spain ranks 10th of 77 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 gas. 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.