Global warming: Contributions to the change in global mean surface temperature in Iran

Iran: Global warming: Contributions to the change in global mean surface temperature was 1.1% in 2024. ◆ Volatile

Latest (2024)
1.1%
Change on year
up 1.1%
World rank
15th
of 215 countries
All-time high
1.1%
in 2024
All-time low
0.2%
in 1859
Years of data
174
1851–2024

Global warming: Contributions to the change in global mean surface temperature in Iran, 1851–2024

0.20.40.60.81185119372024

Source: Jones et al. (2025) – with major processing by Our World in Data. Measured in %.

Analysis

Iran recorded 1.1% for global warming: contributions to the change in global mean surface temperature in 2024. That is the highest value across all 174 years on record.

That represents a change of up 1.1% on the previous year and up 11.2% over ten years.

Over the whole period, global warming: contributions to the change in global mean surface temperature in Iran peaked at 1.1% in 2024 and was at its lowest, 0.2%, in 1859.

That places Iran 15th out of 215 countries with data for 2024, putting it in the top 10%.

The series is highly variable year to year, so single readings are best treated with caution.

Global warming: Contributions to the change in global mean surface temperature in Iran, year by year

Annual values for Global warming: Contributions to the change in global mean surface temperature in Iran, 1851 to 2024.
Year % Change
1851 0.2%
1852 0.2% -1.2%
1853 0.2% -0.6%
1854 0.2% -0.9%
1855 0.2% -0.7%
1856 0.2% -0.6%
1857 0.2% -0.6%
1858 0.2% -0.4%
1859 0.2% -0.5%
1860 0.2% +0.1%
1861 0.2% +0.3%
1862 0.2% +0.4%
1863 0.2% +0.3%
1864 0.2% +0.1%
1865 0.2% +0.2%
1866 0.2% +0.1%
1867 0.2% +0.1%
1868 0.2% +0.1%
1869 0.2% +0.1%
1870 0.2% +0.7%
1871 0.2% +1.3%
1872 0.2% +1.5%
1873 0.2% +1.7%
1874 0.2% +1.9%
1875 0.2% +2.0%
1876 0.2% +2.0%
1877 0.2% +2.0%
1878 0.2% +1.9%
1879 0.2% +1.8%
1880 0.2% +1.7%
1881 0.2% +1.7%
1882 0.2% +1.5%
1883 0.2% +1.4%
1884 0.2% +1.4%
1885 0.2% +1.4%
1886 0.2% +1.3%
1887 0.2% +1.2%
1888 0.2% +1.1%
1889 0.3% +1.1%
1890 0.3% +0.7%
1891 0.3% +0.5%
1892 0.3% +0.5%
1893 0.3% +0.4%
1894 0.3% +0.3%
1895 0.3% +0.2%
1896 0.3% +0.1%
1897 0.3% -0.0%
1898 0.3% -0.1%
1899 0.3% -0.2%
1900 0.3% -0.3%
1901 0.3% -0.4%
1902 0.3% -0.4%
1903 0.3% -0.5%
1904 0.3% -0.6%
1905 0.2% -0.7%
1906 0.2% -0.7%
1907 0.2% -0.9%
1908 0.2% -0.8%
1909 0.2% -0.9%
1910 0.2% -0.9%
1911 0.2% -0.8%
1912 0.2% -0.8%
1913 0.2% -0.7%
1914 0.2% -0.5%
1915 0.2% -0.4%
1916 0.2% -0.4%
1917 0.2% -0.3%
1918 0.2% -0.2%
1919 0.2% +0.1%
1920 0.2% -0.0%
1921 0.2% +0.3%
1922 0.2% +0.4%
1923 0.2% +0.4%
1924 0.2% +0.6%
1925 0.2% +0.6%
1926 0.2% +0.7%
1927 0.2% +0.7%
1928 0.2% +0.8%
1929 0.2% +0.6%
1930 0.2% +0.8%
1931 0.2% +0.8%
1932 0.2% +1.0%
1933 0.3% +1.0%
1934 0.3% +1.0%
1935 0.3% +0.9%
1936 0.3% +0.9%
1937 0.3% +1.1%
1938 0.3% +1.1%
1939 0.3% +0.9%
1940 0.3% +0.7%
1941 0.3% +0.3%
1942 0.3% +0.8%
1943 0.3% +0.8%
1944 0.3% +1.3%
1945 0.3% +1.9%
1946 0.3% +2.1%
1947 0.3% +2.1%
1948 0.3% +2.6%
1949 0.3% -0.1%
1950 0.3% +0.0%
1951 0.3% -0.0%
1952 0.3% +0.0%
1953 0.3% +0.1%
1954 0.3% +0.1%
1955 0.3% +0.6%
1956 0.3% +2.3%
1957 0.3% +2.9%
1958 0.3% +3.4%
1959 0.3% +2.9%
1960 0.4% +5.5%
1961 0.4% +4.4%
1962 0.4% +4.0%
1963 0.4% +4.0%
1964 0.4% +4.4%
1965 0.4% +4.4%
1966 0.5% +4.6%
1967 0.5% +4.5%
1968 0.5% +5.8%
1969 0.5% +4.9%
1970 0.6% +5.7%
1971 0.6% +5.4%
1972 0.6% +5.5%
1973 0.7% +5.9%
1974 0.7% +5.6%
1975 0.7% +4.3%
1976 0.8% +4.1%
1977 0.8% +3.3%
1978 0.8% +2.8%
1979 0.8% +0.9%
1980 0.8% -1.2%
1981 0.8% -1.0%
1982 0.8% -0.3%
1983 0.8% -0.1%
1984 0.8% -0.5%
1985 0.8% -0.5%
1986 0.8% -0.8%
1987 0.8% -0.7%
1988 0.8% -1.2%
1989 0.8% -0.7%
1990 0.8% -0.6%
1991 0.8% +0.1%
1992 0.8% -0.0%
1993 0.8% -0.5%
1994 0.8% -0.4%
1995 0.8% -0.2%
1996 0.7% -0.3%
1997 0.7% -0.3%
1998 0.7% -0.3%
1999 0.8% +1.3%
2000 0.8% +2.3%
2001 0.8% +2.2%
2002 0.8% +1.7%
2003 0.8% +2.0%
2004 0.8% +2.0%
2005 0.9% +2.1%
2006 0.9% +2.2%
2007 0.9% +1.8%
2008 0.9% +1.8%
2009 0.9% +1.6%
2010 0.9% +1.4%
2011 0.9% +1.0%
2012 0.9% +0.6%
2013 0.9% +0.6%
2014 1.0% +0.6%
2015 1.0% +0.7%
2016 1.0% +1.1%
2017 1.0% +1.2%
2018 1.0% +1.2%
2019 1.0% +1.0%
2020 1.0% +0.9%
2021 1.0% +1.2%
2022 1.0% +1.1%
2023 1.0% +1.1%
2024 1.1% +1.1%

