Annual precipitation, annual growth rate in Iran
Iran: Annual precipitation, annual growth rate was -30.38 % change on previous year in 2025. ◆ Volatile
Latest (2025)
-30.38 % change on previous year
Change on year
down 213.4%
World rank
171st
of 192 countries
All-time high
79.88 % change on previous year
in 1974
All-time low
-52.3 % change on previous year
in 2021
Years of data
85
1941–2025
Annual precipitation, annual growth rate in Iran, 1941–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
Iran recorded -30.38 % change on previous year for annual precipitation, annual growth rate in 2025.
That represents a change of down 213.4% on the previous year and down 312.3% over ten years.
Over the whole period, annual precipitation, annual growth rate in Iran peaked at 79.88 % change on previous year in 1974 and was at its lowest, -52.3 % change on previous year, in 2021.
Iran ranks 171st of 192 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Annual precipitation, annual growth rate in Iran, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1941 | 10.55 % change on previous year | — |
| 1942 | 16.81 % change on previous year | +59.2% |
| 1943 | 20.49 % change on previous year | +21.9% |
| 1944 | -21.79 % change on previous year | -206.3% |
| 1945 | 4.77 % change on previous year | -121.9% |
| 1946 | -13.32 % change on previous year | -379.0% |
| 1947 | 42.42 % change on previous year | -418.4% |
| 1948 | 8.42 % change on previous year | -80.2% |
| 1949 | 18.08 % change on previous year | +114.8% |
| 1950 | -19.99 % change on previous year | -210.6% |
| 1951 | 29.54 % change on previous year | -247.8% |
| 1952 | -18.17 % change on previous year | -161.5% |
| 1953 | 64.67 % change on previous year | -456.0% |
| 1954 | -19.72 % change on previous year | -130.5% |
| 1955 | -34.1 % change on previous year | +72.9% |
| 1956 | 2.93 % change on previous year | -108.6% |
| 1957 | 54.55 % change on previous year | +1759.2% |
| 1958 | -50.25 % change on previous year | -192.1% |
| 1959 | 30.25 % change on previous year | -160.2% |
| 1960 | -7.14 % change on previous year | -123.6% |
| 1961 | 6.91 % change on previous year | -196.8% |
| 1962 | -22.3 % change on previous year | -422.7% |
| 1963 | 44.07 % change on previous year | -297.7% |
| 1964 | -16.6 % change on previous year | -137.7% |
| 1965 | 15.48 % change on previous year | -193.3% |
| 1966 | -19.52 % change on previous year | -226.1% |
| 1967 | 15.53 % change on previous year | -179.5% |
| 1968 | 24.76 % change on previous year | +59.5% |
| 1969 | 7.48 % change on previous year | -69.8% |
| 1970 | -38.13 % change on previous year | -609.9% |
| 1971 | 22.6 % change on previous year | -159.3% |
| 1972 | 53.83 % change on previous year | +138.2% |
| 1973 | -51.81 % change on previous year | -196.2% |
| 1974 | 79.88 % change on previous year | -254.2% |
| 1975 | -23.08 % change on previous year | -128.9% |
| 1976 | 28.36 % change on previous year | -222.9% |
| 1977 | -10.83 % change on previous year | -138.2% |
| 1978 | -16.79 % change on previous year | +55.1% |
| 1979 | 18.97 % change on previous year | -213.0% |
| 1980 | 1.77 % change on previous year | -90.7% |
| 1981 | -11.09 % change on previous year | -727.4% |
| 1982 | 31.98 % change on previous year | -388.4% |
| 1983 | -36.16 % change on previous year | -213.1% |
| 1984 | 21.35 % change on previous year | -159.1% |
| 1985 | -16.84 % change on previous year | -178.9% |
| 1986 | 53.36 % change on previous year | -416.9% |
| 1987 | -27.89 % change on previous year | -152.3% |
| 1988 | 15.25 % change on previous year | -154.7% |
| 1989 | -18.42 % change on previous year | -220.8% |
| 1990 | -7.59 % change on previous year | -58.8% |
| 1991 | 53.66 % change on previous year | -807.3% |
| 1992 | 5.03 % change on previous year | -90.6% |
| 1993 | -8.13 % change on previous year | -261.6% |
| 1994 | -10.37 % change on previous year | +27.5% |
| 1995 | -4.23 % change on previous year | -59.2% |
| 1996 | 23.11 % change on previous year | -646.0% |
| 1997 | -10.27 % change on previous year | -144.5% |
| 1998 | -8.08 % change on previous year | -21.4% |
| 1999 | -11.23 % change on previous year | +39.1% |
| 2000 | -8.88 % change on previous year | -21.0% |
| 2001 | -10.94 % change on previous year | +23.2% |
| 2002 | 31.24 % change on previous year | -385.6% |
| 2003 | 2.49 % change on previous year | -92.0% |
| 2004 | 14.58 % change on previous year | +484.7% |
| 2005 | -13.37 % change on previous year | -191.8% |
| 2006 | 3.56 % change on previous year | -126.6% |
| 2007 | -2.01 % change on previous year | -156.4% |
| 2008 | -28.84 % change on previous year | +1334.8% |
| 2009 | 45.65 % change on previous year | -258.3% |
| 2010 | -32.75 % change on previous year | -171.7% |
| 2011 | 49.1 % change on previous year | -249.9% |
| 2012 | -3.3 % change on previous year | -106.7% |
