Lake water quality trophic state in Australia and New Zealand
Australia and New Zealand: Lake water quality trophic state was 0.8% in 2021. ▼ Falling
Latest (2021)
0.8%
Change on year
up 12.3%
World rank
54th
of 121 countries
All-time high
1.4%
in 2017
All-time low
0.5%
in 2019
Years of data
5
2017–2021
Lake water quality trophic state in Australia and New Zealand, 2017–2021
Source: United Nations Statistics Division, SDG Global Database.
Analysis
Australia and New Zealand recorded 0.8% for lake water quality trophic state in 2021.
Compared with earlier readings it is up 12.3% on the previous year and down 42.6% over five years.
Australia and New Zealand ranks 54th of 121 countries on this measure, in the middle of the range.
Lake water quality trophic state in Australia and New Zealand, year by year
| Year | Value | Change |
|---|---|---|
| 2017 | 1.4% | — |
| 2018 | 1.0% | -29.1% |
| 2019 | 0.5% | -51.1% |
| 2020 | 0.7% | +47.4% |
| 2021 | 0.8% | +12.3% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 0.9% | 0.5% | 1.4% | 3 |
| 2020s | 0.7% | 0.7% | 0.8% | 2 |
Countries ranked near Australia and New Zealand
More environment data for Australia and New Zealand
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -5.87 Percentage change (2025)
- Historical exposure to drought — Land soil moisture anomaly -4.39 Percentage change (2025)
- Temperature change 1.39 °C (2025)
- Standard Deviation 0.335 °C (2025)
- Total fibre furnish — Production 4.99 million t (2024)
- Recovered paper — Production 2.98 million t (2024)
- Agricultural land — Value of agricultural production (Int. $) per Area 187.5 USD_PPP/ha (2024)
- Arable land — Area 31,787 1000 ha (2024)
- Cropland — Area per capita 1.01 ha/cap (2024)
Frequently asked questions
- What is lake water quality trophic state in Australia and New Zealand?
- Lake water quality trophic state in Australia and New Zealand was 0.8% in 2021, according to United Nations Statistics Division, SDG Global Database.
- What is the highest lake water quality trophic state recorded in Australia and New Zealand?
- The highest recorded value was 1.4% in 2017.
- What is the lowest lake water quality trophic state recorded in Australia and New Zealand?
- The lowest recorded value was 0.5% in 2019.
- How does Australia and New Zealand rank for lake water quality trophic state?
- Australia and New Zealand ranks 54th out of 121 countries with data for 2021.
- Where does this Australia and New Zealand 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).