Iran compared with similar countries

  • Iran's 1.1% is above the median for upper middle income countries, which is 0.1%, 11.1× the median. (58 countries reporting)
  • Iran's 1.1% is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is 0.1%, 9.1× the median. (23 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1850s 0.2% 0.2% 0.2% 9
1860s 0.2% 0.2% 0.2% 10
1870s 0.2% 0.2% 0.2% 10
1880s 0.2% 0.2% 0.3% 10
1890s 0.3% 0.3% 0.3% 10
1900s 0.2% 0.2% 0.3% 10
1910s 0.2% 0.2% 0.2% 10
1920s 0.2% 0.2% 0.2% 10
1930s 0.3% 0.2% 0.3% 10
1940s 0.3% 0.3% 0.3% 10
1950s 0.3% 0.3% 0.3% 10
1960s 0.4% 0.4% 0.5% 10
1970s 0.7% 0.6% 0.8% 10
1980s 0.8% 0.8% 0.8% 10
1990s 0.8% 0.7% 0.8% 10
2000s 0.8% 0.8% 0.9% 10
2010s 1.0% 0.9% 1.0% 10
2020s 1.0% 1.0% 1.1% 5

Countries ranked near Iran

  1. 12 Ukraine 1.4% compare
  2. 13 Mexico 1.3% compare
  3. 14 France 1.3% compare
  4. 16 Poland 1.1% compare
  5. 17 Nigeria 1.0% compare
  6. 18 South Africa 1.0% compare

See the full ranking of 215 places →

More reference data data for Iran

All data for Iran →

Frequently asked questions

What is global warming: contributions to the change in global mean surface temperature in Iran?
Global warming: contributions to the change in global mean surface temperature in Iran was 1.1% in 2024, according to Jones et al. (2025) – with major processing by Our World in Data.
What is the highest global warming: contributions to the change in global mean surface temperature recorded in Iran?
The highest recorded value was 1.1% in 2024.
What is the lowest global warming: contributions to the change in global mean surface temperature recorded in Iran?
The lowest recorded value was 0.2% in 1859.
How does Iran rank for global warming: contributions to the change in global mean surface temperature?
Iran ranks 15th out of 215 countries with data for 2024.
Is global warming: contributions to the change in global mean surface temperature rising or falling in Iran?
Over the last ten years it is up 11.2%. The long-run trend across the full record is volatile.
Where does this Iran data come from?
The figures come from Jones et al. (2025) – with major processing by Our World in Data, published as part of Global warming: Contributions to the change in global mean surface temperature. Statizoid updates them automatically from the source API.

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CSV · JSON — 174 observations, free to reuse under CC BY 4.0 (Our World in Data).

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Global warming: Contributions to the change in global mean surface temperature in Iran. Statizoid, drawing on Jones et al. (2025) – with major processing by Our World in Data. Retrieved 22 September 2026, from https://reference.statizoid.com/stat/contributions-global-temp-change/iran-islamic-rep/

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About this data

Indicator
Global warming: Contributions to the change in global mean surface temperature
Unit
%
Source
Jones et al. (2025) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
215 places, 37,410 data points, 1851–2024
Last refreshed

Measured as a percentage of the world's temperature change.