| 2013 | -8.82 % change on previous year | +167.3% |
| 2014 | -0.567 % change on previous year | -93.6% |
| 2015 | 14.31 % change on previous year | -2624.0% |
| 2016 | -14.94 % change on previous year | -204.4% |
| 2017 | 2.97 % change on previous year | -119.9% |
| 2018 | 13.19 % change on previous year | +344.8% |
| 2019 | 32.24 % change on previous year | +144.4% |
| 2020 | -7.65 % change on previous year | -123.7% |
| 2021 | -52.3 % change on previous year | +583.6% |
| 2022 | 36.51 % change on previous year | -169.8% |
| 2023 | 2.73 % change on previous year | -92.5% |
| 2024 | 26.79 % change on previous year | +880.4% |
| 2025 | -30.38 % change on previous year | -213.4% |
Iran compared with similar countries
- Iran's -30.38 % change on previous year is below the median for upper middle income countries, which is -2.89 % change on previous year, 10.5× the median. (50 countries reporting)
- Iran's -30.38 % change on previous year is below the median for Middle East, North Africa, Afghanistan & Pakistan, which is -26 % change on previous year, 1.2× the median. (22 countries reporting)
Biggest year-on-year movements
Years where Annual precipitation, annual growth rate 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 |
|---|---|---|---|
| 2015 | +2624.0% | -0.567 % change on previous year | 14.31 % change on previous year |
| 1957 | +1759.2% | 2.93 % change on previous year | 54.55 % change on previous year |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 9.6 % change on previous year | -21.79 % change on previous year | 42.42 % change on previous year | 9 |
| 1950s | 3.97 % change on previous year | -50.25 % change on previous year | 64.67 % change on previous year | 10 |
| 1960s | 4.87 % change on previous year | -22.3 % change on previous year | 44.07 % change on previous year | 10 |
| 1970s | 6.3 % change on previous year | -51.81 % change on previous year | 79.88 % change on previous year | 10 |
| 1980s | 1.33 % change on previous year | -36.16 % change on previous year | 53.36 % change on previous year | 10 |
| 1990s | 2.19 % change on previous year | -11.23 % change on previous year | 53.66 % change on previous year | 10 |
| 2000s | 3.35 % change on previous year | -28.84 % change on previous year | 45.65 % change on previous year | 10 |
| 2010s | 5.14 % change on previous year | -32.75 % change on previous year | 49.1 % change on previous year | 10 |
| 2020s | -4.05 % change on previous year | -52.3 % change on previous year | 36.51 % change on previous year | 6 |
Countries ranked near Iran
- 168 Yemen -28.33 % change on previous year compare
- 169 Iraq -28.79 % change on previous year compare
- 170 Uruguay -28.82 % change on previous year compare
- 172 Turkmenistan -31.3 % change on previous year compare
- 173 Somalia -31.97 % change on previous year compare
- 174 Belgium -32.45 % change on previous year compare
More reference data data for Iran
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 3.47 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 12.01 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 26.62 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 1.34 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 26.62 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 11.62 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 3.84 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 46.54 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 109.46 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 7.3 (2050)
Frequently asked questions
- What is annual precipitation, annual growth rate in Iran?
- Annual precipitation, annual growth rate in Iran was -30.38 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest annual precipitation, annual growth rate recorded in Iran?
- The highest recorded value was 79.88 % change on previous year in 1974.
- What is the lowest annual precipitation, annual growth rate recorded in Iran?
- The lowest recorded value was -52.3 % change on previous year in 2021.
- How does Iran rank for annual precipitation, annual growth rate?
- Iran ranks 171st out of 192 countries with data for 2025.
- Is annual precipitation, annual growth rate rising or falling in Iran?
- Over the last ten years it is down 312.3%. The long-run trend across the full record is volatile.
- Where does this Iran data come from?
- The figures come from Statizoid (derived), published as part of Annual precipitation, annual growth rate. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 85 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
The year-on-year percentage change in Annual precipitation. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.
Computed from
- Annual precipitation Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
The year-on-year percentage change in Annual precipitation. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.