Greenhouse gas emissions by sector in Iran
Iran: Greenhouse gas emissions by sector was 39.87 million tonnes in 2023. ▼ Falling
Latest (2023)
39.87 million tonnes
Change on year
down 3.1%
World rank
33rd
of 193 countries
All-time high
45.56 million tonnes
in 2006
All-time low
31.58 million tonnes
in 2014
Years of data
34
1990–2023
Greenhouse gas emissions by sector in Iran, 1990–2023
Source: Climate Watch (2026) – with major processing by Our World in Data. Measured in tonnes.
Analysis
The most recent figure for greenhouse gas emissions by sector in Iran is 39.87 million tonnes, measured in 2023.
Compared with earlier readings it is down 3.1% on the previous year and up 4.9% over ten years.
Over the whole period, greenhouse gas emissions by sector in Iran peaked at 45.56 million tonnes in 2006 and was at its lowest, 31.58 million tonnes, in 2014.
Iran ranks 33rd of 193 countries on this measure, in the top quarter.
The long-run direction has been consistently falling across the 34 years of available data.
Greenhouse gas emissions by sector in Iran, year by year
| Year | tonnes | Change |
|---|---|---|
| 1990 | 36.08 million tonnes | — |
| 1991 | 36.00 million tonnes | -0.2% |
| 1992 | 39.36 million tonnes | +9.3% |
| 1993 | 38.12 million tonnes | -3.2% |
| 1994 | 38.82 million tonnes | +1.8% |
| 1995 | 39.48 million tonnes | +1.7% |
| 1996 | 40.57 million tonnes | +2.8% |
| 1997 | 41.47 million tonnes | +2.2% |
| 1998 | 42.84 million tonnes | +3.3% |
| 1999 | 41.78 million tonnes | -2.5% |
| 2000 | 40.90 million tonnes | -2.1% |
| 2001 | 40.80 million tonnes | -0.2% |
| 2002 | 41.07 million tonnes | +0.7% |
| 2003 | 41.80 million tonnes | +1.8% |
| 2004 | 43.08 million tonnes | +3.1% |
| 2005 | 43.86 million tonnes | +1.8% |
| 2006 | 45.56 million tonnes | +3.9% |
| 2007 | 44.46 million tonnes | -2.4% |
| 2008 | 40.79 million tonnes | -8.3% |
| 2009 | 41.09 million tonnes | +0.7% |
| 2010 | 40.99 million tonnes | -0.2% |
| 2011 | 37.51 million tonnes | -8.5% |
| 2012 | 38.44 million tonnes | +2.5% |
| 2013 | 38.00 million tonnes | -1.1% |
| 2014 | 31.58 million tonnes | -16.9% |
| 2015 | 32.48 million tonnes | +2.8% |
| 2016 | 33.90 million tonnes | +4.4% |
| 2017 | 32.68 million tonnes | -3.6% |
| 2018 | 34.08 million tonnes | +4.3% |
| 2019 | 36.92 million tonnes | +8.3% |
| 2020 | 38.90 million tonnes | +5.4% |
| 2021 | 39.85 million tonnes | +2.4% |
| 2022 | 41.16 million tonnes | +3.3% |
| 2023 | 39.87 million tonnes | -3.1% |
Iran compared with similar countries
- Iran's 39.87 million tonnes is above the median for upper middle income countries, which is 6.20 million tonnes, 6.4× the median. (58 countries reporting)
- Iran's 39.87 million tonnes is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is 3.67 million tonnes, 10.9× the median. (22 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 39.45 million tonnes | 36.00 million tonnes | 42.84 million tonnes | 10 |
| 2000s | 42.34 million tonnes | 40.79 million tonnes | 45.56 million tonnes | 10 |
| 2010s | 35.66 million tonnes | 31.58 million tonnes | 40.99 million tonnes | 10 |
| 2020s | 39.95 million tonnes | 38.90 million tonnes | 41.16 million tonnes | 4 |
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 greenhouse gas emissions by sector in Iran?
- Greenhouse gas emissions by sector in Iran was 39.87 million tonnes in 2023, according to Climate Watch (2026) – with major processing by Our World in Data.
- What is the highest greenhouse gas emissions by sector recorded in Iran?
- The highest recorded value was 45.56 million tonnes in 2006.
- What is the lowest greenhouse gas emissions by sector recorded in Iran?
- The lowest recorded value was 31.58 million tonnes in 2014.
- How does Iran rank for greenhouse gas emissions by sector?
- Iran ranks 33rd out of 193 countries with data for 2023.
- Is greenhouse gas emissions by sector rising or falling in Iran?
- Over the last ten years it is up 4.9%. The long-run trend across the full record is falling.
- Where does this Iran data come from?
- The figures come from Climate Watch (2026) – with major processing by Our World in Data, published as part of Greenhouse gas emissions by sector. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 34 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Emissions are measured in tonnes of carbon dioxide-equivalents.