Lake water quality trophic state in Northern America
Northern America: Lake water quality trophic state was 3.4% in 2021. ▼ Falling
Latest (2021)
3.4%
Change on year
up 49.8%
Rank
3rd
of 30 groups
All-time high
5.6%
in 2018
All-time low
2.3%
in 2020
Years of data
5
2017–2021
Lake water quality trophic state in Northern America, 2017–2021
Source: United Nations Statistics Division, SDG Global Database.
Analysis
The most recent figure for lake water quality trophic state in Northern America is 3.4%, measured in 2021.
Compared with earlier readings it is up 49.8% on the previous year and down 27.1% over five years.
That places Northern America 3rd out of 30 groups with data for 2021, putting it in the top 10%.
Lake water quality trophic state in Northern America, year by year
| Year | Value | Change |
|---|---|---|
| 2017 | 4.7% | — |
| 2018 | 5.6% | +18.4% |
| 2019 | 3.0% | -46.5% |
| 2020 | 2.3% | -23.2% |
| 2021 | 3.4% | +49.8% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 4.4% | 3.0% | 5.6% | 3 |
| 2020s | 2.9% | 2.3% | 3.4% | 2 |
Countries ranked near Northern America
More environment data for Northern America
- Historical exposure to drought — Cropland soil moisture anomaly -3.25 Percentage change (2025)
- Historical exposure to drought — Land soil moisture anomaly -2.23 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.466 °C (2025)
- Temperature change 2.49 °C (2025)
- Recovered paper — Production 43.74 million t (2024)
- Total fibre furnish — Production 92.54 million t (2024)
- Nutrient nitrogen N (total) — Agricultural Use 14.64 million t (2024)
- Nutrient nitrogen N (total) — Use per capita 37.99 kg/cap (2024)
- Nutrient nitrogen N (total) — Use per area of cropland 75.85 kg/ha (2024)
Frequently asked questions
- What is lake water quality trophic state in Northern America?
- Lake water quality trophic state in Northern America was 3.4% in 2021, according to United Nations Statistics Division, SDG Global Database.
- What is the highest lake water quality trophic state recorded in Northern America?
- The highest recorded value was 5.6% in 2018.
- What is the lowest lake water quality trophic state recorded in Northern America?
- The lowest recorded value was 2.3% in 2020.
- How does Northern America rank for lake water quality trophic state?
- Northern America ranks 3rd out of 30 groups with data for 2021.
- Where does this Northern America 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).