Chlorophyll-a deviations, remote sensing in Réunion
Réunion: Chlorophyll-a deviations, remote sensing was 0.2% in 2022. ◆ Volatile
Chlorophyll-a deviations, remote sensing in Réunion, 2005–2022
Source: United Nations Statistics Division, SDG Global Database. Measured in %.
Analysis
The most recent figure for chlorophyll-a deviations, remote sensing in Réunion is 0.2%, measured in 2022.
The figure is up 102.0% on the previous year and up 9.5% over ten years.
Over the whole period, chlorophyll-a deviations, remote sensing in Réunion peaked at 19.4% in 2019 and was at its lowest, 0.1%, in 2021.
That places Réunion 163rd out of 213 countries with data for 2022, putting it 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 Réunion, year by year
| Year | % | 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 Réunion 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 Réunion
- 160 Seychelles 0.2% compare
- 161 Niue 0.2% compare
- 162 Bonaire, Sint Eustatius and Saba 0.2% compare
- 163 Reunion 0.2% compare
- 165 Turkmenistan 0.2% compare
- 166 Iran (Islamic Republic of) 0.2% compare
- 166 Iraq 0.2% compare
More development goals data for Réunion
- Red List Index 0.579 index (2025)
- Number of refugees per 100,000 population, by country of origin 0 per 100,000 people (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 ltpureal (2024)
- Number of victims of intentional homicide, by sex 15 (2009)
- Number of victims of intentional homicide per 100,000 population, by 1.79 per 100,000 people (2009)
- Domestic material consumption, by type of raw material 1.42 million tonnes (2022)
- Domestic material consumption per capita, by type of raw material 1.63 tonnes (2022)
Frequently asked questions
- What is chlorophyll-a deviations, remote sensing in Réunion?
- Chlorophyll-a deviations, remote sensing in Réunion 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 Réunion?
- The highest recorded value was 19.4% in 2019.
- What is the lowest chlorophyll-a deviations, remote sensing recorded in Réunion?
- The lowest recorded value was 0.1% in 2021.
- How does Réunion rank for chlorophyll-a deviations, remote sensing?
- Réunion ranks 163rd out of 213 countries with data for 2022.
- Is chlorophyll-a deviations, remote sensing rising or falling in Réunion?
- Over the last ten years it is up 9.5%. The long-run trend across the full record is volatile.
- Where does this Réunion 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).