Cumulative CO₂ emissions in Iran
Iran: Cumulative CO₂ emissions was 21.81 billion tonnes in 2024. ◆ Volatile
Latest (2024)
21.81 billion tonnes
Change on year
up 3.8%
World rank
15th
of 215 countries
All-time high
21.81 billion tonnes
in 2024
All-time low
3,664 tonnes
in 1906
Years of data
115
1906–2024
Cumulative CO₂ emissions in Iran, 1906–2024
Source: Global Carbon Budget (2025) – with major processing by Our World in Data. Measured in tonnes.
Analysis
The most recent figure for cumulative co₂ emissions in Iran is 21.81 billion tonnes, measured in 2024. That is the highest value across all 115 years on record.
That represents a change of up 3.8% on the previous year and up 49.8% over ten years.
Over the whole period, cumulative co₂ emissions in Iran peaked at 21.81 billion tonnes in 2024 and was at its lowest, 3,664 tonnes, in 1906.
Iran ranks 15th of 215 countries on this measure, in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Cumulative CO₂ emissions in Iran, year by year
| Year | tonnes | Change |
|---|---|---|
| 1906 | 3,664 tonnes | — |
| 1911 | 139,232 tonnes | +3700.0% |
| 1912 | 392,048 tonnes | +181.6% |
| 1913 | 1.25 million tonnes | +217.8% |
| 1914 | 2.42 million tonnes | +94.1% |
| 1915 | 3.82 million tonnes | +58.0% |
| 1916 | 5.83 million tonnes | +52.5% |
| 1917 | 8.63 million tonnes | +48.0% |
| 1918 | 12.08 million tonnes | +40.0% |
| 1919 | 16.40 million tonnes | +35.8% |
| 1920 | 21.83 million tonnes | +33.2% |
| 1921 | 29.09 million tonnes | +33.2% |
| 1922 | 38.31 million tonnes | +31.7% |
| 1923 | 49.89 million tonnes | +30.2% |
| 1924 | 63.40 million tonnes | +27.1% |
| 1925 | 77.60 million tonnes | +22.4% |
| 1926 | 92.66 million tonnes | +19.4% |
| 1927 | 109.36 million tonnes | +18.0% |
| 1928 | 127.04 million tonnes | +16.2% |
| 1929 | 144.06 million tonnes | +13.4% |
| 1930 | 162.57 million tonnes | +12.9% |
| 1931 | 180.50 million tonnes | +11.0% |
| 1932 | 200.59 million tonnes | +11.1% |
| 1933 | 222.68 million tonnes | +11.0% |
| 1934 | 246.17 million tonnes | +10.6% |
| 1935 | 269.51 million tonnes | +9.5% |
| 1936 | 295.06 million tonnes | +9.5% |
| 1937 | 326.75 million tonnes | +10.7% |
| 1938 | 358.53 million tonnes | +9.7% |
| 1939 | 388.58 million tonnes | +8.4% |
| 1940 | 415.71 million tonnes | +7.0% |
| 1941 | 436.53 million tonnes | +5.0% |
| 1942 | 466.06 million tonnes | +6.8% |
| 1943 | 496.52 million tonnes | +6.5% |
| 1944 | 538.18 million tonnes | +8.4% |
| 1945 | 591.08 million tonnes | +9.8% |
| 1946 | 651.31 million tonnes | +10.2% |
| 1947 | 714.77 million tonnes | +9.7% |
| 1948 | 792.73 million tonnes | +10.9% |
| 1949 | 800.86 million tonnes | +1.0% |
| 1950 | 810.46 million tonnes | +1.2% |
| 1951 | 817.37 million tonnes | +0.9% |
| 1952 | 821.46 million tonnes | +0.5% |
| 1953 | 825.29 million tonnes | +0.5% |
| 1954 | 826.34 million tonnes | +0.1% |
| 1955 | 842.15 million tonnes | +1.9% |
| 1956 | 864.96 million tonnes | +2.7% |
