Japan vs Western Sahara: Exposure to extreme precipitation — Annual precipitation change

Japan
8.24 Millimetres per year
in 2023
Western Sahara
9.13 Millimetres per year
in 2023
Japan rank
102nd
Western Sahara rank
100th

Exposure to extreme precipitation — Annual precipitation change over time

  • Japan
  • Western Sahara
-400-2000200400197920012023

How they compare

Western Sahara currently reports 9.13 Millimetres per year against 8.24 Millimetres per year in Japan, a difference of 0.89 Millimetres per year.

That makes Western Sahara's figure about 1.1 times Japan's.

The two have swapped places 15 times across 45 shared years of data; in 1979 it was Japan ahead.

Japan ranks 102nd and Western Sahara ranks 100th of 222 countries.

Across the 6 decades both report, Japan averaged higher in 5 and Western Sahara in 1.

Head to head by decade

Decade Japan Western Sahara Difference Ahead
1970s 289.72 Millimetres per year 22.11 Millimetres per year 267.61 Millimetres per year Japan
1980s -0.3405 Millimetres per year -2.33 Millimetres per year 1.99 Millimetres per year Japan
1990s 31.06 Millimetres per year 2.97 Millimetres per year 28.09 Millimetres per year Japan
2000s -23.03 Millimetres per year -2.05 Millimetres per year 20.98 Millimetres per year Western Sahara
2010s 124.37 Millimetres per year 12.18 Millimetres per year 112.19 Millimetres per year Japan
2020s 113.51 Millimetres per year -7.15 Millimetres per year 120.65 Millimetres per year Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher exposure to extreme precipitation — annual precipitation change, Japan or Western Sahara?
Western Sahara, at 9.13 Millimetres per year against 8.24 Millimetres per year in Japan as of 2023.
What is the difference in exposure to extreme precipitation — annual precipitation change between Japan and Western Sahara?
0.89 Millimetres per year, with Western Sahara ahead.
How many years of comparable data are there for Japan and Western Sahara?
45 years are reported by both, from 1979 to 2023.
How do Japan and Western Sahara rank globally for exposure to extreme precipitation — annual precipitation change?
Japan ranks 102nd and Western Sahara ranks 100th of 222 countries.
Where does this data come from?
Organisation for Economic Co-operation and Development, published as Exposure to extreme precipitation — Annual precipitation change. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs Western Sahara: Exposure to extreme precipitation — Annual precipitation change. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 27 August 2026, from https://reference.statizoid.com/compare/exposure-to-extreme-precipitation-annual-precipitation-change/japan/western-sahara/

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About this data

Indicator
Exposure to extreme precipitation — Annual precipitation change
Unit
Millimetres per year
Source
Organisation for Economic Co-operation and Development
Licence
OECD Terms and Conditions (attribution required)
Coverage
979 places, 44,055 data points, 1979–2023
Last refreshed

The dataset provides a global assessment of changes in average precipitation by providing the precipitation anomaly and provides a global assessment of extreme precipitation through the use of two precipitation indices, i.e. very heavy precipitation days and frequency of extreme precipitation events. Exposure indicators to extreme precipitation have been prepared jointly by the Organisation for Economic Co-operation and Development (OECD) and the International Energy Agency (IEA). Please see the working paper for a more complete description of the methods. The datasets span the period 1979-2022, depending on data availability and are the result of the use of a variety of geospatial data sources as referenced in the Working Paper. 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 Data Store precipitation data (ERA5) and Copernicus Climate Change Initiative land cover data. Contact: ENV.Stat@oecd.org Database documentation