Precipitation anomalies, annual growth rate in Samoa
Samoa: Precipitation anomalies, annual growth rate was 122.8 % change on previous year in 2025. ◆ Volatile
Latest (2025)
122.8 % change on previous year
Change on year
down 63.6%
World rank
29th
of 192 countries
All-time high
586.41 % change on previous year
in 1991
All-time low
-791.7 % change on previous year
in 1985
Years of data
78
1941–2025
Precipitation anomalies, annual growth rate in Samoa, 1941–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
Samoa recorded 122.8 % change on previous year for precipitation anomalies, annual growth rate in 2025.
The figure is down 63.6% on the previous year and up 186.4% over ten years.
Over the whole period, precipitation anomalies, annual growth rate in Samoa peaked at 586.41 % change on previous year in 1991 and was at its lowest, -791.7 % change on previous year, in 1985.
That places Samoa 29th out of 192 countries with data for 2025, putting it in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Precipitation anomalies, annual growth rate in Samoa, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1941 | 159.25 % change on previous year | — |
| 1942 | -123.38 % change on previous year | -177.5% |
| 1943 | -267.73 % change on previous year | +117.0% |
| 1944 | 47.79 % change on previous year | -117.8% |
| 1945 | -80.09 % change on previous year | -267.6% |
| 1946 | 25.97 % change on previous year | -132.4% |
| 1947 | 42.71 % change on previous year | +64.5% |
| 1948 | 93.52 % change on previous year | +118.9% |
| 1950 | -28.24 % change on previous year | -130.2% |
| 1951 | 86.89 % change on previous year | -407.7% |
| 1952 | 311.86 % change on previous year | +258.9% |
| 1953 | -146.18 % change on previous year | -146.9% |
| 1954 | -191.56 % change on previous year | +31.0% |
| 1955 | 4.9 % change on previous year | -102.6% |
| 1956 | -45.62 % change on previous year | -1030.1% |
| 1957 | 46.96 % change on previous year | -202.9% |
| 1958 | 60.74 % change on previous year | +29.3% |
| 1959 | 398.95 % change on previous year | +556.9% |
| 1960 | 61.61 % change on previous year | -84.6% |
| 1961 | -111.59 % change on previous year | -281.1% |
| 1962 | -129.61 % change on previous year | +16.1% |
| 1963 | -32.81 % change on previous year | -74.7% |
| 1964 | -66.06 % change on previous year | +101.3% |
| 1965 | 149 % change on previous year | -325.6% |
| 1966 | -340.96 % change on previous year | -328.8% |
| 1967 | 130 % change on previous year | -138.1% |
| 1968 | -701.41 % change on previous year | -639.6% |
| 1969 | 34.16 % change on previous year | -104.9% |
| 1970 | -33.05 % change on previous year | -196.8% |
| 1971 | -31.4 % change on previous year | -5.0% |
| 1972 | 82.31 % change on previous year | -362.1% |
| 1973 | 214.54 % change on previous year | +160.7% |
| 1974 | -587.92 % change on previous year | -374.0% |
| 1975 | 41.97 % change on previous year | -107.1% |
| 1976 | -49.99 % change on previous year | -219.1% |
| 1977 | 13.06 % change on previous year | -126.1% |
| 1978 | 256.44 % change on previous year | +1864.2% |
| 1979 | -168.61 % change on previous year | -165.7% |
| 1980 | 32.83 % change on previous year | -119.5% |
| 1981 | 106.02 % change on previous year | +222.9% |
| 1983 | -85.15 % change on previous year | -180.3% |
| 1984 | 95.72 % change on previous year | -212.4% |
| 1985 | -791.7 % change on previous year | -927.1% |
| 1986 | 95.16 % change on previous year | -112.0% |
| 1988 | 145.84 % change on previous year | +53.3% |
| 1989 | -164.52 % change on previous year | -212.8% |
| 1990 | 85.44 % change on previous year | -151.9% |
| 1991 | 586.41 % change on previous year | +586.4% |
| 1992 | -329.59 % change on previous year | -156.2% |
| 1993 | 30.07 % change on previous year | -109.1% |
| 1994 | -30.11 % change on previous year | -200.1% |
| 1995 | 134.4 % change on previous year | -546.4% |
| 1996 | -121.61 % change on previous year | -190.5% |
| 1997 | -95.45 % change on previous year | -21.5% |
| 1999 | 33.89 % change on previous year | -135.5% |
| 2000 | -15.38 % change on previous year | -145.4% |
| 2001 | 116.97 % change on previous year | -860.4% |
| 2002 | -381.38 % change on previous year | -426.0% |
| 2003 | 221.13 % change on previous year | -158.0% |
| 2004 | -181.6 % change on previous year | -182.1% |
| 2005 | 64.6 % change on previous year | -135.6% |
| 2007 | -47.08 % change on previous year | -172.9% |
| 2008 | -132.02 % change on previous year | +180.4% |
