Iran vs Thailand: Year-to-year change in primary energy from fossil fuels vs.
Iran
-10.67 terawatt-hours
in 2025
Thailand
-18.64 terawatt-hours
in 2025
Iran rank
75th
Thailand rank
77th
Year-to-year change in primary energy from fossil fuels vs. over time
- Iran
- Thailand
How they compare
Iran currently reports -10.67 terawatt-hours against -18.64 terawatt-hours in Thailand, a difference of 7.97 terawatt-hours.
The two have swapped places 33 times across 60 shared years of data; in 1966 it was Thailand ahead.
Iran ranks 75th and Thailand ranks 77th of 80 countries.
Across the 7 decades both report, Iran averaged higher in 2 and Thailand in 5.
Head to head by decade
| Decade | Iran | Thailand | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0.1458 terawatt-hours | 0.0513 terawatt-hours | 0.0946 terawatt-hours | Iran |
| 1970s | 0.308 terawatt-hours | 0.2217 terawatt-hours | 0.0863 terawatt-hours | Iran |
| 1980s | 0.1349 terawatt-hours | 0.2315 terawatt-hours | 0.0965 terawatt-hours | Thailand |
| 1990s | -0.1554 terawatt-hours | -0.0802 terawatt-hours | 0.0752 terawatt-hours | Thailand |
| 2000s | 0.1777 terawatt-hours | 1.66 terawatt-hours | 1.49 terawatt-hours | Thailand |
| 2010s | 4.76 terawatt-hours | 9.01 terawatt-hours | 4.25 terawatt-hours | Thailand |
| 2020s | -3.8 terawatt-hours | -0.4321 terawatt-hours | 3.37 terawatt-hours | Thailand |
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, Iran or Thailand?
- Iran, at -10.67 terawatt-hours against -18.64 terawatt-hours in Thailand as of 2025.
- What is the difference in year-to-year change in primary energy from fossil fuels vs. low-carbon energy between Iran and Thailand?
- 7.97 terawatt-hours, with Iran ahead.
- How many years of comparable data are there for Iran and Thailand?
- 60 years are reported by both, from 1966 to 2025.
- How do Iran and Thailand rank globally for year-to-year change in primary energy from fossil fuels vs. low-carbon energy?
- Iran ranks 75th and Thailand ranks 77th 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.