Historical exposure to drought — Land soil moisture anomaly in South Australia - Outback

South Australia - Outback: Historical exposure to drought — Land soil moisture anomaly was -12.3 Percentage change in 2025. ◆ Volatile

Latest (2025)
-12.3 Percentage change
Change on year
down 286.9%
Rank
2970th
of 3112 regions
All-time high
55.17 Percentage change
in 1974
All-time low
-29.62 Percentage change
in 1965
Years of data
76
1950–2025

Historical exposure to drought — Land soil moisture anomaly in South Australia - Outback, 1950–2025

-200204060195019872025

Source: Organisation for Economic Co-operation and Development. Measured in Percentage change.

Analysis

The most recent figure for historical exposure to drought — land soil moisture anomaly in South Australia - Outback is -12.3 Percentage change, measured in 2025.

The figure is down 286.9% on the previous year and down 107.9% over ten years.

Over the whole period, historical exposure to drought — land soil moisture anomaly in South Australia - Outback peaked at 55.17 Percentage change in 1974 and was at its lowest, -29.62 Percentage change, in 1965.

That places South Australia - Outback 2970th out of 3112 regions 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.

Historical exposure to drought — Land soil moisture anomaly in South Australia - Outback, year by year

Annual values for Historical exposure to drought — Land soil moisture anomaly in South Australia - Outback, 1950 to 2025.
Year Percentage change Change
1950 -5.61 Percentage change
1951 -19.86 Percentage change +254.2%
1952 -22.46 Percentage change +13.1%
1953 -9.06 Percentage change -59.6%
1954 10.88 Percentage change -220.0%
1955 29.43 Percentage change +170.6%
1956 -1.6 Percentage change -105.5%
1957 -15.05 Percentage change +837.7%
1958 -3.57 Percentage change -76.3%
1959 -19.73 Percentage change +452.9%
1960 -14.72 Percentage change -25.4%
1961 -18.4 Percentage change +25.0%
1962 -11.07 Percentage change -39.9%
1963 -1.94 Percentage change -82.5%
1964 0.3849 Percentage change -119.9%
1965 -29.62 Percentage change -7793.9%
1966 6.83 Percentage change -123.1%
1967 -25.5 Percentage change -473.3%
1968 23.47 Percentage change -192.0%
1969 -16.63 Percentage change -170.9%
1970 -25.17 Percentage change +51.4%
1971 -7.47 Percentage change -70.3%
1972 -16.36 Percentage change +118.9%
1973 21.97 Percentage change -234.3%
1974 55.17 Percentage change +151.1%
1975 13.51 Percentage change -75.5%
1976 -7.51 Percentage change -155.6%
1977 8.58 Percentage change -214.3%
1978 15.66 Percentage change +82.5%
1979 32.96 Percentage change +110.5%
1980 18.6 Percentage change -43.6%
1981 19.25 Percentage change +3.5%
1982 -20.05 Percentage change -204.2%
1983 8.82 Percentage change -144.0%
1984 2.94 Percentage change -66.7%
1985 -7.52 Percentage change -356.1%
1986 6.99 Percentage change -193.0%
1987 8.96 Percentage change +28.1%
1988 4.99 Percentage change -44.3%
1989 27.28 Percentage change +446.5%
1990 -2.07 Percentage change -107.6%
1991 -8.19 Percentage change +295.9%
1992 24.38 Percentage change -397.5%
1993 -3.23 Percentage change -113.2%
1994 -9.56 Percentage change +196.2%
1995 -1.53 Percentage change -84.0%
1996 12.23 Percentage change -901.0%
1997 0.9015 Percentage change -92.6%
1998 -2.84 Percentage change -415.4%
1999 -13.81 Percentage change +385.7%
2000 -8.27 Percentage change -40.1%
2001 -4.42 Percentage change -46.6%
2002 -20.51 Percentage change +364.1%
2003 2.42 Percentage change -111.8%
2004 20.82 Percentage change +759.8%
2005 -19.01 Percentage change -191.3%
2006 -12.07 Percentage change -36.5%
2007 -4.25 Percentage change -64.8%
2008 -14.87 Percentage change +250.2%
2009 -7.43 Percentage change -50.1%
2010 19.63 Percentage change -364.3%
2011 -9.92 Percentage change -150.6%
2012 7.97 Percentage change -180.3%
2013 11.77 Percentage change +47.7%
2014 -6.78 Percentage change -157.6%
2015 -5.91 Percentage change -12.7%
2016 14.58 Percentage change -346.6%
2017 8.1 Percentage change -44.4%
2018 -1.75 Percentage change -121.6%
2019 -21.68 Percentage change +1138.4%
2020 -3.09 Percentage change -85.7%
2021 -12.35 Percentage change +299.2%
2022 18.82 Percentage change -252.4%
2023 2.88 Percentage change -84.7%
2024 -3.18 Percentage change -210.4%
2025 -12.3 Percentage change +286.9%

