Chlorophyll-a deviations, remote sensing in Saint Helena
Saint Helena: Chlorophyll-a deviations, remote sensing was 0.2% in 2022. ◆ Volatile
Chlorophyll-a deviations, remote sensing in Saint Helena, 2005–2022
Source: United Nations Statistics Division, SDG Global Database. Measured in %.
Analysis
Saint Helena recorded 0.2% for chlorophyll-a deviations, remote sensing in 2022. That is the lowest value across all 18 years on record.
That represents a change of down 91.2% on the previous year and down 86.2% over ten years.
Over the whole period, chlorophyll-a deviations, remote sensing in Saint Helena peaked at 4.2% in 2009 and was at its lowest, 0.2%, in 2022.
Saint Helena ranks 154th of 213 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Chlorophyll-a deviations, remote sensing in Saint Helena, year by year
| Year | % | Change |
|---|---|---|
| 2005 | 2.3% | — |
| 2006 | 1.7% | -23.6% |
| 2007 | 3.1% | +76.3% |
| 2008 | 2.4% | -22.0% |
| 2009 | 4.2% | +73.6% |
| 2010 | 3.5% | -15.2% |
| 2011 | 3.1% | -12.7% |
| 2012 | 1.8% | -41.3% |
| 2013 | 1.2% | -30.9% |
| 2014 | 1.5% | +17.5% |
| 2015 | 2.0% | +39.8% |
| 2016 | 0.5% | -76.8% |
| 2017 | 0.9% | +85.7% |
| 2018 | 1.0% | +8.2% |
| 2019 | 1.4% | +50.1% |
| 2020 | 2.0% | +36.9% |
| 2021 | 2.8% | +43.6% |
| 2022 | 0.2% | -91.2% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 2.7% | 1.7% | 4.2% | 5 |
| 2010s | 1.7% | 0.5% | 3.5% | 10 |
| 2020s | 1.7% | 0.2% | 2.8% | 3 |
Countries ranked near Saint Helena
- 151 French Polynesia 0.3% compare
- 152 Azerbaijan 0.3% compare
- 153 Cuba 0.3% compare
- 155 Polynesia 0.2% compare
- 156 Saint Kitts and Nevis 0.2% compare
- 157 United Republic of Tanzania 0.2% compare
More development goals data for Saint Helena
- Red List Index 0.7583 index (2025)
- Alcohol consumption per capita (aged 15 years and older) within a 3.29 ltpureal (2024)
- Number of victims of intentional homicide, by sex 0 (2009)
- Total assistance for development, by recipient countries 53.68 million current US$ (2024)
- Number of victims of intentional homicide per 100,000 population, by 0 per 100,000 people (2009)
- Domestic material consumption, by type of raw material 4,476 tonnes (2022)
- Domestic material consumption per capita, by type of raw material 0.8377 tonnes (2022)
- Total official flows for scholarships, by recipient countries 0.0298 million constant US$ (2021)
- Average tariff applied by developed countries, most-favored nation 0.5% (2024)
- Average tariff applied by developed countries, preferential status 0.4% (2024)
Frequently asked questions
- What is chlorophyll-a deviations, remote sensing in Saint Helena?
- Chlorophyll-a deviations, remote sensing in Saint Helena 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 Saint Helena?
- The highest recorded value was 4.2% in 2009.
- What is the lowest chlorophyll-a deviations, remote sensing recorded in Saint Helena?
- The lowest recorded value was 0.2% in 2022.
- How does Saint Helena rank for chlorophyll-a deviations, remote sensing?
- Saint Helena ranks 154th out of 213 countries with data for 2022.
- Is chlorophyll-a deviations, remote sensing rising or falling in Saint Helena?
- Over the last ten years it is down 86.2%. The long-run trend across the full record is volatile.
- Where does this Saint Helena 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).