Lake water quality trophic state in Algeria
Algeria: Lake water quality trophic state was 0.4% in 2021. ▼ Falling
Latest (2021)
0.4%
Change on year
down 29.1%
World rank
86th
of 144 countries
All-time high
0.5%
in 2020
All-time low
0.4%
in 2021
Years of data
5
2017–2021
Lake water quality trophic state in Algeria, 2017–2021
Source: United Nations Statistics Division, SDG Global Database.
Analysis
In 2021, lake water quality trophic state in Algeria stood at 0.4%. That is the lowest value across all 5 years on record.
The figure is down 29.1% on the previous year and down 15.8% over five years.
That places Algeria 86th out of 144 countries with data for 2021, putting it in the middle of the range.
Lake water quality trophic state in Algeria, year by year
| Year | Value | Change |
|---|---|---|
| 2017 | 0.4% | — |
| 2018 | 0.5% | +13.7% |
| 2019 | 0.4% | -20.8% |
| 2020 | 0.5% | +31.8% |
| 2021 | 0.4% | -29.1% |
Algeria compared with similar countries
- Algeria's 0.4% is below the median for upper middle income countries, which is 0.4%, 87% of the median. (39 countries reporting)
- Algeria's 0.4% is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is 0.1%, 3.8× the median. (12 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 0.4% | 0.4% | 0.5% | 3 |
| 2020s | 0.4% | 0.4% | 0.5% | 2 |
Countries ranked near Algeria
More environment data for Algeria
- Historical exposure to drought — Land soil moisture anomaly -26.91 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -13.76 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.401 °C (2025)
- Temperature change 2.01 °C (2025)
- Wood-based panels — Production, annual growth rate 0 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual -2.41 % 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 1.21 % change on previous year (2024)
Frequently asked questions
- What is lake water quality trophic state in Algeria?
- Lake water quality trophic state in Algeria was 0.4% in 2021, according to United Nations Statistics Division, SDG Global Database.
- What is the highest lake water quality trophic state recorded in Algeria?
- The highest recorded value was 0.5% in 2020.
- What is the lowest lake water quality trophic state recorded in Algeria?
- The lowest recorded value was 0.4% in 2021.
- How does Algeria rank for lake water quality trophic state?
- Algeria ranks 86th out of 144 countries with data for 2021.
- Where does this Algeria 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).