Chlorophyll-a deviations, remote sensing in Reunion
Reunion: Chlorophyll-a deviations, remote sensing was 0.2% in 2022. ◆ Volatile
Chlorophyll-a deviations, remote sensing in Reunion, 2005–2022
Source: United Nations Statistics Division, SDG Global Database.
Analysis
In 2022, chlorophyll-a deviations, remote sensing in Reunion stood at 0.2%.
That represents a change of up 102.0% on the previous year and up 9.5% over ten years.
Over the whole period, chlorophyll-a deviations, remote sensing in Reunion peaked at 19.4% in 2019 and was at its lowest, 0.1%, in 2021.
Reunion ranks 161st of 211 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Chlorophyll-a deviations, remote sensing in Reunion, year by year
| Year | Value | Change |
|---|---|---|
| 2005 | 2.4% | — |
| 2006 | 3.0% | +26.3% |
| 2007 | 0.6% | -80.6% |
| 2008 | 12.9% | +2127.5% |
| 2009 | 2.1% | -83.7% |
| 2010 | 1.4% | -34.0% |
| 2011 | 0.3% | -78.4% |
| 2012 | 0.2% | -42.8% |
| 2013 | 4.1% | +2270.4% |
| 2014 | 1.5% | -62.9% |
| 2015 | 0.4% | -75.9% |
| 2016 | 0.3% | -21.7% |
| 2017 | 1.3% | +373.1% |
| 2018 | 0.3% | -76.9% |
| 2019 | 19.4% | +6129.2% |
| 2020 | 17.9% | -7.5% |
| 2021 | 0.1% | -99.5% |
| 2022 | 0.2% | +102.0% |
Biggest year-on-year movements
Years where Chlorophyll-a deviations, remote sensing in Reunion changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2019 | +6129.2% | 0.3% | 19.4% |
| 2013 | +2270.4% | 0.2% | 4.1% |
| 2008 | +2127.5% | 0.6% | 12.9% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 4.2% | 0.6% | 12.9% | 5 |
| 2010s | 2.9% | 0.2% | 19.4% | 10 |
| 2020s | 6.1% | 0.1% | 17.9% | 3 |
Countries ranked near Reunion
- 158 Seychelles 0.2% compare
- 159 Niue 0.2% compare
- 160 Bonaire, Sint Eustatius and Saba 0.2% compare
- 161 Réunion 0.2% compare
- 163 Turkmenistan 0.2% compare
- 164 Iran (Islamic Republic of) 0.2% compare
- 164 Iraq 0.2% compare
More development goals data for Reunion
- Red List Index 0.579 (2025)
- Number of refugees per 100,000 population, by country of origin 0 (2025)
- Number of transboundary breeds 1 (2025)
- Number of transboundary breeds (not extinct) 1 (2025)
- Number of transboundary breeds with unknown risk status 1 (2025)
- Alcohol consumption per capita (aged 15 years and older) within a 10.55 (2024)
- Number of victims of intentional homicide, by sex 15 (2009)
- Domestic material consumption, by type of raw material 1.42 million (2022)
- Domestic material consumption per capita, by type of raw material 1.63 (2022)
- Number of victims of intentional homicide per 100,000 population, by 1.79 (2009)
Frequently asked questions
- What is chlorophyll-a deviations, remote sensing in Reunion?
- Chlorophyll-a deviations, remote sensing in Reunion was 0.2% in 2022, according to United Nations Statistics Division, SDG Global Database.
- What is the highest chlorophyll-a deviations, remote sensing recorded in Reunion?
- The highest recorded value was 19.4% in 2019.
- What is the lowest chlorophyll-a deviations, remote sensing recorded in Reunion?
- The lowest recorded value was 0.1% in 2021.
- How does Reunion rank for chlorophyll-a deviations, remote sensing?
- Reunion ranks 161st out of 211 countries with data for 2022.
- Is chlorophyll-a deviations, remote sensing rising or falling in Reunion?
- Over the last ten years it is up 9.5%. The long-run trend across the full record is volatile.
- Where does this Reunion data come from?
- The figures come from United Nations Statistics Division, SDG Global Database, published as part of Chlorophyll-a deviations, remote sensing (%). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 18 observations, free to reuse under UN SDG Global Database (open, attribution requested).