Greenhouse gas emissions by sector in Iran
Iran: Greenhouse gas emissions by sector was 39.87 million tonnes in 2023. ▼ Falling
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.
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
- Share of global CO₂ emissions and population 0.8% (2100)
- Population growth 0.9% (2025)
- Population, total 92.42 million (2025)
- Urban population growth 1.4% (2025)
- Urban population 71.51 million (2025)
- Urban population 77.4% (2025)
- CO₂ emissions per capita vs. GDP per capita 8.66 tonnes per person (2024)
- Cumulative CO₂ emissions 21.81 billion tonnes (2024)
- CO₂ emissions per capita 8.66 tonnes per person (2024)
- CO₂ emissions per capita vs. share of electricity generation from renewables 8.66 tonnes per person (2024)
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.