Chlorophyll-a anomaly, remote sensing in Tonga
Tonga: Chlorophyll-a anomaly, remote sensing was 0.0% in 2022. ◆ Volatile
Latest (2022)
0.0%
Change on year
up 83.1%
World rank
151st
of 188 countries
All-time high
0.1%
in 2018
All-time low
0.0%
in 2019
Years of data
5
2018–2022
Chlorophyll-a anomaly, remote sensing in Tonga, 2018–2022
Source: United Nations Statistics Division, SDG Global Database. Measured in %.
Analysis
Tonga recorded 0.0% for chlorophyll-a anomaly, remote sensing in 2022.
Compared with earlier readings it is up 83.1% on the previous year and down 36.4% over five years.
Tonga ranks 151st of 188 countries on this measure, in the bottom quarter.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 0.0% | 0.0% | 0.1% | 2 |
| 2020s | 0.0% | 0.0% | 0.0% | 3 |
Countries ranked near Tonga
- 148 Saint Barthélemy 0.1% compare
- 149 Samoa 0.1% compare
- 150 Réunion 0.0% compare
- 152 New Caledonia 0.0% compare
- 153 Marshall Islands 0.0% compare
- 154 Micronesia 0.0% compare
More development goals data for Tonga
- Red List Index 0.7501 index (2025)
- Number of refugees per 100,000 population, by country of origin 58.77 per 100,000 people (2025)
- Manufacturing value added per capita 286.2 constant US$ (2025)
- Number of transboundary breeds 18 (2025)
- Number of transboundary breeds (not extinct) 18 (2025)
- Number of transboundary breeds with unknown risk status 18 (2025)
- Number of local breeds with unknown risk status 5 (2025)
- Number of local breeds (not extinct) 5 (2025)
- Number of local breeds kept in the country 5 (2025)
- Infant deaths 19 (2024)
Frequently asked questions
- What is chlorophyll-a anomaly, remote sensing in Tonga?
- Chlorophyll-a anomaly, remote sensing in Tonga was 0.0% in 2022, according to United Nations Statistics Division, SDG Global Database.
- What is the highest chlorophyll-a anomaly, remote sensing recorded in Tonga?
- The highest recorded value was 0.1% in 2018.
- What is the lowest chlorophyll-a anomaly, remote sensing recorded in Tonga?
- The lowest recorded value was 0.0% in 2019.
- How does Tonga rank for chlorophyll-a anomaly, remote sensing?
- Tonga ranks 151st out of 188 countries with data for 2022.
- Where does this Tonga data come from?
- The figures come from United Nations Statistics Division, SDG Global Database, published as part of Chlorophyll-a anomaly, remote sensing (%). 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).