| 2009 | -273.53 % change on previous year | +107.2% |
| 2010 | 70.7 % change on previous year | -125.8% |
| 2011 | -221.72 % change on previous year | -413.6% |
| 2012 | 142.89 % change on previous year | -164.4% |
| 2013 | -106.06 % change on previous year | -174.2% |
| 2014 | 413.79 % change on previous year | -490.2% |
| 2015 | -142.08 % change on previous year | -134.3% |
| 2017 | 242.02 % change on previous year | -270.3% |
| 2018 | -15.1 % change on previous year | -106.2% |
| 2019 | -88.11 % change on previous year | +483.3% |
| 2021 | -116.34 % change on previous year | +32.0% |
| 2022 | -222 % change on previous year | +90.8% |
| 2023 | 86.27 % change on previous year | -138.9% |
| 2024 | 337.33 % change on previous year | +291.0% |
| 2025 | 122.8 % change on previous year | -63.6% |
Samoa compared with similar countries
- Samoa's 122.8 % change on previous year is above the median for upper middle income countries, which is -19.09 % change on previous year. (50 countries reporting)
- Samoa's 122.8 % change on previous year is above the median for East Asia & Pacific, which is -28.49 % change on previous year. (27 countries reporting)
Biggest year-on-year movements
Years where Precipitation anomalies, annual growth rate in Samoa 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 |
|---|---|---|---|
| 1978 | +1864.2% | 13.06 % change on previous year | 256.44 % change on previous year |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -12.74 % change on previous year | -267.73 % change on previous year | 159.25 % change on previous year | 8 |
| 1950s | 49.87 % change on previous year | -191.56 % change on previous year | 398.95 % change on previous year | 10 |
| 1960s | -100.77 % change on previous year | -701.41 % change on previous year | 149 % change on previous year | 10 |
| 1970s | -26.26 % change on previous year | -587.92 % change on previous year | 256.44 % change on previous year | 10 |
| 1980s | -70.72 % change on previous year | -791.7 % change on previous year | 145.84 % change on previous year | 8 |
| 1990s | 32.61 % change on previous year | -329.59 % change on previous year | 586.41 % change on previous year | 9 |
| 2000s | -69.81 % change on previous year | -381.38 % change on previous year | 221.13 % change on previous year | 9 |
| 2010s | 32.93 % change on previous year | -221.72 % change on previous year | 413.79 % change on previous year | 9 |
| 2020s | 41.61 % change on previous year | -222 % change on previous year | 337.33 % change on previous year | 5 |
Countries ranked near Samoa
- 26 Zimbabwe 166.07 % change on previous year compare
- 27 Liberia 145.01 % change on previous year compare
- 28 Albania 143.13 % change on previous year compare
- 30 Colombia 121.56 % change on previous year compare
- 31 Ireland 116.86 % change on previous year compare
- 32 Djibouti 113.3 % change on previous year compare
More climate change data for Samoa
- Nutrient nitrogen N (total) — Synthetic fertilizers (Agricultural) 18,792 kg (2050)
- Emissions from livestock — Emissions (CO2eq) 319.45 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from N2O 61.35 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from CH4 258.11 kt (2050)
- Emissions from livestock — Emissions 0.2315 kt (2050)
- Emissions from livestock — Emissions 9.22 kt (2050)
- Emissions from crops — Emissions (CO2eq) 0.106 kt (2050)
- Emissions from crops — Emissions (CO2eq) from N2O 0.106 kt (2050)
- Emissions from crops — Emissions (CO2eq) from CH4 0 kt (2050)
- Emissions from crops — Emissions 0.0004 kt (2050)
Frequently asked questions
- What is precipitation anomalies, annual growth rate in Samoa?
- Precipitation anomalies, annual growth rate in Samoa was 122.8 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest precipitation anomalies, annual growth rate recorded in Samoa?
- The highest recorded value was 586.41 % change on previous year in 1991.
- What is the lowest precipitation anomalies, annual growth rate recorded in Samoa?
- The lowest recorded value was -791.7 % change on previous year in 1985.
- How does Samoa rank for precipitation anomalies, annual growth rate?
- Samoa ranks 29th out of 192 countries with data for 2025.
- Is precipitation anomalies, annual growth rate rising or falling in Samoa?
- Over the last ten years it is up 186.4%. The long-run trend across the full record is volatile.
- Where does this Samoa 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 — 78 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.