Averages by decade

DecadeAverage LowestHighest Years
1950s -5.66 Percentage change -22.46 Percentage change 29.43 Percentage change 10
1960s -8.72 Percentage change -29.62 Percentage change 23.47 Percentage change 10
1970s 9.13 Percentage change -25.17 Percentage change 55.17 Percentage change 10
1980s 7.03 Percentage change -20.05 Percentage change 27.28 Percentage change 10
1990s -0.3712 Percentage change -13.81 Percentage change 24.38 Percentage change 10
2000s -6.76 Percentage change -20.51 Percentage change 20.82 Percentage change 10
2010s 1.6 Percentage change -21.68 Percentage change 19.63 Percentage change 10
2020s -1.54 Percentage change -12.35 Percentage change 18.82 Percentage change 6

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Frequently asked questions

What is historical exposure to drought — land soil moisture anomaly in South Australia - Outback?
Historical exposure to drought — land soil moisture anomaly in South Australia - Outback was -12.3 Percentage change in 2025, according to Organisation for Economic Co-operation and Development.
What is the highest historical exposure to drought — land soil moisture anomaly recorded in South Australia - Outback?
The highest recorded value was 55.17 Percentage change in 1974.
What is the lowest historical exposure to drought — land soil moisture anomaly recorded in South Australia - Outback?
The lowest recorded value was -29.62 Percentage change in 1965.
How does South Australia - Outback rank for historical exposure to drought — land soil moisture anomaly?
South Australia - Outback ranks 2970th out of 3112 regions with data for 2025.
Is historical exposure to drought — land soil moisture anomaly rising or falling in South Australia - Outback?
Over the last ten years it is down 107.9%. The long-run trend across the full record is volatile.
Where does this South Australia - Outback data come from?
The figures come from Organisation for Economic Co-operation and Development, published as part of Historical exposure to drought — Land soil moisture anomaly. Statizoid updates them automatically from the source API.

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Historical exposure to drought — Land soil moisture anomaly in South Australia - Outback. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 25 August 2026, from https://environment.statizoid.com/stat/historical-exposure-to-drought-land-soil-moisture-anomaly/south-australia-outback/

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About this data

Indicator
Historical exposure to drought — Land soil moisture anomaly
Unit
Percentage change
Source
Organisation for Economic Co-operation and Development
Licence
OECD Terms and Conditions (attribution required)
Coverage
3,375 places, 256,500 data points, 1950–2025
Last refreshed

The dataset provides annual anomalies in land and cropland soil moisture content of the top soil layer (0 to 7 cm) compared to the reference period 1981-2010. Exposure indicators to drought have been prepared by the Organisation for Economic Co-operation and Development (OECD). Please see the working paper for a more complete description of the methods. The datasets span the period 1981-2024 and is the result of the use of a variety of geospatial data sources, including the ERA5-Land averaged monthly data of volumetric soil moisture and ESA CCI land cover data. Average anomalies have been calculated for both land and cropland exposure to drought. The dataset has a global coverage on a national level; on the sub-national TL2 level (i.e. large subnational regions) results are reported for all OECD countries as well as for Argentina, Brazil, China, India, Indonesia and South Africa. A number of aggregates are included: Euro area, European Union, Advanced economies, Emerging market economies, G7, G20, OECD, OECD Europe, OECD Asia Oceania, OECD Americas and the LAC region. Data source(s): Copernicus Climate Change Initiative land cover data and Copernicus Climate Data Store monthly soil moisture data based on the ERA5-Land reanalysis dataset. Contact: ENV.Stat@oecd.org