Year-on-year change in CO₂ emissions in Iran
Iran: Year-on-year change in CO₂ emissions was 2.96 million tonnes in 2024. ◆ Volatile
Year-on-year change in CO₂ emissions in Iran, 1912–2024
Source: Global Carbon Budget (2025) – with major processing by Our World in Data. Measured in tonnes.
Analysis
Iran recorded 2.96 million tonnes for year-on-year change in co₂ emissions in 2024.
Compared with earlier readings it is down 86.9% on the previous year and down 91.4% over ten years.
Over the whole period, year-on-year change in co₂ emissions in Iran peaked at 68.81 million tonnes in 1999 and was at its lowest, -69.82 million tonnes, in 1949.
Iran ranks 25th of 215 countries on this measure, in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1910s | 523,036 tonnes | 117,248 tonnes | 872,032 tonnes | 8 |
| 1920s | 1.27 million tonnes | -655,856 tonnes | 2.35 million tonnes | 10 |
| 1930s | 1.30 million tonnes | -1.73 million tonnes | 6.14 million tonnes | 10 |
| 1940s | -2.19 million tonnes | -69.82 million tonnes | 14.48 million tonnes | 10 |
| 1950s | 1.74 million tonnes | -2.82 million tonnes | 14.77 million tonnes | 10 |
| 1960s | 5.75 million tonnes | -849,840 tonnes | 14.45 million tonnes | 10 |
| 1970s | 8.01 million tonnes | -4.56 million tonnes | 23.46 million tonnes | 10 |
| 1980s | 2.80 million tonnes | -42.44 million tonnes | 24.86 million tonnes | 10 |
| 1990s | 18.33 million tonnes | -7.36 million tonnes | 68.81 million tonnes | 10 |
| 2000s | 16.90 million tonnes | -7.24 million tonnes | 34.22 million tonnes | 10 |
| 2010s | 18.39 million tonnes | -31.88 million tonnes | 62.75 million tonnes | 10 |
| 2020s | 13.07 million tonnes | -12.35 million tonnes | 33.93 million tonnes | 5 |
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 year-on-year change in co₂ emissions in Iran?
- Year-on-year change in co₂ emissions in Iran was 2.96 million tonnes in 2024, according to Global Carbon Budget (2025) – with major processing by Our World in Data.
- What is the highest year-on-year change in co₂ emissions recorded in Iran?
- The highest recorded value was 68.81 million tonnes in 1999.
- What is the lowest year-on-year change in co₂ emissions recorded in Iran?
- The lowest recorded value was -69.82 million tonnes in 1949.
- How does Iran rank for year-on-year change in co₂ emissions?
- Iran ranks 25th out of 215 countries with data for 2024.
- Is year-on-year change in co₂ emissions rising or falling in Iran?
- Over the last ten years it is down 91.4%. The long-run trend across the full record is volatile.
- Where does this Iran data come from?
- The figures come from Global Carbon Budget (2025) – with major processing by Our World in Data, published as part of Year-on-year change in CO₂ emissions. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 113 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Annual growth in total emissions of carbon dioxide (CO₂), excluding land-use change, measured in tonnes.