Lake water quality trophic state in Iran (Islamic Republic of)
Iran (Islamic Republic of): Lake water quality trophic state was 0.1% in 2021. ▬ Flat
Latest (2021)
0.1%
Change on year
down 10.8%
Rank
17th
of 19 regions
All-time high
0.1%
in 2018
All-time low
0.1%
in 2021
Years of data
5
2017–2021
Lake water quality trophic state in Iran (Islamic Republic of), 2017–2021
Source: United Nations Statistics Division, SDG Global Database.
Analysis
Iran (Islamic Republic of) recorded 0.1% for lake water quality trophic state in 2021. That is the lowest value across all 5 years on record.
That represents a change of down 10.8% on the previous year and down 5.2% over five years.
Lake water quality trophic state in Iran (Islamic Republic of), year by year
| Year | Value | Change |
|---|---|---|
| 2017 | 0.1% | — |
| 2018 | 0.1% | +6.3% |
| 2019 | 0.1% | -8.1% |
| 2020 | 0.1% | +8.8% |
| 2021 | 0.1% | -10.8% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 0.1% | 0.1% | 0.1% | 3 |
| 2020s | 0.1% | 0.1% | 0.1% | 2 |
Countries ranked near Iran (Islamic Republic of)
More environment data for Iran (Islamic Republic of)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.488 °C (2025)
- Temperature change 2.07 °C (2025)
- Printing and writing papers — Import quantity, annual growth rate 1.11 % change on previous year (2024)
- Total fibre furnish — Production, annual growth rate 0 % change on previous year (2024)
- Other paper and paperboard, not elsewhere specified — Import value -2.09 % change on previous year (2024)
- Other paper and paperboard, not elsewhere specified — Import 13.3 % change on previous year (2024)
- Printing and writing papers — Import value, annual growth rate -8.5 % change on previous year (2024)
- Other paper and paperboard — Import quantity, annual growth rate 11.98 % change on previous year (2024)
- Other paper and paperboard — Import value, annual growth rate -0.9002 % change on previous year (2024)
Frequently asked questions
- What is lake water quality trophic state in Iran (Islamic Republic of)?
- Lake water quality trophic state in Iran (Islamic Republic of) was 0.1% in 2021, according to United Nations Statistics Division, SDG Global Database.
- What is the highest lake water quality trophic state recorded in Iran (Islamic Republic of)?
- The highest recorded value was 0.1% in 2018.
- What is the lowest lake water quality trophic state recorded in Iran (Islamic Republic of)?
- The lowest recorded value was 0.1% in 2021.
- How does Iran (Islamic Republic of) rank for lake water quality trophic state?
- Iran (Islamic Republic of) ranks 17th out of 19 regions with data for 2021.
- Where does this Iran (Islamic Republic of) 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).