Lake water quality trophic state in Africa

Africa: Lake water quality trophic state was 2.8% in 2021. β–¬ Flat

Latest (2021)
2.8%
Change on year
up 18.3%
Rank
8th
of 38 groups
All-time high
2.8%
in 2021
All-time low
2.3%
in 2020
Years of data
5
2017–2021

Lake water quality trophic state in Africa, 2017–2021

01232017201920212017: 2.7 %2018: 2.6 %2019: 2.6 %2020: 2.3 %2021: 2.8 %

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

Analysis

The most recent figure for lake water quality trophic state in Africa is 2.8%, measured in 2021. That is the highest value across all 5 years on record.

That represents a change of up 18.3% on the previous year and up 0.6% over five years.

Africa ranks 8th of 38 groups on this measure, in the top quarter.

Averages by decade

DecadeAverage LowestHighest Years
2010s 2.6% 2.6% 2.7% 3
2020s 2.5% 2.3% 2.8% 2

Countries ranked near Africa

  1. 5 Guinea 9.1% compare
  2. 6 Togo 7.8% compare
  3. 7 South Sudan, Republic of 7.1% compare
  4. 8 Kyrgyz Republic 7.0% compare
  5. 9 Chile 6.0% compare
  6. 10 Peru 5.8% compare
  7. 11 Mozambique, Republic of 4.8% compare

See the full ranking of 170 places β†’

More environment data for Africa

All data for Africa β†’

Frequently asked questions

What is lake water quality trophic state in Africa?
Lake water quality trophic state in Africa was 2.8% in 2021, according to United Nations Statistics Division, SDG Global Database.
What is the highest lake water quality trophic state recorded in Africa?
The highest recorded value was 2.8% in 2021.
What is the lowest lake water quality trophic state recorded in Africa?
The lowest recorded value was 2.3% in 2020.
How does Africa rank for lake water quality trophic state?
Africa ranks 8th out of 38 groups with data for 2021.
Where does this Africa 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 Africa. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 18 August 2026, from https://environment.statizoid.com/stat/lake-water-quality-trophic-state-percent/africa/

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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