Chlorophyll-a deviation from the global average in Reunion
Reunion: Chlorophyll-a deviation from the global average was 0.2% in 2022. ◆ Volatile
Chlorophyll-a deviation from the global average in Reunion, 2005–2022
Source: UN Statistics Division – processed by Our World in Data. Measured in %.
Analysis
In 2022, chlorophyll-a deviation from the global average in Reunion stood at 0.2%.
Compared with earlier readings it is up 111.1% on the previous year and up 11.8% over ten years.
Over the whole period, chlorophyll-a deviation from the global average in Reunion peaked at 19.4% in 2019 and was at its lowest, 0.1%, in 2021.
That places Reunion 148th out of 195 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 deviation from the global average in Reunion, year by year
| Year | % | Change |
|---|---|---|
| 2005 | 2.4% | — |
| 2006 | 3.0% | +26.3% |
| 2007 | 0.6% | -80.5% |
| 2008 | 12.8% | +2115.5% |
| 2009 | 2.1% | -83.7% |
| 2010 | 1.4% | -33.8% |
| 2011 | 0.3% | -78.4% |
| 2012 | 0.2% | -43.3% |
| 2013 | 4.1% | +2288.2% |
| 2014 | 1.5% | -62.8% |
| 2015 | 0.4% | -76.2% |
| 2016 | 0.3% | -22.2% |
| 2017 | 1.4% | +382.1% |
| 2018 | 0.3% | -77.0% |
| 2019 | 19.4% | +6154.8% |
| 2020 | 17.9% | -7.5% |
| 2021 | 0.1% | -99.5% |
| 2022 | 0.2% | +111.1% |
Biggest year-on-year movements
Years where Chlorophyll-a deviation from the global average 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 | +6154.8% | 0.3% | 19.4% |
| 2013 | +2288.2% | 0.2% | 4.1% |
| 2008 | +2115.5% | 0.6% | 12.8% |
| 2017 | +382.1% | 0.3% | 1.4% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 4.2% | 0.6% | 12.8% | 5 |
| 2010s | 2.9% | 0.2% | 19.4% | 10 |
| 2020s | 6.1% | 0.1% | 17.9% | 3 |
Countries ranked near Reunion
- 145 Seychelles 0.2% compare
- 145 Turks and Caicos Islands 0.2% compare
- 147 Niue 0.2% compare
- 148 Bonaire Sint Eustatius and Saba 0.2% compare
- 150 Iran 0.2% compare
- 150 Iraq 0.2% compare
- 150 Turkmenistan 0.2% compare
More reference data data for Reunion
- Global number of reported disasters by size, gaps filled 0 events (2025)
- Milk production, annual growth rate 1.42 % change on previous year (2006)
- Milk production 26,146 tonnes (2006)
- Area of permanent meadows and pastures 12,962 hectares (2023)
- FAO projections of arable land 28,665 hectares (2023)
- FAO projections of arable land, annual growth rate -1.05 % change on previous year (2023)
- Land area in hectares 251,000 hectares (2023)
- Fertility rate: births per woman 2.17 live births per woman (2023)
- Area of permanent meadows and pastures, annual growth rate -0.1079 % change on previous year (2023)
- Land area in hectares, annual growth rate 0 % change on previous year (2023)
Frequently asked questions
- What is chlorophyll-a deviation from the global average in Reunion?
- Chlorophyll-a deviation from the global average in Reunion was 0.2% in 2022, according to UN Statistics Division – processed by Our World in Data.
- What is the highest chlorophyll-a deviation from the global average recorded in Reunion?
- The highest recorded value was 19.4% in 2019.
- What is the lowest chlorophyll-a deviation from the global average recorded in Reunion?
- The lowest recorded value was 0.1% in 2021.
- How does Reunion rank for chlorophyll-a deviation from the global average?
- Reunion ranks 148th out of 195 countries with data for 2022.
- Is chlorophyll-a deviation from the global average rising or falling in Reunion?
- Over the last ten years it is up 11.8%. The long-run trend across the full record is volatile.
- Where does this Reunion data come from?
- The figures come from UN Statistics Division – processed by Our World in Data, published as part of Chlorophyll-a deviation from the global average. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 18 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Chlorophyll-a deviations, remote sensing (%).