Iran, Islamic Republic of vs South Sudan: Historical exposure to drought — Cropland soil moisture anomaly
Historical exposure to drought — Cropland soil moisture anomaly over time
- Iran, Islamic Republic of
- South Sudan
How they compare
South Sudan currently reports -17.71 Percentage change against -21.27 Percentage change in Iran, Islamic Republic of, a difference of 3.56 Percentage change.
The two have swapped places 18 times across 76 shared years of data; in 1950 it was South Sudan ahead.
Iran, Islamic Republic of ranks 158th and South Sudan ranks 155th of 168 countries.
Across the 8 decades both report, Iran, Islamic Republic of averaged higher in 3 and South Sudan in 5.
Head to head by decade
| Decade | Iran, Islamic Republic of | South Sudan | Difference | Ahead |
|---|---|---|---|---|
| 1950s | -0.3555 Percentage change | 14.99 Percentage change | 15.35 Percentage change | South Sudan |
| 1960s | -5.04 Percentage change | -2.15 Percentage change | 2.89 Percentage change | South Sudan |
| 1970s | 0.7129 Percentage change | 8.54 Percentage change | 7.82 Percentage change | South Sudan |
| 1980s | 2.84 Percentage change | 3.51 Percentage change | 0.6673 Percentage change | South Sudan |
| 1990s | -0.4899 Percentage change | 2.63 Percentage change | 3.12 Percentage change | South Sudan |
| 2000s | -1.53 Percentage change | -4.63 Percentage change | 3.1 Percentage change | Iran, Islamic Republic of |
| 2010s | -0.0404 Percentage change | -6.56 Percentage change | 6.52 Percentage change | Iran, Islamic Republic of |
| 2020s | -8.09 Percentage change | -14.54 Percentage change | 6.45 Percentage change | Iran, Islamic Republic of |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher historical exposure to drought — cropland soil moisture anomaly, Iran, Islamic Republic of or South Sudan?
- South Sudan, at -17.71 Percentage change against -21.27 Percentage change in Iran, Islamic Republic of as of 2025.
- What is the difference in historical exposure to drought — cropland soil moisture anomaly between Iran, Islamic Republic of and South Sudan?
- 3.56 Percentage change, with South Sudan ahead.
- How many years of comparable data are there for Iran, Islamic Republic of and South Sudan?
- 76 years are reported by both, from 1950 to 2025.
- How do Iran, Islamic Republic of and South Sudan rank globally for historical exposure to drought — cropland soil moisture anomaly?
- Iran, Islamic Republic of ranks 158th and South Sudan ranks 155th of 168 countries.
- Where does this data come from?
- Organisation for Economic Co-operation and Development, published as Historical exposure to drought — Cropland soil moisture anomaly. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
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