Europe and Northern America vs Guinea: Lake water quality trophic state

Europe and Northern America
2.5%
in 2021
Guinea
9.1%
in 2021
Europe and Northern America rank
10th
Guinea rank
5th

Lake water quality trophic state over time

  • Europe and Northern America
  • Guinea
246810201720192021

How they compare

Guinea currently reports 9.1% against 2.5% in Europe and Northern America, a difference of 6.6%.

That makes Guinea's figure about 3.6 times Europe and Northern America's.

Across all 5 years both countries report, Guinea has been ahead every year.

Europe and Northern America ranks 10th and Guinea ranks 5th of 36 groups.

Guinea has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade Europe and Northern America Guinea Difference Ahead
2010s 3.0% 7.2% 4.2% Guinea
2020s 2.1% 8.7% 6.6% Guinea

Averages of every year both report within each decade.

Frequently asked questions

Which has higher lake water quality trophic state, Europe and Northern America or Guinea?
Guinea, at 9.1% against 2.5% in Europe and Northern America as of 2021.
What is the difference in lake water quality trophic state between Europe and Northern America and Guinea?
6.6%, with Guinea ahead.
How many years of comparable data are there for Europe and Northern America and Guinea?
5 years are reported by both, from 2017 to 2021.
How do Europe and Northern America and Guinea rank globally for lake water quality trophic state?
Europe and Northern America ranks 10th and Guinea ranks 5th of 36 groups.
Where does this data come from?
United Nations Statistics Division, SDG Global Database, published as Lake water quality trophic state (%). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Europe and Northern America vs Guinea: Lake water quality trophic state. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 09 September 2026, from https://environment.statizoid.com/compare/lake-water-quality-trophic-state-percent/europe-and-northern-america/guinea/

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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
179 places, 895 data points, 2017–2021
Last refreshed