Lake water quality trophic state in Rwanda
Rwanda: Lake water quality trophic state was 2.8% in 2021. ▼ Falling
Latest (2021)
2.8%
Change on year
down 1.2%
World rank
21st
of 144 countries
All-time high
5.3%
in 2017
All-time low
2.7%
in 2019
Years of data
5
2017–2021
Lake water quality trophic state in Rwanda, 2017–2021
Source: United Nations Statistics Division, SDG Global Database. Measured in %.
Analysis
Rwanda recorded 2.8% for lake water quality trophic state in 2021.
Compared with earlier readings it is down 1.2% on the previous year and down 46.8% over five years.
Rwanda ranks 21st of 144 countries on this measure, in the top quarter.
Lake water quality trophic state in Rwanda, year by year
| Year | % | Change |
|---|---|---|
| 2017 | 5.3% | — |
| 2018 | 3.5% | -34.5% |
| 2019 | 2.7% | -23.4% |
| 2020 | 2.9% | +7.3% |
| 2021 | 2.8% | -1.2% |
Rwanda compared with similar countries
- Rwanda's 2.8% is above the median for low income countries, which is 1.0%, 2.7× the median. (18 countries reporting)
- Rwanda's 2.8% is above the median for Sub-Saharan Africa, which is 1.2%, 2.3× the median. (35 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 3.8% | 2.7% | 5.3% | 3 |
| 2020s | 2.9% | 2.8% | 2.9% | 2 |
Countries ranked near Rwanda
More environment data for Rwanda
- Historical exposure to drought — Land soil moisture anomaly -5.64 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -5.05 Percentage change (2025)
- Standard Deviation, annual growth rate -31.63 % change on previous year (2013)
- Standard Deviation 0.268 °C (2013)
- Temperature change 1.35 °C (2013)
- Wood-based panels — Production, annual growth rate -100 % change on previous year (1990)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 0.0359 % 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 -1.42 % change on previous year (2024)
Frequently asked questions
- What is lake water quality trophic state in Rwanda?
- Lake water quality trophic state in Rwanda was 2.8% in 2021, according to United Nations Statistics Division, SDG Global Database.
- What is the highest lake water quality trophic state recorded in Rwanda?
- The highest recorded value was 5.3% in 2017.
- What is the lowest lake water quality trophic state recorded in Rwanda?
- The lowest recorded value was 2.7% in 2019.
- How does Rwanda rank for lake water quality trophic state?
- Rwanda ranks 21st out of 144 countries with data for 2021.
- Where does this Rwanda 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).