Iran, Islamic Republic of vs Kazakhstan, Republic of: Share of primary energy from fossil fuels
Iran, Islamic Republic of
99.1%
in 2025
Kazakhstan, Republic of
98.1%
in 2025
Iran, Islamic Republic of rank
9th
Kazakhstan, Republic of rank
12th
Share of primary energy from fossil fuels over time
- Iran, Islamic Republic of
- Kazakhstan, Republic of
How they compare
Iran, Islamic Republic of currently reports 99.1% against 98.1% in Kazakhstan, Republic of, a difference of 1.0%.
The two have swapped places 3 times across 41 shared years of data; in 1985 it was Kazakhstan, Republic of ahead.
Iran, Islamic Republic of ranks 9th and Kazakhstan, Republic of ranks 12th of 76 countries.
Across the 5 decades both report, Iran, Islamic Republic of averaged higher in 4 and Kazakhstan, Republic of in 1.
Head to head by decade
| Decade | Iran, Islamic Republic of | Kazakhstan, Republic of | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 98.9% | 99.3% | 0.4% | Kazakhstan, Republic of |
| 1990s | 99.2% | 98.7% | 0.6% | Iran, Islamic Republic of |
| 2000s | 99.5% | 98.3% | 1.1% | Iran, Islamic Republic of |
| 2010s | 99.0% | 98.7% | 0.4% | Iran, Islamic Republic of |
| 2020s | 98.9% | 98.2% | 0.7% | Iran, Islamic Republic of |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of primary energy from fossil fuels, Iran, Islamic Republic of or Kazakhstan, Republic of?
- Iran, Islamic Republic of, at 99.1% against 98.1% in Kazakhstan, Republic of as of 2025.
- What is the difference in share of primary energy from fossil fuels between Iran, Islamic Republic of and Kazakhstan, Republic of?
- 1.0%, with Iran, Islamic Republic of ahead.
- How many years of comparable data are there for Iran, Islamic Republic of and Kazakhstan, Republic of?
- 41 years are reported by both, from 1985 to 2025.
- How do Iran, Islamic Republic of and Kazakhstan, Republic of rank globally for share of primary energy from fossil fuels?
- Iran, Islamic Republic of ranks 9th and Kazakhstan, Republic of ranks 12th of 76 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as Share of primary energy from fossil fuels. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured as a percentage of total energy supply.