| 1957 | 886.76 million tonnes | +2.5% |
| 1958 | 911.99 million tonnes | +2.8% |
| 1959 | 937.55 million tonnes | +2.8% |
| 1960 | 974.91 million tonnes | +4.0% |
| 1961 | 1.01 billion tonnes | +3.7% |
| 1962 | 1.05 billion tonnes | +3.7% |
| 1963 | 1.09 billion tonnes | +3.9% |
| 1964 | 1.14 billion tonnes | +4.4% |
| 1965 | 1.19 billion tonnes | +4.7% |
| 1966 | 1.26 billion tonnes | +5.4% |
| 1967 | 1.32 billion tonnes | +5.4% |
| 1968 | 1.41 billion tonnes | +6.2% |
| 1969 | 1.49 billion tonnes | +5.9% |
| 1970 | 1.58 billion tonnes | +6.2% |
| 1971 | 1.68 billion tonnes | +6.4% |
| 1972 | 1.79 billion tonnes | +6.3% |
| 1973 | 1.92 billion tonnes | +7.2% |
| 1974 | 2.06 billion tonnes | +7.5% |
| 1975 | 2.20 billion tonnes | +6.8% |
| 1976 | 2.36 billion tonnes | +7.1% |
| 1977 | 2.52 billion tonnes | +6.9% |
| 1978 | 2.68 billion tonnes | +6.4% |
| 1979 | 2.85 billion tonnes | +6.1% |
| 1980 | 2.97 billion tonnes | +4.2% |
| 1981 | 3.08 billion tonnes | +3.8% |
| 1982 | 3.22 billion tonnes | +4.5% |
| 1983 | 3.37 billion tonnes | +4.7% |
| 1984 | 3.52 billion tonnes | +4.5% |
| 1985 | 3.68 billion tonnes | +4.6% |
| 1986 | 3.83 billion tonnes | +4.0% |
| 1987 | 3.99 billion tonnes | +4.2% |
| 1988 | 4.16 billion tonnes | +4.4% |
| 1989 | 4.35 billion tonnes | +4.6% |
| 1990 | 4.57 billion tonnes | +4.8% |
| 1991 | 4.79 billion tonnes | +4.9% |
| 1992 | 5.02 billion tonnes | +4.8% |
| 1993 | 5.25 billion tonnes | +4.7% |
| 1994 | 5.52 billion tonnes | +5.0% |
| 1995 | 5.79 billion tonnes | +4.9% |
| 1996 | 6.07 billion tonnes | +4.8% |
| 1997 | 6.33 billion tonnes | +4.4% |
| 1998 | 6.64 billion tonnes | +4.8% |
| 1999 | 7.02 billion tonnes | +5.6% |
| 2000 | 7.38 billion tonnes | +5.2% |
| 2001 | 7.77 billion tonnes | +5.3% |
| 2002 | 8.17 billion tonnes | +5.1% |
| 2003 | 8.58 billion tonnes | +5.0% |
| 2004 | 9.02 billion tonnes | +5.2% |
| 2005 | 9.49 billion tonnes | +5.2% |
| 2006 | 9.99 billion tonnes | +5.3% |
| 2007 | 10.50 billion tonnes | +5.1% |
| 2008 | 11.03 billion tonnes | +5.0% |
| 2009 | 11.57 billion tonnes | +4.9% |
| 2010 | 12.13 billion tonnes | +4.9% |
| 2011 | 12.71 billion tonnes | +4.8% |
| 2012 | 13.31 billion tonnes | +4.7% |
| 2013 | 13.92 billion tonnes | +4.6% |
| 2014 | 14.56 billion tonnes | +4.6% |
| 2015 | 15.20 billion tonnes | +4.4% |
| 2016 | 15.85 billion tonnes | +4.2% |
| 2017 | 16.54 billion tonnes | +4.4% |
| 2018 | 17.21 billion tonnes | +4.0% |
| 2019 | 17.94 billion tonnes | +4.2% |
| 2020 | 18.68 billion tonnes | +4.2% |
| 2021 | 19.46 billion tonnes | +4.2% |
| 2022 | 20.23 billion tonnes | +3.9% |
| 2023 | 21.02 billion tonnes | +3.9% |
| 2024 | 21.81 billion tonnes | +3.8% |
Iran compared with similar countries
- Iran's 21.81 billion tonnes is above the median for upper middle income countries, which is 827.42 million tonnes, 26.4× the median. (58 countries reporting)
- Iran's 21.81 billion tonnes is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is 2.06 billion tonnes, 10.6× the median. (23 countries reporting)
