CO₂ emissions by sector in Iran
Iran: CO₂ emissions by sector was 162.73 million tonnes in 2023. ▲ Rising
CO₂ 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 co₂ emissions by sector in Iran is 162.73 million tonnes, measured in 2023. That is the highest value across all 34 years on record.
That represents a change of up 6.1% on the previous year and up 31.6% over ten years.
Over the whole period, co₂ emissions by sector in Iran peaked at 162.73 million tonnes in 2023 and was at its lowest, 40.95 million tonnes, in 1990.
That places Iran 4th out of 187 countries with data for 2023, putting it in the top 10%.
The long-run direction has been consistently rising across the 34 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 65.63 million tonnes | 40.95 million tonnes | 80.67 million tonnes | 10 |
| 2000s | 108.48 million tonnes | 86.61 million tonnes | 130.48 million tonnes | 10 |
| 2010s | 125.59 million tonnes | 114.07 million tonnes | 145.18 million tonnes | 10 |
| 2020s | 154.34 million tonnes | 150.41 million tonnes | 162.73 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 co₂ emissions by sector in Iran?
- Co₂ emissions by sector in Iran was 162.73 million tonnes in 2023, according to Climate Watch (2026) – with major processing by Our World in Data.
- What is the highest co₂ emissions by sector recorded in Iran?
- The highest recorded value was 162.73 million tonnes in 2023.
- What is the lowest co₂ emissions by sector recorded in Iran?
- The lowest recorded value was 40.95 million tonnes in 1990.
- How does Iran rank for co₂ emissions by sector?
- Iran ranks 4th out of 187 countries with data for 2023.
- Is co₂ emissions by sector rising or falling in Iran?
- Over the last ten years it is up 31.6%. The long-run trend across the full record is rising.
- 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 CO₂ 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.