Annual percentage change in primary energy from fossil fuels in Iran, Islamic Republic of
Iran, Islamic Republic of: Annual percentage change in primary energy from fossil fuels was 0.9% in 2025. ◆ Volatile
Annual percentage change in primary energy from fossil fuels in Iran, Islamic Republic of, 1966–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in %.
Analysis
Iran, Islamic Republic of recorded 0.9% for annual percentage change in primary energy from fossil fuels in 2025.
The figure is down 65.9% on the previous year and up 228.1% over ten years.
Over the whole period, annual percentage change in primary energy from fossil fuels in Iran, Islamic Republic of peaked at 21.4% in 1973 and was at its lowest, -8.1%, in 1993.
Iran, Islamic Republic of ranks 33rd of 76 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Annual percentage change in primary energy from fossil fuels in Iran, Islamic Republic of, year by year
| Year | % | Change |
|---|---|---|
| 1966 | 9.1% | — |
| 1967 | 10.1% | +11.7% |
| 1968 | 10.1% | -0.7% |
| 1969 | 9.9% | -2.1% |
| 1970 | 18.5% | +87.5% |
| 1971 | 9.6% | -47.9% |
| 1972 | 12.6% | +30.4% |
| 1973 | 21.4% | +70.0% |
| 1974 | 13.5% | -36.8% |
| 1975 | 16.9% | +25.4% |
| 1976 | 12.6% | -25.9% |
| 1977 | 13.5% | +7.8% |
| 1978 | -3.9% | -129.1% |
| 1979 | 9.0% | -327.4% |
| 1980 | -7.7% | -185.9% |
| 1981 | -0.0% | -99.9% |
| 1982 | 13.2% | -149536.8% |
| 1983 | 19.6% | +48.4% |
| 1984 | 8.6% | -56.3% |
| 1985 | 9.4% | +9.1% |
| 1986 | -7.0% | -175.1% |
| 1987 | 7.1% | -200.6% |
| 1988 | 1.9% | -73.8% |
| 1989 | 10.4% | +460.1% |
| 1990 | 12.6% | +21.6% |
| 1991 | 9.4% | -25.5% |
| 1992 | 9.6% | +1.7% |
| 1993 | -8.1% | -184.7% |
| 1994 | 13.7% | -268.7% |
| 1995 | 4.6% | -66.7% |
| 1996 | 8.9% | +94.5% |
| 1997 | 3.9% | -56.1% |
| 1998 | 3.8% | -1.4% |
| 1999 | 8.5% | +121.2% |
| 2000 | 5.2% | -38.2% |
| 2001 | 6.8% | +30.3% |
| 2002 | 8.3% | +21.6% |
| 2003 | 1.6% | -80.9% |
| 2004 | 10.4% | +555.1% |
| 2005 | 5.6% | -45.7% |
| 2006 | 8.9% | +57.5% |
| 2007 | 6.6% | -26.1% |
| 2008 | 4.5% | -31.4% |
| 2009 | 2.5% | -44.0% |
| 2010 | 2.9% | +17.1% |
| 2011 | 3.9% | +31.6% |
| 2012 | 0.4% | -88.6% |
| 2013 | 3.5% | +680.9% |
| 2014 | 4.3% | +25.5% |
| 2015 | -0.7% | -115.8% |
| 2016 | 5.3% | -874.8% |
| 2017 | 3.4% | -36.2% |
| 2018 | 3.9% | +16.7% |
| 2019 | 3.7% | -7.3% |
| 2020 | 4.8% | +29.9% |
| 2021 | -0.4% | -109.0% |
| 2022 | 3.7% | -959.1% |
| 2023 | 2.5% | -33.1% |
| 2024 | 2.6% | +4.3% |
| 2025 | 0.9% | -65.9% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 9.8% | 9.1% | 10.1% | 4 |
| 1970s | 12.4% | -3.9% | 21.4% | 10 |
| 1980s | 5.5% | -7.7% | 19.6% | 10 |
| 1990s | 6.7% | -8.1% | 13.7% | 10 |
| 2000s | 6.0% | 1.6% | 10.4% | 10 |
| 2010s | 3.1% | -0.7% | 5.3% | 10 |
| 2020s | 2.3% | -0.4% | 4.8% | 6 |
Countries ranked near Iran, Islamic Republic of
More energy & mining data for Iran, Islamic Republic of
- Fuel imports 2.0% (2022)
- Ores and metals imports 2.0% (2022)
- Ores and metals exports 6.1% (2022)
- Gas production 2,648 terawatt-hours (2025)
- Fossil fuel production per person, by fuel 28,655 kilowatt-hours per person (2025)
- Fossil fuel production by fuel 2,648 terawatt-hours (2025)
- Gas production per person 28,655 kilowatt-hours per person (2025)
- Fossil fuel production by fuel, per capita 0 terawatt-hours per person (2025)
- Fossil fuel production by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Gas production, per capita 0 terawatt-hours per person (2025)
Frequently asked questions
- What is annual percentage change in primary energy from fossil fuels in Iran, Islamic Republic of?
- Annual percentage change in primary energy from fossil fuels in Iran, Islamic Republic of was 0.9% in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data.
- What is the highest annual percentage change in primary energy from fossil fuels recorded in Iran, Islamic Republic of?
- The highest recorded value was 21.4% in 1973.
- What is the lowest annual percentage change in primary energy from fossil fuels recorded in Iran, Islamic Republic of?
- The lowest recorded value was -8.1% in 1993.
- How does Iran, Islamic Republic of rank for annual percentage change in primary energy from fossil fuels?
- Iran, Islamic Republic of ranks 33rd out of 76 countries with data for 2025.
- Is annual percentage change in primary energy from fossil fuels rising or falling in Iran, Islamic Republic of?
- Over the last ten years it is up 228.1%. The long-run trend across the full record is volatile.
- Where does this Iran, Islamic Republic of data come from?
- The figures come from Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as part of Annual percentage change in primary energy from fossil fuels. Statizoid updates them automatically from the source API.
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About this data
Percentage change in total energy supply relative to the previous year.