Precipitation anomalies, annual growth rate in Iran
Iran: Precipitation anomalies, annual growth rate was -620.65 % change on previous year in 2025. ◆ Volatile
Latest (2025)
-620.65 % change on previous year
Change on year
down 576.9%
World rank
183rd
of 192 countries
All-time high
662.07 % change on previous year
in 1982
All-time low
-729.83 % change on previous year
in 2013
Years of data
77
1941–2025
Precipitation anomalies, annual growth rate in Iran, 1941–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
The most recent figure for precipitation anomalies, annual growth rate in Iran is -620.65 % change on previous year, measured in 2025.
That represents a change of down 576.9% on the previous year and down 604.2% over ten years.
Over the whole period, precipitation anomalies, annual growth rate in Iran peaked at 662.07 % change on previous year in 1982 and was at its lowest, -729.83 % change on previous year, in 2013.
Iran ranks 183rd 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.
Precipitation anomalies, annual growth rate in Iran, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1941 | 14.81 % change on previous year | — |
| 1942 | 30.59 % change on previous year | +106.6% |
| 1943 | 62.78 % change on previous year | +105.2% |
| 1944 | -216.09 % change on previous year | -444.2% |
| 1945 | 11.72 % change on previous year | -105.4% |
| 1946 | -38.79 % change on previous year | -431.1% |
| 1947 | 77.15 % change on previous year | -298.9% |
| 1948 | 95.42 % change on previous year | +23.7% |
| 1950 | -133.34 % change on previous year | -239.7% |
| 1951 | 472.86 % change on previous year | -454.6% |
| 1952 | -101.02 % change on previous year | -121.4% |
| 1954 | -50.4 % change on previous year | -50.1% |
| 1955 | -140.99 % change on previous year | +179.8% |
| 1956 | 19.5 % change on previous year | -113.8% |
| 1957 | 463.74 % change on previous year | +2277.7% |
| 1958 | -181.48 % change on previous year | -139.1% |
| 1959 | 66.72 % change on previous year | -136.8% |
| 1960 | -61.64 % change on previous year | -192.4% |
| 1961 | 34.27 % change on previous year | -155.6% |
| 1962 | -179.88 % change on previous year | -624.8% |
| 1963 | 98.71 % change on previous year | -154.9% |
| 1965 | 75.97 % change on previous year | -23.0% |
| 1966 | -460.29 % change on previous year | -705.9% |
| 1967 | 52.59 % change on previous year | -111.4% |
| 1968 | 204.34 % change on previous year | +288.6% |
| 1969 | 73.8 % change on previous year | -63.9% |
| 1970 | -232.71 % change on previous year | -415.3% |
| 1971 | 64.28 % change on previous year | -127.6% |
| 1972 | 525.55 % change on previous year | +717.6% |
| 1973 | -182.83 % change on previous year | -134.8% |
| 1974 | 164.03 % change on previous year | -189.7% |
| 1975 | -133.16 % change on previous year | -181.2% |
| 1976 | 379.47 % change on previous year | -385.0% |
| 1977 | -66.55 % change on previous year | -117.5% |
| 1978 | -275.17 % change on previous year | +313.4% |
| 1979 | 147.67 % change on previous year | -153.7% |
| 1980 | 34.34 % change on previous year | -76.7% |
| 1981 | -163.2 % change on previous year | -575.3% |
| 1982 | 662.07 % change on previous year | -505.7% |
| 1983 | -175.76 % change on previous year | -126.5% |
| 1984 | 87.48 % change on previous year | -149.8% |
| 1985 | -668.29 % change on previous year | -864.0% |
| 1986 | 229.25 % change on previous year | -134.3% |
| 1987 | -142.16 % change on previous year | -162.0% |
| 1988 | 132.97 % change on previous year | -193.5% |
| 1989 | -561.56 % change on previous year | -522.3% |
| 1990 | -40.87 % change on previous year | -92.7% |
| 1991 | 189.63 % change on previous year | -564.0% |
| 1992 | 30.48 % change on previous year | -83.9% |
| 1993 | -39.64 % change on previous year | -230.1% |
| 1994 | -76.96 % change on previous year | +94.1% |
| 1995 | -122.22 % change on previous year | +58.8% |
| 1997 | -56.7 % change on previous year | -53.6% |
| 1998 | -92.37 % change on previous year | +62.9% |
| 2000 | -74.99 % change on previous year | -18.8% |
| 2001 | -48.11 % change on previous year | -35.8% |
| 2002 | 82.62 % change on previous year | -271.7% |
| 2003 | 49.77 % change on previous year | -39.8% |
| 2004 | 593.81 % change on previous year | +1093.0% |
| 2005 | -126.42 % change on previous year | -121.3% |
| 2006 | 110.44 % change on previous year | -187.4% |
