Chlorophyll-a deviation from the global average in United States

United States: Chlorophyll-a deviation from the global average was 4.3% in 2022. ▼ Falling

Latest (2022)
4.3%
Change on year
down 21.5%
World rank
54th
of 195 countries
All-time high
8.1%
in 2014
All-time low
4.2%
in 2016
Years of data
18
2005–2022

Chlorophyll-a deviation from the global average in United States, 2005–2022

024682005201320222005: 5.1 %2006: 5.2 %2007: 6.6 %2008: 7.1 %2009: 5.6 %2010: 6.5 %2011: 6.8 %2012: 6.4 %2013: 6.9 %2014: 8.1 %2015: 5.5 %2016: 4.2 %2017: 5 %2018: 5.9 %2019: 5.7 %2020: 5.9 %2021: 5.5 %2022: 4.3 %

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 United States is 4.3%, measured in 2022.

Compared with earlier readings it is down 21.5% on the previous year and down 32.4% over ten years.

Over the whole period, chlorophyll-a deviation from the global average in United States peaked at 8.1% in 2014 and was at its lowest, 4.2%, in 2016.

United States ranks 54th of 195 countries on this measure, in the middle of the range.

The long-run direction has been consistently falling across the 18 years of available data.

Chlorophyll-a deviation from the global average in United States, year by year

Annual values for Chlorophyll-a deviation from the global average in United States, 2005 to 2022.
Year % Change
2005 5.1%
2006 5.2% +2.8%
2007 6.6% +25.9%
2008 7.1% +8.1%
2009 5.6% -20.9%
2010 6.5% +16.0%
2011 6.8% +3.8%
2012 6.4% -5.5%
2013 6.9% +7.5%
2014 8.1% +17.6%
2015 5.5% -31.9%
2016 4.2% -23.6%
2017 5.0% +18.8%
2018 5.9% +18.4%
2019 5.7% -3.9%
2020 5.9% +4.4%
2021 5.5% -7.3%
2022 4.3% -21.5%

United States compared with similar countries

  • United States's 4.3% is above the median for high income countries, which is 1.2%, 3.6× the median. (71 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
2000s 5.9% 5.1% 7.1% 5
2010s 6.1% 4.2% 8.1% 10
2020s 5.2% 4.3% 5.9% 3

Countries ranked near United States

  1. 51 Venezuela 4.8% compare
  2. 52 Angola 4.6% compare
  3. 53 Namibia 4.4% compare
  4. 55 Brunei 4.0% compare
  5. 56 France 3.7% compare
  6. 57 Australia 3.5% compare

See the full ranking of 195 places →

More reference data data for United States

All data for United States →

Frequently asked questions

What is chlorophyll-a deviation from the global average in United States?
Chlorophyll-a deviation from the global average in United States was 4.3% 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 United States?
The highest recorded value was 8.1% in 2014.
What is the lowest chlorophyll-a deviation from the global average recorded in United States?
The lowest recorded value was 4.2% in 2016.
How does United States rank for chlorophyll-a deviation from the global average?
United States ranks 54th out of 195 countries with data for 2022.
Is chlorophyll-a deviation from the global average rising or falling in United States?
Over the last ten years it is down 32.4%. The long-run trend across the full record is falling.
Where does this United States 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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Chlorophyll-a deviation from the global average in United States. Statizoid, drawing on UN Statistics Division – processed by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/stat/chlorophyll-a-deviation-from-the-global-average/united-states/

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About this data

Indicator
Chlorophyll-a deviation from the global average
Unit
%
Source
UN Statistics Division – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
195 places, 3,445 data points, 2005–2022
Last refreshed

Chlorophyll-a deviations, remote sensing (%).