Annual percentage change in CO₂ emissions in Iran
Iran: Annual percentage change in CO₂ emissions was 0.4% in 2024. ◆ Volatile
Latest (2024)
0.4%
Change on year
down 87.2%
World rank
156th
of 215 countries
All-time high
1,414.7%
in 1955
All-time low
-89.6%
in 1949
Years of data
113
1912–2024
Annual percentage change in CO₂ emissions in Iran, 1912–2024
Source: Global Carbon Budget (2025) – with major processing by Our World in Data. Measured in %.
Analysis
Iran recorded 0.4% for annual percentage change in co₂ emissions in 2024.
That represents a change of down 87.2% on the previous year and down 93.3% over ten years.
Over the whole period, annual percentage change in co₂ emissions in Iran peaked at 1,414.7% in 1955 and was at its lowest, -89.6%, in 1949.
Iran ranks 156th of 215 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Annual percentage change in CO₂ emissions in Iran, year by year
| Year | % | Change |
|---|---|---|
| 1912 | 86.5% | — |
| 1913 | 237.7% | +174.8% |
| 1914 | 37.3% | -84.3% |
| 1915 | 19.7% | -47.3% |
| 1916 | 43.1% | +118.8% |
| 1917 | 39.4% | -8.5% |
| 1918 | 23.2% | -41.2% |
| 1919 | 25.3% | +9.2% |
| 1920 | 25.9% | +2.3% |
| 1921 | 33.4% | +29.2% |
| 1922 | 27.2% | -18.7% |
| 1923 | 25.5% | -6.2% |
| 1924 | 16.6% | -34.7% |
| 1925 | 5.2% | -69.0% |
| 1926 | 6.0% | +17.1% |
| 1927 | 10.9% | +80.6% |
| 1928 | 5.9% | -46.3% |
| 1929 | -3.7% | -163.3% |
| 1930 | 8.8% | -336.1% |
| 1931 | -3.2% | -136.4% |
| 1932 | 12.1% | -479.2% |
| 1933 | 9.9% | -17.7% |
| 1934 | 6.4% | -35.9% |
| 1935 | -0.7% | -110.3% |
| 1936 | 9.5% | -1547.6% |
| 1937 | 24.0% | +153.3% |
| 1938 | 0.3% | -98.8% |
| 1939 | -5.4% | -2057.1% |
| 1940 | -9.7% | +79.2% |
| 1941 | -23.2% | +138.9% |
| 1942 | 41.8% | -279.9% |
| 1943 | 3.1% | -92.5% |
| 1944 | 36.8% | +1076.6% |
| 1945 | 27.0% | -26.7% |
| 1946 | 13.9% | -48.6% |
| 1947 | 5.4% | -61.3% |
| 1948 | 22.8% | +324.9% |
| 1949 | -89.6% | -492.5% |
| 1950 | 18.1% | -120.2% |
| 1951 | -28.0% | -254.7% |
| 1952 | -40.8% | +45.8% |
| 1953 | -6.4% | -84.2% |
| 1954 | -72.7% | +1028.0% |
| 1955 | 1,414.7% | -2045.1% |
| 1956 | 44.2% | -96.9% |
| 1957 | -4.4% | -110.0% |
| 1958 | 15.7% | -455.9% |
| 1959 | 1.3% | -91.4% |
| 1960 | 46.1% | +3320.8% |
| 1961 | -2.3% | -104.9% |
| 1962 | 2.5% | -210.7% |
| 1963 | 10.4% | +311.2% |
| 1964 | 15.0% | +45.3% |
| 1965 | 13.0% | -13.3% |
| 1966 | 19.3% | +48.2% |
| 1967 | 5.9% | -69.5% |
| 1968 | 21.3% | +261.2% |
| 1969 | 0.9% | -96.0% |
| 1970 | 10.5% | +1123.1% |
| 1971 | 10.7% | +1.8% |
| 1972 | 4.3% | -59.7% |
| 1973 | 22.1% | +412.6% |
| 1974 | 11.0% | -50.1% |
| 1975 | -3.2% | -128.7% |
| 1976 | 12.4% | -491.5% |
| 1977 | 4.7% | -62.3% |
| 1978 | -0.9% | -119.8% |
| 1979 | 0.5% | -156.4% |
| 1980 | -26.0% | -5075.3% |
| 1981 | -6.1% | -76.4% |
| 1982 | 21.9% | -456.9% |
| 1983 | 8.6% | -60.8% |
| 1984 | 0.2% | -97.1% |
| 1985 | 6.7% | +2601.9% |
| 1986 | -7.6% | -213.2% |
| 1987 | 7.4% | -198.0% |
| 1988 | 10.4% | +40.2% |
| 1989 | 8.6% | -17.4% |
| 1990 | 10.4% | +21.3% |
| 1991 | 5.7% | -45.7% |
| 1992 | 2.3% | -59.3% |
| 1993 | 3.9% | +66.9% |
| 1994 | 11.7% | +204.5% |
| 1995 | 2.3% | -80.5% |
| 1996 | 2.1% | -7.2% |
| 1997 | -2.7% | -225.4% |
