Lake water quality trophic state in Northern Africa and Western Asia
Northern Africa and Western Asia: Lake water quality trophic state was 0.6% in 2021. ▼ Falling
Latest (2021)
0.6%
Change on year
up 19.8%
Rank
33rd
of 36 groups
All-time high
0.8%
in 2018
All-time low
0.5%
in 2019
Years of data
5
2017–2021
Lake water quality trophic state in Northern Africa and Western Asia, 2017–2021
Source: United Nations Statistics Division, SDG Global Database. Measured in %.
Analysis
The most recent figure for lake water quality trophic state in Northern Africa and Western Asia is 0.6%, measured in 2021.
Compared with earlier readings it is up 19.8% on the previous year and down 14.8% over five years.
That places Northern Africa and Western Asia 33rd out of 36 groups with data for 2021, putting it in the bottom quarter.
Lake water quality trophic state in Northern Africa and Western Asia, year by year
| Year | % | Change |
|---|---|---|
| 2017 | 0.7% | — |
| 2018 | 0.8% | +7.4% |
| 2019 | 0.5% | -39.3% |
| 2020 | 0.5% | +9.1% |
| 2021 | 0.6% | +19.8% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 0.6% | 0.5% | 0.8% | 3 |
| 2020s | 0.6% | 0.5% | 0.6% | 2 |
Countries ranked near Northern Africa and Western Asia
- 30 El Salvador 2.2% compare
- 31 Sweden 2.1% compare
- 32 Burkina Faso 2.1% compare
- 33 Russian Federation 2.1% compare
- 33 Russian Federation 2.1% compare
- 35 Côte d'Ivoire 2.0% compare
- 35 Côte d'Ivoire 2.0% compare
More environment data for Northern Africa and Western Asia
- Average proportion of Marine Key Biodiversity Areas (KBAs) covered by 31.4% (2025)
- Average proportion of Terrestrial Key Biodiversity Areas (KBAs) 29.3% (2025)
- Average proportion of Mountain Key Biodiversity Areas (KBAs) covered 27.2% (2025)
- Average proportion of Freshwater Key Biodiversity Areas (KBAs) 24.2% (2025)
- Proportion of population using safely managed sanitation services, by 60.7% (2024)
- Proportion of population using safely managed drinking water 76.2% (2024)
- Proportion of population using basic drinking water services, by 92.2% (2024)
- Proportion of population using basic sanitation services, by location 91.0% (2024)
- Level of water stress: freshwater withdrawal as a proportion of 77.7% (2023)
- Water Use Efficiency 13.29 USD/m3 (2023)
Frequently asked questions
- What is lake water quality trophic state in Northern Africa and Western Asia?
- Lake water quality trophic state in Northern Africa and Western Asia was 0.6% in 2021, according to United Nations Statistics Division, SDG Global Database.
- What is the highest lake water quality trophic state recorded in Northern Africa and Western Asia?
- The highest recorded value was 0.8% in 2018.
- What is the lowest lake water quality trophic state recorded in Northern Africa and Western Asia?
- The lowest recorded value was 0.5% in 2019.
- How does Northern Africa and Western Asia rank for lake water quality trophic state?
- Northern Africa and Western Asia ranks 33rd out of 36 groups with data for 2021.
- Where does this Northern Africa and Western Asia 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.
Download this data
CSV · JSON — 5 observations, free to reuse under UN SDG Global Database (open, attribution requested).