Lake water quality trophic state in Botswana
Botswana: Lake water quality trophic state was 9.6% in 2021. ▼ Falling
Latest (2021)
9.6%
Change on year
up 32.9%
World rank
4th
of 144 countries
All-time high
16.8%
in 2017
All-time low
7.2%
in 2020
Years of data
5
2017–2021
Lake water quality trophic state in Botswana, 2017–2021
Source: United Nations Statistics Division, SDG Global Database. Measured in %.
Analysis
Botswana recorded 9.6% for lake water quality trophic state in 2021.
Compared with earlier readings it is up 32.9% on the previous year and down 43.2% over five years.
That places Botswana 4th out of 144 countries with data for 2021, putting it in the top 10%.
Lake water quality trophic state in Botswana, year by year
| Year | % | Change |
|---|---|---|
| 2017 | 16.8% | — |
| 2018 | 13.2% | -21.7% |
| 2019 | 8.8% | -33.3% |
| 2020 | 7.2% | -18.1% |
| 2021 | 9.6% | +32.9% |
Botswana compared with similar countries
- Botswana's 9.6% is above the median for upper middle income countries, which is 0.4%, 23.2× the median. (39 countries reporting)
- Botswana's 9.6% is above the median for Sub-Saharan Africa, which is 1.2%, 7.8× the median. (35 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 12.9% | 8.8% | 16.8% | 3 |
| 2020s | 8.4% | 7.2% | 9.6% | 2 |
Countries ranked near Botswana
More environment data for Botswana
- Historical exposure to drought — Land soil moisture anomaly 6.04 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly 6.49 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.381 °C (2025)
- Temperature change 0.443 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual -4.05 % 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 0.3323 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
Frequently asked questions
- What is lake water quality trophic state in Botswana?
- Lake water quality trophic state in Botswana was 9.6% in 2021, according to United Nations Statistics Division, SDG Global Database.
- What is the highest lake water quality trophic state recorded in Botswana?
- The highest recorded value was 16.8% in 2017.
- What is the lowest lake water quality trophic state recorded in Botswana?
- The lowest recorded value was 7.2% in 2020.
- How does Botswana rank for lake water quality trophic state?
- Botswana ranks 4th out of 144 countries with data for 2021.
- Where does this Botswana 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).