Lake water quality turbidity in Sierra Leone

Sierra Leone: Lake water quality turbidity was 27.9% in 2021. β–² Rising

Latest (2021)
27.9%
Change on year
up 21.8%
World rank
21st
of 132 countries
All-time high
27.9%
in 2021
All-time low
9.3%
in 2017
Years of data
5
2017–2021

Lake water quality turbidity in Sierra Leone, 2017–2021

10152025302017201920212017: 9.3 %2018: 16.3 %2019: 18.5 %2020: 22.9 %2021: 27.9 %

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

Analysis

Sierra Leone recorded 27.9% for lake water quality turbidity in 2021. That is the highest value across all 5 years on record.

The figure is up 21.8% on the previous year and up 199.1% over five years.

Sierra Leone ranks 21st of 132 countries on this measure, in the top quarter.

Averages by decade

DecadeAverage LowestHighest Years
2010s 14.7% 9.3% 18.5% 3
2020s 25.4% 22.9% 27.9% 2

Countries ranked near Sierra Leone

  1. 18 Guinea 29.1% compare
  2. 19 Tunisia 28.5% compare
  3. 20 Venezuela (Bolivarian Republic of) 27.9% compare
  4. 22 Peru 27.9% compare
  5. 23 Latvia 27.6% compare
  6. 24 Ireland 27.1% compare

See the full ranking of 170 places β†’

More environment data for Sierra Leone

All data for Sierra Leone β†’

Frequently asked questions

What is lake water quality turbidity in Sierra Leone?
Lake water quality turbidity in Sierra Leone was 27.9% in 2021, according to United Nations Statistics Division, SDG Global Database.
What is the highest lake water quality turbidity recorded in Sierra Leone?
The highest recorded value was 27.9% in 2021.
What is the lowest lake water quality turbidity recorded in Sierra Leone?
The lowest recorded value was 9.3% in 2017.
How does Sierra Leone rank for lake water quality turbidity?
Sierra Leone ranks 21st out of 132 countries with data for 2021.
Where does this Sierra Leone data come from?
The figures come from United Nations Statistics Division, SDG Global Database, published as part of Lake water quality turbidity (%). 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 turbidity in Sierra Leone. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 16 August 2026, from https://environment.statizoid.com/stat/lake-water-quality-turbidity-percent/sierra-leone/

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<a href="https://environment.statizoid.com/stat/lake-water-quality-turbidity-percent/sierra-leone/">Lake water quality turbidity in Sierra Leone</a> β€” Statizoid

About this data

Indicator
Lake water quality turbidity (%)
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