Annual change in primary energy from gas in Iran
Iran: Annual change in primary energy from gas was 25.37 terawatt-hours in 2025. ◆ Volatile
Annual change in primary energy from gas in Iran, 1966–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
Iran recorded 25.37 terawatt-hours for annual change in primary energy from gas in 2025.
That represents a change of down 64.5% on the previous year and down 76.1% over ten years.
Over the whole period, annual change in primary energy from gas in Iran peaked at 195.66 terawatt-hours in 2014 and was at its lowest, -140.05 terawatt-hours, in 1993.
That places Iran 13th out of 77 countries with data for 2025, putting it in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Annual change in primary energy from gas in Iran, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 0.3784 terawatt-hours | — |
| 1967 | 0.3963 terawatt-hours | +4.7% |
| 1968 | 0.5854 terawatt-hours | +47.7% |
| 1969 | 1.59 terawatt-hours | +171.7% |
| 1970 | 14.76 terawatt-hours | +828.0% |
| 1971 | 4.02 terawatt-hours | -72.8% |
| 1972 | 4.27 terawatt-hours | +6.4% |
| 1973 | 7.26 terawatt-hours | +69.8% |
| 1974 | 0.688 terawatt-hours | -90.5% |
| 1975 | 0.8438 terawatt-hours | +22.6% |
| 1976 | 5.39 terawatt-hours | +538.4% |
| 1977 | 1.09 terawatt-hours | -79.9% |
| 1978 | -11.07 terawatt-hours | -1120.5% |
| 1979 | 12.91 terawatt-hours | -216.6% |
| 1980 | -5.57 terawatt-hours | -143.1% |
| 1981 | 3.93 terawatt-hours | -170.5% |
| 1982 | 18.21 terawatt-hours | +363.8% |
| 1983 | 9.64 terawatt-hours | -47.1% |
| 1984 | 12.66 terawatt-hours | +31.3% |
| 1985 | 7.08 terawatt-hours | -44.1% |
| 1986 | -3.81 terawatt-hours | -153.8% |
| 1987 | 20.86 terawatt-hours | -647.6% |
| 1988 | 9.76 terawatt-hours | -53.2% |
| 1989 | 32.49 terawatt-hours | +233.0% |
| 1990 | 71.82 terawatt-hours | +121.0% |
| 1991 | 37.33 terawatt-hours | -48.0% |
| 1992 | 39.87 terawatt-hours | +6.8% |
| 1993 | -140.05 terawatt-hours | -451.2% |
| 1994 | 95.92 terawatt-hours | -168.5% |
| 1995 | 57.63 terawatt-hours | -39.9% |
| 1996 | 56.11 terawatt-hours | -2.6% |
| 1997 | 22.73 terawatt-hours | -59.5% |
| 1998 | 64.79 terawatt-hours | +185.0% |
| 1999 | 87.41 terawatt-hours | +34.9% |
| 2000 | 44.68 terawatt-hours | -48.9% |
| 2001 | 70.92 terawatt-hours | +58.7% |
| 2002 | 116.88 terawatt-hours | +64.8% |
| 2003 | 20.56 terawatt-hours | -82.4% |
| 2004 | 129.79 terawatt-hours | +531.2% |
| 2005 | 37.91 terawatt-hours | -70.8% |
| 2006 | 87.37 terawatt-hours | +130.5% |
| 2007 | 127.68 terawatt-hours | +46.1% |
| 2008 | 72.34 terawatt-hours | -43.3% |
| 2009 | 90.08 terawatt-hours | +24.5% |
| 2010 | 95.95 terawatt-hours | +6.5% |
| 2011 | 88.03 terawatt-hours | -8.3% |
| 2012 | -6.47 terawatt-hours | -107.4% |
| 2013 | 12.89 terawatt-hours | -299.2% |
| 2014 | 195.66 terawatt-hours | +1418.0% |
| 2015 | 106.19 terawatt-hours | -45.7% |
| 2016 | 123 terawatt-hours | +15.8% |
| 2017 | 86.85 terawatt-hours | -29.4% |
| 2018 | 76.39 terawatt-hours | -12.0% |
| 2019 | 57.46 terawatt-hours | -24.8% |
| 2020 | 183.78 terawatt-hours | +219.8% |
| 2021 | -72.36 terawatt-hours | -139.4% |
| 2022 | 98.7 terawatt-hours | -236.4% |
| 2023 | 71.82 terawatt-hours | -27.2% |
| 2024 | 71.51 terawatt-hours | -0.4% |
| 2025 | 25.37 terawatt-hours | -64.5% |
Iran compared with similar countries
- Iran's 25.37 terawatt-hours is above the median for upper middle income countries, which is -0.4383 terawatt-hours. (23 countries reporting)
- Iran's 25.37 terawatt-hours is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is 7.81 terawatt-hours, 3.3× the median. (12 countries reporting)
Biggest year-on-year movements
Years where Annual change in primary energy from gas 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 |
|---|---|---|---|
| 2014 | +1418.0% | 12.89 terawatt-hours | 195.66 terawatt-hours |
| 1978 | -1120.5% | 1.09 terawatt-hours | -11.07 terawatt-hours |
| 1970 | +828.0% | 1.59 terawatt-hours | 14.76 terawatt-hours |
| 1987 | +647.6% | -3.81 terawatt-hours | 20.86 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.7377 terawatt-hours | 0.3784 terawatt-hours | 1.59 terawatt-hours | 4 |
| 1970s | 4.02 terawatt-hours | -11.07 terawatt-hours | 14.76 terawatt-hours | 10 |
| 1980s | 10.52 terawatt-hours | -5.57 terawatt-hours | 32.49 terawatt-hours | 10 |
| 1990s | 39.36 terawatt-hours | -140.05 terawatt-hours | 95.92 terawatt-hours | 10 |
| 2000s | 79.82 terawatt-hours | 20.56 terawatt-hours | 129.79 terawatt-hours | 10 |
| 2010s | 83.6 terawatt-hours | -6.47 terawatt-hours | 195.66 terawatt-hours | 10 |
| 2020s | 63.14 terawatt-hours | -72.36 terawatt-hours | 183.78 terawatt-hours | 6 |
Countries ranked near Iran
More reference data data for Iran
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 12.01 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 1.34 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 3.47 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 26.62 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 26.62 (2050)
- Emission Totals - Direct emissions (N2O) - Manure applied to Soils 8.15 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - Enteric Fermentation 35,629 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - Crop Residues 1,936 (2050)
- Emission Totals - Direct emissions (N2O) - Manure left on Pasture 34.53 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - Burning - Crop residues 281.19 (2050)
Frequently asked questions
- What is annual change in primary energy from gas in Iran?
- Annual change in primary energy from gas in Iran was 25.37 terawatt-hours 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 change in primary energy from gas recorded in Iran?
- The highest recorded value was 195.66 terawatt-hours in 2014.
- What is the lowest annual change in primary energy from gas recorded in Iran?
- The lowest recorded value was -140.05 terawatt-hours in 1993.
- How does Iran rank for annual change in primary energy from gas?
- Iran ranks 13th out of 77 countries with data for 2025.
- Is annual change in primary energy from gas rising or falling in Iran?
- Over the last ten years it is down 76.1%. 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 change in primary energy from gas. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.