Lake water quality trophic state in Algeria

Algeria: Lake water quality trophic state was 0.4% in 2021. β–Ό Falling

Latest (2021)
0.4%
Change on year
down 29.1%
World rank
77th
of 132 countries
All-time high
0.5%
in 2020
All-time low
0.4%
in 2021
Years of data
5
2017–2021

Lake water quality trophic state in Algeria, 2017–2021

00.20.40.62017201920212017: 0.425 %2018: 0.483 %2019: 0.383 %2020: 0.504 %2021: 0.358 %

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

Analysis

In 2021, lake water quality trophic state in Algeria stood at 0.4%. That is the lowest value across all 5 years on record.

The figure is down 29.1% on the previous year and down 15.8% over five years.

That places Algeria 77th out of 132 countries with data for 2021, putting it in the middle of the range.

Averages by decade

DecadeAverage LowestHighest Years
2010s 0.4% 0.4% 0.5% 3
2020s 0.4% 0.4% 0.5% 2

Countries ranked near Algeria

  1. 74 Bangladesh 0.4% compare
  2. 75 Denmark 0.4% compare
  3. 76 Malaysia 0.4% compare
  4. 78 Eswatini 0.3% compare
  5. 79 Suriname 0.3% compare
  6. 80 Latvia 0.3% compare

See the full ranking of 170 places β†’

More environment data for Algeria

All data for Algeria β†’

Frequently asked questions

What is lake water quality trophic state in Algeria?
Lake water quality trophic state in Algeria was 0.4% in 2021, according to United Nations Statistics Division, SDG Global Database.
What is the highest lake water quality trophic state recorded in Algeria?
The highest recorded value was 0.5% in 2020.
What is the lowest lake water quality trophic state recorded in Algeria?
The lowest recorded value was 0.4% in 2021.
How does Algeria rank for lake water quality trophic state?
Algeria ranks 77th out of 132 countries with data for 2021.
Where does this Algeria data come from?
The figures come from United Nations Statistics Division, SDG Global Database, published as part of Lake water quality trophic state (%). Statizoid updates them automatically from the source API.

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CSV Β· JSON β€” 5 observations, free to reuse under UN SDG Global Database (open, attribution requested).

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Lake water quality trophic state in Algeria. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 16 August 2026, from https://environment.statizoid.com/stat/lake-water-quality-trophic-state-percent/algeria/

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About this data

Indicator
Lake water quality trophic state (%)
Unit
%
Source
United Nations Statistics Division, SDG Global Database
Licence
UN SDG Global Database (open, attribution requested)
Coverage
170 places, 850 data points, 2017–2021
Last refreshed