Lake water quality trophic state in Melanesia
Melanesia: Lake water quality trophic state was 3.0% in 2021. ▲ Rising
Latest (2021)
3.0%
Change on year
up 1.8%
World rank
19th
of 144 countries
All-time high
3.3%
in 2019
All-time low
2.3%
in 2017
Years of data
5
2017–2021
Lake water quality trophic state in Melanesia, 2017–2021
Source: United Nations Statistics Division, SDG Global Database. Measured in %.
Analysis
Melanesia recorded 3.0% for lake water quality trophic state in 2021.
The figure is up 1.8% on the previous year and up 27.9% over five years.
That places Melanesia 19th out of 144 countries with data for 2021, putting it in the top quarter.
Lake water quality trophic state in Melanesia, year by year
| Year | % | Change |
|---|---|---|
| 2017 | 2.3% | — |
| 2018 | 2.8% | +20.4% |
| 2019 | 3.3% | +17.9% |
| 2020 | 2.9% | -11.5% |
| 2021 | 3.0% | +1.8% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 2.8% | 2.3% | 3.3% | 3 |
| 2020s | 2.9% | 2.9% | 3.0% | 2 |
Countries ranked near Melanesia
- 16 Venezuela (Bolivarian Republic of) 3.9% compare
- 17 Democratic Republic of the Congo 3.5% compare
- 18 Honduras 3.2% compare
- 19 Papua New Guinea 3.0% compare
- 21 Rwanda 2.8% compare
- 22 Mongolia 2.8% compare
More environment data for Melanesia
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Historical exposure to drought — Land soil moisture anomaly 1.59 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly 2.37 Percentage change (2025)
- Standard Deviation 0.179 °C (2025)
- Temperature change 0.857 °C (2025)
- Nutrient phosphate P2O5 (total) — Use per area of cropland 3.85 kg/ha (2024)
- Land area — Area 52,995 1000 ha (2024)
- Nutrient phosphate P2O5 (total) — Use per capita 0.47 kg/cap (2024)
- Nutrient phosphate P2O5 (total) — Use per value of agricultural 1.3 g/Int$ (2024)
- Nutrient potash K2O (total) — Import quantity 21,133 t (2024)
Frequently asked questions
- What is lake water quality trophic state in Melanesia?
- Lake water quality trophic state in Melanesia was 3.0% in 2021, according to United Nations Statistics Division, SDG Global Database.
- What is the highest lake water quality trophic state recorded in Melanesia?
- The highest recorded value was 3.3% in 2019.
- What is the lowest lake water quality trophic state recorded in Melanesia?
- The lowest recorded value was 2.3% in 2017.
- How does Melanesia rank for lake water quality trophic state?
- Melanesia ranks 19th out of 144 countries with data for 2021.
- Where does this Melanesia 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).