Belgium vs Iran: Year-to-year change in primary energy from fossil fuels vs.
Belgium
-19.97 terawatt-hours
in 2025
Iran
-10.67 terawatt-hours
in 2025
Belgium rank
78th
Iran rank
75th
Year-to-year change in primary energy from fossil fuels vs. over time
- Belgium
- Iran
How they compare
Iran currently reports -10.67 terawatt-hours against -19.97 terawatt-hours in Belgium, a difference of 9.3 terawatt-hours.
The two have swapped places 24 times across 60 shared years of data; in 1966 it was Iran ahead.
Belgium ranks 78th and Iran ranks 75th of 80 countries.
Across the 7 decades both report, Belgium averaged higher in 4 and Iran in 3.
Head to head by decade
| Decade | Belgium | Iran | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0.0062 terawatt-hours | 0.1458 terawatt-hours | 0.1397 terawatt-hours | Iran |
| 1970s | 3.55 terawatt-hours | 0.308 terawatt-hours | 3.24 terawatt-hours | Belgium |
| 1980s | 9 terawatt-hours | 0.1349 terawatt-hours | 8.87 terawatt-hours | Belgium |
| 1990s | 2.46 terawatt-hours | -0.1554 terawatt-hours | 2.62 terawatt-hours | Belgium |
| 2000s | 0.7685 terawatt-hours | 0.1777 terawatt-hours | 0.5909 terawatt-hours | Belgium |
| 2010s | 0.9193 terawatt-hours | 4.76 terawatt-hours | 3.84 terawatt-hours | Iran |
| 2020s | -8.51 terawatt-hours | -3.8 terawatt-hours | 4.71 terawatt-hours | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher year-to-year change in primary energy from fossil fuels vs. low-carbon energy, Belgium or Iran?
- Iran, at -10.67 terawatt-hours against -19.97 terawatt-hours in Belgium as of 2025.
- What is the difference in year-to-year change in primary energy from fossil fuels vs. low-carbon energy between Belgium and Iran?
- 9.3 terawatt-hours, with Iran ahead.
- How many years of comparable data are there for Belgium and Iran?
- 60 years are reported by both, from 1966 to 2025.
- How do Belgium and Iran rank globally for year-to-year change in primary energy from fossil fuels vs. low-carbon energy?
- Belgium ranks 78th and Iran ranks 75th 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 Year-to-year change in primary energy from fossil fuels vs. low-carbon energy. 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.