| 1998 | 13.5% | -608.0% |
| 1999 | 22.5% | +66.6% |
| 2000 | -1.9% | -108.6% |
| 2001 | 6.2% | -419.8% |
| 2002 | 1.8% | -70.5% |
| 2003 | 3.5% | +92.2% |
| 2004 | 7.6% | +116.0% |
| 2005 | 5.6% | -26.4% |
| 2006 | 7.3% | +31.3% |
| 2007 | 1.3% | -81.6% |
| 2008 | 4.1% | +203.1% |
| 2009 | 2.8% | -31.1% |
| 2010 | 3.3% | +18.3% |
| 2011 | 2.6% | -20.5% |
| 2012 | 4.0% | +50.1% |
| 2013 | 1.8% | -55.0% |
| 2014 | 5.6% | +213.8% |
| 2015 | -0.4% | -106.3% |
| 2016 | 0.4% | -220.4% |
| 2017 | 8.0% | +1792.5% |
| 2018 | -4.6% | -157.1% |
| 2019 | 9.4% | -306.2% |
| 2020 | 2.5% | -73.3% |
| 2021 | 4.6% | +80.6% |
| 2022 | -1.6% | -134.8% |
| 2023 | 2.9% | -285.1% |
| 2024 | 0.4% | -87.2% |
Iran compared with similar countries
- Iran's 0.4% is below the median for upper middle income countries, which is 2.7%, 14% of the median. (58 countries reporting)
- Iran's 0.4% is below the median for Middle East, North Africa, Afghanistan & Pakistan, which is 0.6%, 64% of the median. (23 countries reporting)
Biggest year-on-year movements
Years where Annual percentage change in 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 |
|---|---|---|---|
| 1980 | -5075.3% | 0.5% | -26.0% |
| 1960 | +3320.8% | 1.3% | 46.1% |
| 1985 | +2601.9% | 0.2% | 6.7% |
| 1955 | +2045.1% | -72.7% | 1,414.7% |
| 1939 | -2057.1% | 0.3% | -5.4% |
| 2017 | +1792.5% | 0.4% | 8.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1910s | 64.0% | 19.7% | 237.7% | 8 |
| 1920s | 15.3% | -3.7% | 33.4% | 10 |
| 1930s | 6.2% | -5.4% | 24.0% | 10 |
| 1940s | 2.8% | -89.6% | 41.8% | 10 |
| 1950s | 134.2% | -72.7% | 1,414.7% | 10 |
| 1960s | 13.2% | -2.3% | 46.1% | 10 |
| 1970s | 7.2% | -3.2% | 22.1% | 10 |
| 1980s | 2.4% | -26.0% | 21.9% | 10 |
| 1990s | 7.2% | -2.7% | 22.5% | 10 |
| 2000s | 3.8% | -1.9% | 7.6% | 10 |
| 2010s | 3.0% | -4.6% | 9.4% | 10 |
| 2020s | 1.8% | -1.6% | 4.6% | 5 |
Countries ranked near Iran
- 153 Sudan 0.4% compare
- 154 Jordan 0.4% compare
- 155 Democratic Republic of Congo 0.4% compare
- 157 Syria 0.3% compare
- 158 Liechtenstein 0.3% compare
- 159 Switzerland 0.3% 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 annual percentage change in co₂ emissions in Iran?
- Annual percentage change in co₂ emissions in Iran was 0.4% in 2024, according to Global Carbon Budget (2025) – with major processing by Our World in Data.
- What is the highest annual percentage change in co₂ emissions recorded in Iran?
- The highest recorded value was 1,414.7% in 1955.
- What is the lowest annual percentage change in co₂ emissions recorded in Iran?
- The lowest recorded value was -89.6% in 1949.
- How does Iran rank for annual percentage change in co₂ emissions?
- Iran ranks 156th out of 215 countries with data for 2024.
- Is annual percentage change in co₂ emissions rising or falling in Iran?
- Over the last ten years it is down 93.3%. 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 Annual percentage change in CO₂ emissions. Statizoid updates them automatically from the source API.
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About this data
Annual percentage growth in total emissions of carbon dioxide (CO₂), excluding land-use change.