| 2007 | -617.8 % change on previous year | -659.4% |
| 2009 | 106.33 % change on previous year | -117.2% |
| 2011 | 106.92 % change on previous year | +0.6% |
| 2012 | -154.85 % change on previous year | -244.8% |
| 2013 | -729.83 % change on previous year | +371.3% |
| 2014 | -5.16 % change on previous year | -99.3% |
| 2015 | 123.08 % change on previous year | -2486.1% |
| 2016 | -636.31 % change on previous year | -617.0% |
| 2017 | 20.03 % change on previous year | -103.1% |
| 2018 | 114.74 % change on previous year | +472.7% |
| 2020 | -29.99 % change on previous year | -126.1% |
| 2021 | -270.41 % change on previous year | +801.7% |
| 2022 | 52.83 % change on previous year | -119.5% |
| 2023 | 11.44 % change on previous year | -78.3% |
| 2024 | 130.15 % change on previous year | +1037.3% |
| 2025 | -620.65 % change on previous year | -576.9% |
Iran compared with similar countries
- Iran's -620.65 % change on previous year is below the median for upper middle income countries, which is -19.09 % change on previous year, 32.5× the median. (50 countries reporting)
- Iran's -620.65 % change on previous year is below the median for Middle East, North Africa, Afghanistan & Pakistan, which is -148.32 % change on previous year, 4.2× the median. (22 countries reporting)
Biggest year-on-year movements
Years where Precipitation anomalies, 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 | +2486.1% | -5.16 % change on previous year | 123.08 % change on previous year |
| 1957 | +2277.7% | 19.5 % change on previous year | 463.74 % change on previous year |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 4.7 % change on previous year | -216.09 % change on previous year | 95.42 % change on previous year | 8 |
| 1950s | 46.18 % change on previous year | -181.48 % change on previous year | 472.86 % change on previous year | 9 |
| 1960s | -18.01 % change on previous year | -460.29 % change on previous year | 204.34 % change on previous year | 9 |
| 1970s | 39.06 % change on previous year | -275.17 % change on previous year | 525.55 % change on previous year | 10 |
| 1980s | -56.49 % change on previous year | -668.29 % change on previous year | 662.07 % change on previous year | 10 |
| 1990s | -26.08 % change on previous year | -122.22 % change on previous year | 189.63 % change on previous year | 8 |
| 2000s | 8.41 % change on previous year | -617.8 % change on previous year | 593.81 % change on previous year | 9 |
| 2010s | -145.17 % change on previous year | -729.83 % change on previous year | 123.08 % change on previous year | 8 |
| 2020s | -121.11 % change on previous year | -620.65 % change on previous year | 130.15 % change on previous year | 6 |
Countries ranked near Iran
- 180 Sao Tome and Principe -507.29 % change on previous year compare
- 181 Uzbekistan -520.78 % change on previous year compare
- 182 Turkmenistan -576.14 % change on previous year compare
- 184 Cyprus -676.66 % change on previous year compare
- 185 Bahrain -682.18 % change on previous year compare
- 186 Slovakia -697.56 % change on previous year 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)
- Autumn temperature anomalies 1.27 °C (2025)
Frequently asked questions
- What is precipitation anomalies, annual growth rate in Iran?
- Precipitation anomalies, annual growth rate in Iran was -620.65 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest precipitation anomalies, annual growth rate recorded in Iran?
- The highest recorded value was 662.07 % change on previous year in 1982.
- What is the lowest precipitation anomalies, annual growth rate recorded in Iran?
- The lowest recorded value was -729.83 % change on previous year in 2013.
- How does Iran rank for precipitation anomalies, annual growth rate?
- Iran ranks 183rd out of 192 countries with data for 2025.
- Is precipitation anomalies, annual growth rate rising or falling in Iran?
- Over the last ten years it is down 604.2%. 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 Precipitation anomalies, annual growth rate. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 77 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 Precipitation anomalies. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.
Computed from
- Precipitation anomalies 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 Precipitation anomalies. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.