Biggest year-on-year movements
Years where Cumulative CO₂ emissions 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 |
|---|---|---|---|
| 1911 | +3700.0% | 3,664 tonnes | 139,232 tonnes |
| 1913 | +217.8% | 392,048 tonnes | 1.25 million tonnes |
| 1912 | +181.6% | 139,232 tonnes | 392,048 tonnes |
| 1914 | +94.1% | 1.25 million tonnes | 2.42 million tonnes |
| 1915 | +58.0% | 2.42 million tonnes | 3.82 million tonnes |
| 1916 | +52.5% | 3.82 million tonnes | 5.83 million tonnes |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1900s | 3,664 tonnes | 3,664 tonnes | 3,664 tonnes | 1 |
| 1910s | 5.66 million tonnes | 139,232 tonnes | 16.40 million tonnes | 9 |
| 1920s | 75.32 million tonnes | 21.83 million tonnes | 144.06 million tonnes | 10 |
| 1930s | 265.09 million tonnes | 162.57 million tonnes | 388.58 million tonnes | 10 |
| 1940s | 590.37 million tonnes | 415.71 million tonnes | 800.86 million tonnes | 10 |
| 1950s | 854.43 million tonnes | 810.46 million tonnes | 937.55 million tonnes | 10 |
| 1960s | 1.19 billion tonnes | 974.91 million tonnes | 1.49 billion tonnes | 10 |
| 1970s | 2.16 billion tonnes | 1.58 billion tonnes | 2.85 billion tonnes | 10 |
| 1980s | 3.62 billion tonnes | 2.97 billion tonnes | 4.35 billion tonnes | 10 |
| 1990s | 5.70 billion tonnes | 4.57 billion tonnes | 7.02 billion tonnes | 10 |
| 2000s | 9.35 billion tonnes | 7.38 billion tonnes | 11.57 billion tonnes | 10 |
| 2010s | 14.94 billion tonnes | 12.13 billion tonnes | 17.94 billion tonnes | 10 |
| 2020s | 20.24 billion tonnes | 18.68 billion tonnes | 21.81 billion tonnes | 5 |
Countries ranked near Iran
- 12 Italy 26.01 billion tonnes compare
- 13 South Africa 22.83 billion tonnes compare
- 14 Mexico 22.02 billion tonnes compare
- 16 South Korea 20.71 billion tonnes compare
- 17 Australia 20.04 billion tonnes compare
- 18 Saudi Arabia 19.02 billion tonnes compare
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 cumulative co₂ emissions in Iran?
- Cumulative co₂ emissions in Iran was 21.81 billion tonnes in 2024, according to Global Carbon Budget (2025) – with major processing by Our World in Data.
- What is the highest cumulative co₂ emissions recorded in Iran?
- The highest recorded value was 21.81 billion tonnes in 2024.
- What is the lowest cumulative co₂ emissions recorded in Iran?
- The lowest recorded value was 3,664 tonnes in 1906.
- How does Iran rank for cumulative co₂ emissions?
- Iran ranks 15th out of 215 countries with data for 2024.
- Is cumulative co₂ emissions rising or falling in Iran?
- Over the last ten years it is up 49.8%. 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 Cumulative CO₂ emissions. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 115 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Total cumulative emissions of carbon dioxide (CO₂), excluding land-use change, since the first year of available data, measured in tonnes.