Chlorophyll-a deviation from the global average in Western Sahara
Western Sahara: Chlorophyll-a deviation from the global average was 4.9% in 2022. ▼ Falling
Chlorophyll-a deviation from the global average in Western Sahara, 2005–2022
Source: UN Statistics Division – processed by Our World in Data. Measured in %.
Analysis
The most recent figure for chlorophyll-a deviation from the global average in Western Sahara is 4.9%, measured in 2022.
That represents a change of down 21.5% on the previous year and down 33.6% over ten years.
Over the whole period, chlorophyll-a deviation from the global average in Western Sahara peaked at 13.5% in 2007 and was at its lowest, 1.6%, in 2010.
Western Sahara ranks 49th of 195 countries on this measure, in the top quarter.
The long-run direction has been consistently falling across the 18 years of available data.
Chlorophyll-a deviation from the global average in Western Sahara, year by year
| Year | % | Change |
|---|---|---|
| 2005 | 6.6% | — |
| 2006 | 4.0% | -39.2% |
| 2007 | 13.5% | +235.5% |
| 2008 | 11.2% | -17.5% |
| 2009 | 13.3% | +19.4% |
| 2010 | 1.6% | -87.7% |
| 2011 | 1.7% | +4.9% |
| 2012 | 7.4% | +332.6% |
| 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% | -29.8% |
| 2020 | 10.6% | +124.1% |
| 2021 | 6.3% | -40.7% |
| 2022 | 4.9% | -21.5% |
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
More reference data data for Western Sahara
- Free country 0 (2025)
- Civil liberties rating 7 (2025)
- Free country, gaps filled 0 (2025)
- Civil liberties rating, gaps filled 7 (2025)
- Civil liberties rating, annual growth rate 0 % change on previous year (2025)
- Exposure to extreme temperature — Annual temperature change 1.35 Degrees celsius (2023)
- Land area in hectares 26.60 million hectares (2023)
- Area of permanent meadows and pastures 5.00 million hectares (2023)
- Average age of mothers at childbirth 29.99 years (2023)
- Area of permanent meadows and pastures, annual growth rate 0 % change on previous year (2023)
Frequently asked questions
- What is chlorophyll-a deviation from the global average in Western Sahara?
- Chlorophyll-a deviation from the global average in Western Sahara was 4.9% 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 Western Sahara?
- The highest recorded value was 13.5% in 2007.
- What is the lowest chlorophyll-a deviation from the global average recorded in Western Sahara?
- The lowest recorded value was 1.6% in 2010.
- How does Western Sahara rank for chlorophyll-a deviation from the global average?
- Western Sahara ranks 49th out of 195 countries with data for 2022.
- Is chlorophyll-a deviation from the global average rising or falling in Western Sahara?
- Over the last ten years it is down 33.6%. The long-run trend across the full record is falling.
- Where does this Western Sahara 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 (%).