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 188th out of 193 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.
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
- Temperature anomalies by month 0.0944 °C (2026)
- Spring temperature anomalies 0.1942 °C (2026)
- Summer temperature anomalies -0.1017 °C (2026)
- Precipitation anomalies 406.76 millimeters (2025)
- Autumn temperature anomalies -0.3295 °C (2025)
- Annual precipitation 2,994 millimeters (2025)
- Winter temperature anomalies 0.2171 °C (2025)
- Share of men and women expected to survive to the age of 65 82.6% (2024)
- Seafood production: wild fish catch vs. aquaculture 15 metric tons (2024)
- Share of men expected to survive to the age of 65 70.2% (2024)
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 188th out of 193 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.
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CSV · JSON — 18 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Chlorophyll-a deviations, remote sensing (%)