Chlorophyll-a deviation from the global average in American Samoa
American Samoa: Chlorophyll-a deviation from the global average was 0.0% in 2022. ◆ Volatile
Chlorophyll-a deviation from the global average in American Samoa, 2005–2022
Source: UN Statistics Division – processed by Our World in Data. Measured in %.
Analysis
American Samoa recorded 0.0% for chlorophyll-a deviation from the global average in 2022. That is the lowest value across all 18 years on record.
The figure is down 100.0% on the previous year and down 100.0% over ten years.
Over the whole period, chlorophyll-a deviation from the global average in American Samoa peaked at 4.6% in 2019 and was at its lowest, 0.0%, in 2022.
That places American Samoa 190th 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 American Samoa, year by year
| Year | % | Change |
|---|---|---|
| 2005 | 0.6% | — |
| 2006 | 0.5% | -21.1% |
| 2007 | 1.7% | +271.1% |
| 2008 | 1.9% | +10.8% |
| 2009 | 0.6% | -65.4% |
| 2010 | 0.2% | -64.1% |
| 2011 | 2.8% | +1130.4% |
| 2012 | 0.4% | -86.6% |
| 2013 | 0.0% | -94.7% |
| 2014 | 0.1% | +350.0% |
| 2015 | 0.3% | +233.3% |
| 2016 | 1.8% | +510.0% |
| 2017 | 0.6% | -67.8% |
| 2018 | 3.3% | +461.0% |
| 2019 | 4.6% | +39.9% |
| 2020 | 3.0% | -34.3% |
| 2021 | 0.8% | -75.0% |
| 2022 | 0.0% | -100.0% |
American Samoa compared with similar countries
- American Samoa's 0.0% is below the median for high income countries, which is 1.2%. (71 countries reporting)
- American Samoa's 0.0% is below the median for East Asia & Pacific, which is 0.6%. (32 countries reporting)
Biggest year-on-year movements
Years where Chlorophyll-a deviation from the global average in American Samoa 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 |
|---|---|---|---|
| 2011 | +1130.4% | 0.2% | 2.8% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 1.0% | 0.5% | 1.9% | 5 |
| 2010s | 1.4% | 0.0% | 4.6% | 10 |
| 2020s | 1.3% | 0.0% | 3.0% | 3 |
Countries ranked near American Samoa
More reference data data for American Samoa
- Emission Totals - Emissions (N2O) - IPCC Agriculture 0 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - Burning - Crop residues 0.0023 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - IPCC Agriculture 0.0023 (2050)
- Emission Totals - Emissions (CO2eq) from CH4 (AR5) - Burning - Crop 0.0018 (2050)
- Emission Totals - Emissions (CO2eq) from CH4 (AR5) - IPCC Agriculture 0.0018 (2050)
- Emission Totals - Emissions (CH4) - Burning - Crop residues 0.0001 (2050)
- Emission Totals - Emissions (CH4) - IPCC Agriculture 0.0001 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Burning - Crop 0.0005 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - IPCC Agriculture 0.0005 (2050)
- Emission Totals - Emissions (N2O) - Burning - Crop residues 0 (2050)
Frequently asked questions
- What is chlorophyll-a deviation from the global average in American Samoa?
- Chlorophyll-a deviation from the global average in American Samoa was 0.0% 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 American Samoa?
- The highest recorded value was 4.6% in 2019.
- What is the lowest chlorophyll-a deviation from the global average recorded in American Samoa?
- The lowest recorded value was 0.0% in 2022.
- How does American Samoa rank for chlorophyll-a deviation from the global average?
- American Samoa ranks 190th out of 195 countries with data for 2022.
- Is chlorophyll-a deviation from the global average rising or falling in American Samoa?
- Over the last ten years it is down 100.0%. The long-run trend across the full record is volatile.
- Where does this American Samoa 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 (%).