Change in maximum river flow in Western Sahara

Western Sahara: Change in maximum river flow was -89.8% in 2024. ◆ Volatile

Latest (2024)
-89.8%
Change on year
down 27.9%
World rank
226th
of 226 countries
All-time high
172.8%
in 2019
All-time low
-90.1%
in 2012
Years of data
20
2005–2024

Change in maximum river flow in Western Sahara, 2005–2024

-10001002002005201420242005: -40.2 %2006: -46 %2007: -36.4 %2008: -40 %2009: -73.1 %2010: -85 %2011: -82.5 %2012: -90.1 %2013: -53.7 %2014: -51.8 %2015: -39.1 %2016: 93.4 %2017: 171.9 %2018: 152.7 %2019: 172.8 %2020: 164.4 %2021: 27.9 %2022: -52.9 %2023: -70.2 %2024: -89.8 %

Source: United Nations Statistics Division, SDG Global Database. Measured in %.

Analysis

In 2024, change in maximum river flow in Western Sahara stood at -89.8%.

That represents a change of down 27.9% on the previous year and down 73.5% over ten years.

Over the whole period, change in maximum river flow in Western Sahara peaked at 172.8% in 2019 and was at its lowest, -90.1%, in 2012.

Western Sahara ranks 226th of 226 countries on this measure, in the bottom quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Change in maximum river flow in Western Sahara, year by year

Annual values for Change in maximum river flow (%) in Western Sahara, 2005 to 2024.
Year % Change
2005 -40.2% —
2006 -46.0% +14.3%
2007 -36.4% -20.9%
2008 -40.0% +9.9%
2009 -73.1% +82.9%
2010 -85.0% +16.3%
2011 -82.5% -2.9%
2012 -90.1% +9.1%
2013 -53.7% -40.3%
2014 -51.8% -3.7%
2015 -39.1% -24.4%
2016 93.4% -338.7%
2017 171.9% +84.2%
2018 152.7% -11.2%
2019 172.8% +13.2%
2020 164.4% -4.9%
2021 27.9% -83.0%
2022 -52.9% -289.8%
2023 -70.2% +32.7%
2024 -89.8% +27.9%

Biggest year-on-year movements

Years where Change in maximum river flow in Western Sahara 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.

YearChange FromTo
2016 +338.7% -39.1% 93.4%
2022 -289.8% 27.9% -52.9%

Averages by decade

DecadeAverage LowestHighest Years
2000s -47.1% -73.1% -36.4% 5
2010s 18.9% -90.1% 172.8% 10
2020s -4.1% -89.8% 164.4% 5

Countries ranked near Western Sahara

  1. 223 Tunisia -73.1% compare
  2. 224 Morocco -79.9% compare
  3. 225 Turks and Caicos Islands -79.9% compare

See the full ranking of 262 places →

More development goals data for Western Sahara

All data for Western Sahara →

Frequently asked questions

What is change in maximum river flow in Western Sahara?
Change in maximum river flow in Western Sahara was -89.8% in 2024, according to United Nations Statistics Division, SDG Global Database.
What is the highest change in maximum river flow recorded in Western Sahara?
The highest recorded value was 172.8% in 2019.
What is the lowest change in maximum river flow recorded in Western Sahara?
The lowest recorded value was -90.1% in 2012.
How does Western Sahara rank for change in maximum river flow?
Western Sahara ranks 226th out of 226 countries with data for 2024.
Is change in maximum river flow rising or falling in Western Sahara?
Over the last ten years it is down 73.5%. The long-run trend across the full record is volatile.
Where does this Western Sahara data come from?
The figures come from United Nations Statistics Division, SDG Global Database, published as part of Change in maximum river flow (%). Statizoid updates them automatically from the source API.

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Change in maximum river flow in Western Sahara. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 30 September 2026, from https://development-goals.statizoid.com/stat/change-in-maximum-river-flow-percent/western-sahara/

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About this data

Indicator
Change in maximum river flow (%)
Unit
%
Source
United Nations Statistics Division, SDG Global Database
Licence
UN SDG Global Database (open, attribution requested)
Coverage
262 places, 5,240 data points, 2005–2024
Last refreshed