Annual precipitation, annual growth rate in Tanzania
Tanzania: Annual precipitation, annual growth rate was -28.3 % change on previous year in 2025. ◆ Volatile
Latest (2025)
-28.3 % change on previous year
Change on year
down 279.8%
World rank
167th
of 192 countries
All-time high
55.91 % change on previous year
in 2006
All-time low
-41 % change on previous year
in 1954
Years of data
85
1941–2025
Annual precipitation, annual growth rate in Tanzania, 1941–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
The most recent figure for annual precipitation, annual growth rate in Tanzania is -28.3 % change on previous year, measured in 2025.
Compared with earlier readings it is down 279.8% on the previous year and down 11,973.6% over ten years.
Over the whole period, annual precipitation, annual growth rate in Tanzania peaked at 55.91 % change on previous year in 2006 and was at its lowest, -41 % change on previous year, in 1954.
That places Tanzania 167th out of 192 countries with data for 2025, putting it 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 Tanzania, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1941 | 5.12 % change on previous year | — |
| 1942 | -36.01 % change on previous year | -803.3% |
| 1943 | -18.64 % change on previous year | -48.2% |
| 1944 | 27.35 % change on previous year | -246.7% |
| 1945 | 27.66 % change on previous year | +1.1% |
| 1946 | -16.71 % change on previous year | -160.4% |
| 1947 | 35.93 % change on previous year | -315.1% |
| 1948 | -5.59 % change on previous year | -115.6% |
| 1949 | -8.68 % change on previous year | +55.1% |
| 1950 | 14.96 % change on previous year | -272.4% |
| 1951 | 24.47 % change on previous year | +63.6% |
| 1952 | -21.29 % change on previous year | -187.0% |
| 1953 | 51.83 % change on previous year | -343.4% |
| 1954 | -41 % change on previous year | -179.1% |
| 1955 | 21.01 % change on previous year | -151.2% |
| 1956 | -4.61 % change on previous year | -122.0% |
| 1957 | 49.33 % change on previous year | -1169.3% |
| 1958 | -28.89 % change on previous year | -158.6% |
| 1959 | 10.23 % change on previous year | -135.4% |
| 1960 | -9.43 % change on previous year | -192.2% |
| 1961 | 32.31 % change on previous year | -442.5% |
| 1962 | -19.68 % change on previous year | -160.9% |
| 1963 | 5.03 % change on previous year | -125.6% |
| 1964 | -13.17 % change on previous year | -361.7% |
| 1965 | 2.13 % change on previous year | -116.2% |
| 1966 | -13.42 % change on previous year | -729.8% |
| 1967 | 15.55 % change on previous year | -215.9% |
| 1968 | 10.38 % change on previous year | -33.2% |
| 1969 | -26.48 % change on previous year | -355.1% |
| 1970 | 28.48 % change on previous year | -207.6% |
| 1971 | -1.6 % change on previous year | -105.6% |
| 1972 | 26.27 % change on previous year | -1746.2% |
| 1973 | -23.41 % change on previous year | -189.1% |
| 1974 | -3.13 % change on previous year | -86.6% |
| 1975 | -0.5956 % change on previous year | -81.0% |
| 1976 | 0.2871 % change on previous year | -148.2% |
| 1977 | 22.66 % change on previous year | +7794.2% |
| 1978 | -2.56 % change on previous year | -111.3% |
| 1979 | -2.43 % change on previous year | -5.1% |
| 1980 | -14.91 % change on previous year | +514.1% |
| 1981 | -1.41 % change on previous year | -90.6% |
| 1982 | 16.51 % change on previous year | -1274.3% |
| 1983 | -14.84 % change on previous year | -189.9% |
| 1984 | 9.96 % change on previous year | -167.1% |
| 1985 | -2.78 % change on previous year | -127.9% |
| 1986 | 15.83 % change on previous year | -669.8% |
| 1987 | -18.76 % change on previous year | -218.5% |
| 1988 | -4.86 % change on previous year | -74.1% |
| 1989 | 23.89 % change on previous year | -591.7% |
| 1990 | -17.36 % change on previous year | -172.7% |
| 1991 | 6.42 % change on previous year | -137.0% |
| 1992 | -13.46 % change on previous year | -309.5% |
| 1993 | -13.54 % change on previous year | +0.6% |
| 1994 | 30.32 % change on previous year | -323.9% |
| 1995 | -13.38 % change on previous year | -144.1% |
| 1996 | -3.13 % change on previous year | -76.6% |
| 1997 | 29.46 % change on previous year | -1041.0% |
| 1998 | -12.89 % change on previous year | -143.7% |
| 1999 | -15.37 % change on previous year | +19.3% |
| 2000 | 4.62 % change on previous year | -130.0% |
| 2001 | 1.3 % change on previous year | -71.9% |
| 2002 | 18.85 % change on previous year | +1352.9% |
| 2003 | -33.97 % change on previous year | -280.2% |
| 2004 | 34.83 % change on previous year | -202.5% |
| 2005 | -26.25 % change on previous year | -175.4% |
| 2006 | 55.91 % change on previous year | -313.0% |
| 2007 | -19.69 % change on previous year | -135.2% |
