Lake water quality trophic state in World

World: Lake water quality trophic state was 2.1% in 2021. β–Ό Falling

Latest (2021)
2.1%
Change on year
up 21.5%
Rank
15th
of 38 groups
All-time high
2.7%
in 2017
All-time low
1.8%
in 2020
Years of data
5
2017–2021

Lake water quality trophic state in World, 2017–2021

01232017201920212017: 2.7 %2018: 2.6 %2019: 1.9 %2020: 1.8 %2021: 2.1 %

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

Analysis

World recorded 2.1% for lake water quality trophic state in 2021.

The figure is up 21.5% on the previous year and down 19.8% over five years.

World ranks 15th of 38 groups on this measure, in the middle of the range.

Averages by decade

DecadeAverage LowestHighest Years
2010s 2.4% 1.9% 2.7% 3
2020s 1.9% 1.8% 2.1% 2

Countries ranked near World

  1. 12 Canada 4.3% compare
  2. 13 United Kingdom of Great Britain and Northern Ireland 4.0% compare
  3. 14 Panama 4.0% compare
  4. 15 Venezuela (Bolivarian Republic of) 3.9% compare
  5. 16 Democratic Republic of the Congo 3.5% compare
  6. 17 Honduras 3.2% compare
  7. 18 Melanesia 3.0% compare
  8. 18 Papua New Guinea 3.0% compare

See the full ranking of 170 places β†’

More environment data for World

All data for World β†’

Frequently asked questions

What is lake water quality trophic state in World?
Lake water quality trophic state in World was 2.1% in 2021, according to United Nations Statistics Division, SDG Global Database.
What is the highest lake water quality trophic state recorded in World?
The highest recorded value was 2.7% in 2017.
What is the lowest lake water quality trophic state recorded in World?
The lowest recorded value was 1.8% in 2020.
How does World rank for lake water quality trophic state?
World ranks 15th out of 38 groups with data for 2021.
Where does this World 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 World. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 15 August 2026, from https://environment.statizoid.com/stat/lake-water-quality-trophic-state-percent/world/

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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