Chlorophyll-a deviations, remote sensing in Western Sahara
Western Sahara: Chlorophyll-a deviations, remote sensing was 4.9% in 2022. ▼ Falling
Chlorophyll-a deviations, remote sensing in Western Sahara, 2005–2022
Source: United Nations Statistics Division, SDG Global Database. Measured in %.
Analysis
The most recent figure for chlorophyll-a deviations, remote sensing in Western Sahara is 4.9%, measured in 2022.
The figure is down 21.4% on the previous year and down 33.5% over ten years.
Over the whole period, chlorophyll-a deviations, remote sensing in Western Sahara peaked at 13.5% in 2007 and was at its lowest, 1.6%, in 2010.
That places Western Sahara 53rd out of 213 countries with data for 2022, putting it in the top quarter.
The long-run direction has been consistently falling across the 18 years of available data.
Chlorophyll-a deviations, remote sensing in Western Sahara, year by year
| Year | % | Change |
|---|---|---|
| 2005 | 6.6% | — |
| 2006 | 4.0% | -39.2% |
| 2007 | 13.5% | +235.3% |
| 2008 | 11.2% | -17.5% |
| 2009 | 13.3% | +19.3% |
| 2010 | 1.6% | -87.7% |
| 2011 | 1.7% | +4.9% |
| 2012 | 7.4% | +332.5% |
| 2013 | 7.5% | +0.7% |
| 2014 | 10.7% | +42.9% |
| 2015 | 10.8% | +0.7% |
| 2016 | 7.4% | -31.4% |
| 2017 | 3.9% | -46.7% |
| 2018 | 6.7% | +71.1% |
| 2019 | 4.7% | -29.9% |
| 2020 | 10.6% | +124.2% |
| 2021 | 6.3% | -40.7% |
| 2022 | 4.9% | -21.4% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 9.7% | 4.0% | 13.5% | 5 |
| 2010s | 6.3% | 1.6% | 10.8% | 10 |
| 2020s | 7.3% | 4.9% | 10.6% | 3 |
Countries ranked near Western Sahara
- 50 Guadeloupe 5.3% compare
- 51 Dominica 5.1% compare
- 52 Democratic People's Republic of Korea 5.0% compare
- 54 Yemen 4.8% compare
- 55 Venezuela (Bolivarian Republic of) 4.7% compare
- 56 Angola 4.6% compare
More development goals data for Western Sahara
- Red List Index 0.8607 index (2025)
- Number of refugees per 100,000 population, by country of origin 22,512 per 100,000 people (2025)
- Change in maximum river flow -89.8% (2024)
- Change in minimum river flow -88.4% (2024)
- River flow maximum 33.9 m3 per sec (2024)
- River flow minimum 0.5998 m3 per sec (2024)
- Domestic material consumption, by type of raw material 0 tonnes (2022)
- Domestic material consumption per capita, by type of raw material 0 tonnes (2022)
- Average tariff applied by developed countries, most-favored nation 5.3% (2024)
- Average tariff applied by developed countries, preferential status 3.1% (2024)
Frequently asked questions
- What is chlorophyll-a deviations, remote sensing in Western Sahara?
- Chlorophyll-a deviations, remote sensing in Western Sahara was 4.9% in 2022, according to United Nations Statistics Division, SDG Global Database.
- What is the highest chlorophyll-a deviations, remote sensing recorded in Western Sahara?
- The highest recorded value was 13.5% in 2007.
- What is the lowest chlorophyll-a deviations, remote sensing recorded in Western Sahara?
- The lowest recorded value was 1.6% in 2010.
- How does Western Sahara rank for chlorophyll-a deviations, remote sensing?
- Western Sahara ranks 53rd out of 213 countries with data for 2022.
- Is chlorophyll-a deviations, remote sensing rising or falling in Western Sahara?
- Over the last ten years it is down 33.5%. The long-run trend across the full record is falling.
- Where does this Western Sahara 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).