Annual percentage change in primary energy from low-carbon energy in Iran
Iran: Annual percentage change in primary energy from low-carbon energy was -25.2% in 2025. ◆ Volatile
Annual percentage change in primary energy from low-carbon energy in Iran, 1966–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in %.
Analysis
The most recent figure for annual percentage change in primary energy from low-carbon energy in Iran is -25.2%, measured in 2025.
That represents a change of down 367.1% on the previous year and down 117.6% over ten years.
Over the whole period, annual percentage change in primary energy from low-carbon energy in Iran peaked at 185.9% in 2022 and was at its lowest, -71.6%, in 2021.
Iran ranks 78th of 80 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Annual percentage change in primary energy from low-carbon energy in Iran, year by year
| Year | % | Change |
|---|---|---|
| 1966 | 7.5% | — |
| 1967 | 7.7% | +2.7% |
| 1968 | 7.6% | -1.3% |
| 1969 | 7.6% | +1.2% |
| 1970 | 7.7% | +0.4% |
| 1971 | 7.5% | -2.5% |
| 1972 | 31.3% | +318.7% |
| 1973 | -15.3% | -148.7% |
| 1974 | 10.1% | -166.3% |
| 1975 | 5.0% | -50.6% |
| 1976 | 11.9% | +136.8% |
| 1977 | 3.3% | -71.8% |
| 1978 | 56.6% | +1595.1% |
| 1979 | -13.3% | -123.5% |
| 1980 | 3.7% | -127.8% |
| 1981 | 9.2% | +148.6% |
| 1982 | 4.9% | -46.3% |
| 1983 | -2.1% | -143.4% |
| 1984 | -6.5% | +203.3% |
| 1985 | 0.8% | -112.6% |
| 1986 | 19.5% | +2292.8% |
| 1987 | 10.9% | -44.3% |
| 1988 | 5.5% | -49.4% |
| 1989 | -18.4% | -433.7% |
| 1990 | 9.6% | -152.5% |
| 1991 | -24.0% | -349.3% |
| 1992 | 64.2% | -366.9% |
| 1993 | 14.4% | -77.5% |
| 1994 | -34.5% | -339.1% |
| 1995 | 20.7% | -159.9% |
| 1996 | 5.9% | -71.5% |
| 1997 | -32.6% | -652.5% |
| 1998 | 26.0% | -179.9% |
| 1999 | -30.8% | -218.5% |
| 2000 | -26.3% | -14.8% |
| 2001 | 8.9% | -133.7% |
| 2002 | 93.5% | +955.7% |
| 2003 | 19.6% | -79.1% |
| 2004 | 24.6% | +25.7% |
| 2005 | 21.2% | -13.8% |
| 2006 | 28.3% | +33.7% |
| 2007 | -2.9% | -110.1% |
| 2008 | -57.8% | +1916.3% |
| 2009 | -8.9% | -84.6% |
| 2010 | 50.3% | -665.2% |
| 2011 | 8.0% | -84.1% |
| 2012 | 52.8% | +561.4% |
| 2013 | 61.1% | +15.6% |
| 2014 | -2.2% | -103.6% |
| 2015 | -11.6% | +418.7% |
| 2016 | 46.7% | -504.2% |
| 2017 | 10.0% | -78.6% |
| 2018 | -18.2% | -281.7% |
| 2019 | 71.8% | -495.6% |
| 2020 | -19.0% | -126.5% |
| 2021 | -71.6% | +276.0% |
| 2022 | 185.9% | -359.5% |
| 2023 | 25.2% | -86.5% |
| 2024 | -5.4% | -121.4% |
| 2025 | -25.2% | +367.1% |
Iran compared with similar countries
- Iran's -25.2% is below the median for upper middle income countries, which is 1.9%. (24 countries reporting)
- Iran's -25.2% is below the median for Middle East, North Africa, Afghanistan & Pakistan, which is 8.9%. (12 countries reporting)
Biggest year-on-year movements
Years where Annual percentage change in primary energy from low-carbon energy in Iran changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1986 | +2292.8% | 0.8% | 19.5% |
| 2008 | -1916.3% | -2.9% | -57.8% |
| 1978 | +1595.1% | 3.3% | 56.6% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 7.6% | 7.5% | 7.7% | 4 |
| 1970s | 10.5% | -15.3% | 56.6% | 10 |
| 1980s | 2.8% | -18.4% | 19.5% | 10 |
| 1990s | 1.9% | -34.5% | 64.2% | 10 |
| 2000s | 10.0% | -57.8% | 93.5% | 10 |
| 2010s | 26.9% | -18.2% | 71.8% | 10 |
| 2020s | 15.0% | -71.6% | 185.9% | 6 |
Countries ranked near Iran
More climate change data for Iran
- Spring temperature anomalies 0.0713 °C (2026)
- Summer temperature anomalies 1.08 °C (2026)
- Temperature anomalies by month 0.2419 °C (2026)
- Share of global CO₂ emissions and population 0.8% (2100)
- Population, total, annual growth rate 0.9283 % change on previous year (2025)
- Population, total, per unit of GDP 0.0003 units per US$ of GDP (2025)
- Urban population, annual growth rate 1.39 % change on previous year (2025)
- Urban population, per unit of GDP 0.0002 units per US$ of GDP (2025)
- Urban population, per capita 0.7738 units per person (2025)
- Precipitation anomalies, annual growth rate -620.65 % change on previous year (2025)
Frequently asked questions
- What is annual percentage change in primary energy from low-carbon energy in Iran?
- Annual percentage change in primary energy from low-carbon energy in Iran was -25.2% in 2025, according to Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data.
- What is the highest annual percentage change in primary energy from low-carbon energy recorded in Iran?
- The highest recorded value was 185.9% in 2022.
- What is the lowest annual percentage change in primary energy from low-carbon energy recorded in Iran?
- The lowest recorded value was -71.6% in 2021.
- How does Iran rank for annual percentage change in primary energy from low-carbon energy?
- Iran ranks 78th out of 80 countries with data for 2025.
- Is annual percentage change in primary energy from low-carbon energy rising or falling in Iran?
- Over the last ten years it is down 117.6%. The long-run trend across the full record is volatile.
- Where does this Iran data come from?
- The figures come from Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as part of Annual percentage change in primary energy from low-carbon energy. 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.