Lake water quality turbidity in Sierra Leone
Sierra Leone: Lake water quality turbidity was 27.9% in 2021. ▲ Rising
Latest (2021)
27.9%
Change on year
up 21.8%
World rank
22nd
of 144 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
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 22nd of 144 countries on this measure, in the top quarter.
Lake water quality turbidity in Sierra Leone, year by year
| Year | % | Change |
|---|---|---|
| 2017 | 9.3% | — |
| 2018 | 16.3% | +74.5% |
| 2019 | 18.5% | +13.9% |
| 2020 | 22.9% | +23.6% |
| 2021 | 27.9% | +21.8% |
Sierra Leone compared with similar countries
- Sierra Leone's 27.9% is above the median for low income countries, which is 12.5%, 2.2× the median. (18 countries reporting)
- Sierra Leone's 27.9% is above the median for Sub-Saharan Africa, which is 14.6%, 1.9× the median. (35 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 14.7% | 9.3% | 18.5% | 3 |
| 2020s | 25.4% | 22.9% | 27.9% | 2 |
Countries ranked near Sierra Leone
More environment data for Sierra Leone
- Historical exposure to drought — Land soil moisture anomaly -5.4 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -5.39 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.232 °C (2025)
- Temperature change 1.28 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 1.72 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), annual growth rate 1.11 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
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 22nd out of 144 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.
Download this data
CSV · JSON — 5 observations, free to reuse under UN SDG Global Database (open, attribution requested).