| 2008 | 4.87 % change on previous year | -124.8% |
| 2009 | -5.33 % change on previous year | -209.3% |
| 2010 | 1.94 % change on previous year | -136.3% |
| 2011 | 19.36 % change on previous year | +900.3% |
| 2012 | -12.01 % change on previous year | -162.0% |
| 2013 | 2.99 % change on previous year | -124.9% |
| 2014 | 2.72 % change on previous year | -8.9% |
| 2015 | -0.2344 % change on previous year | -108.6% |
| 2016 | -7.49 % change on previous year | +3095.5% |
| 2017 | 6.15 % change on previous year | -182.1% |
| 2018 | 11.47 % change on previous year | +86.5% |
| 2019 | 5.03 % change on previous year | -56.2% |
| 2020 | 7.51 % change on previous year | +49.4% |
| 2021 | -31.66 % change on previous year | -521.4% |
| 2022 | 10.7 % change on previous year | -133.8% |
| 2023 | 12.67 % change on previous year | +18.4% |
| 2024 | 15.74 % change on previous year | +24.2% |
| 2025 | -28.3 % change on previous year | -279.8% |
Tanzania compared with similar countries
- Tanzania's -28.3 % change on previous year is below the median for lower middle income countries, which is -4.11 % change on previous year, 6.9× the median. (47 countries reporting)
- Tanzania's -28.3 % change on previous year is below the median for Sub-Saharan Africa, which is -3.45 % change on previous year, 8.2× the median. (48 countries reporting)
Biggest year-on-year movements
Years where Annual precipitation, annual growth rate in Tanzania 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 |
|---|---|---|---|
| 1977 | +7794.2% | 0.2871 % change on previous year | 22.66 % change on previous year |
| 2016 | -3095.5% | -0.2344 % change on previous year | -7.49 % change on previous year |
| 1972 | +1746.2% | -1.6 % change on previous year | 26.27 % change on previous year |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 1.16 % change on previous year | -36.01 % change on previous year | 35.93 % change on previous year | 9 |
| 1950s | 7.6 % change on previous year | -41 % change on previous year | 51.83 % change on previous year | 10 |
| 1960s | -1.68 % change on previous year | -26.48 % change on previous year | 32.31 % change on previous year | 10 |
| 1970s | 4.4 % change on previous year | -23.41 % change on previous year | 28.48 % change on previous year | 10 |
| 1980s | 0.8635 % change on previous year | -18.76 % change on previous year | 23.89 % change on previous year | 10 |
| 1990s | -2.29 % change on previous year | -17.36 % change on previous year | 30.32 % change on previous year | 10 |
| 2000s | 3.51 % change on previous year | -33.97 % change on previous year | 55.91 % change on previous year | 10 |
| 2010s | 2.99 % change on previous year | -12.01 % change on previous year | 19.36 % change on previous year | 10 |
| 2020s | -2.22 % change on previous year | -31.66 % change on previous year | 15.74 % change on previous year | 6 |
Countries ranked near Tanzania
- 164 Tajikistan -27.03 % change on previous year compare
- 165 Syria -27.84 % change on previous year compare
- 166 Denmark -28.3 % change on previous year compare
- 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
More reference data data for Tanzania
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.6405 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 11.44 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 14.14 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.7582 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 14.14 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 2.15 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 1.26 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 59.37 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 72.45 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 4.13 (2050)
Frequently asked questions
- What is annual precipitation, annual growth rate in Tanzania?
- Annual precipitation, annual growth rate in Tanzania was -28.3 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest annual precipitation, annual growth rate recorded in Tanzania?
- The highest recorded value was 55.91 % change on previous year in 2006.
- What is the lowest annual precipitation, annual growth rate recorded in Tanzania?
- The lowest recorded value was -41 % change on previous year in 1954.
- How does Tanzania rank for annual precipitation, annual growth rate?
- Tanzania ranks 167th out of 192 countries with data for 2025.
- Is annual precipitation, annual growth rate rising or falling in Tanzania?
- Over the last ten years it is down 11,973.6%. The long-run trend across the full record is volatile.
- Where does this Tanzania 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.