Chlorophyll-a deviation from the global average in China

China: Chlorophyll-a deviation from the global average was 2.6% in 2022. ▼ Falling

Latest (2022)
2.6%
Change on year
up 57.9%
World rank
71st
of 195 countries
All-time high
6.5%
in 2013
All-time low
1.6%
in 2021
Years of data
18
2005–2022

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

2345672005201320222005: 5.2 %2006: 5.8 %2007: 4.8 %2008: 5.4 %2009: 4.9 %2010: 5.5 %2011: 4.6 %2012: 4.6 %2013: 6.5 %2014: 5.5 %2015: 4.7 %2016: 4 %2017: 3.2 %2018: 2.2 %2019: 2.5 %2020: 2.8 %2021: 1.6 %2022: 2.6 %

Source: UN Statistics Division – processed by Our World in Data. Measured in %.

Analysis

In 2022, chlorophyll-a deviation from the global average in China stood at 2.6%.

Compared with earlier readings it is up 57.9% on the previous year and down 44.2% over ten years.

Over the whole period, chlorophyll-a deviation from the global average in China peaked at 6.5% in 2013 and was at its lowest, 1.6%, in 2021.

China ranks 71st 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 China, year by year

Annual values for Chlorophyll-a deviation from the global average in China, 2005 to 2022.
Year % Change
2005 5.2%
2006 5.8% +12.3%
2007 4.8% -17.1%
2008 5.4% +11.5%
2009 4.9% -8.9%
2010 5.5% +11.0%
2011 4.6% -16.3%
2012 4.6% +1.3%
2013 6.5% +40.1%
2014 5.5% -14.8%
2015 4.7% -14.8%
2016 4.0% -15.9%
2017 3.2% -20.2%
2018 2.2% -30.0%
2019 2.5% +13.5%
2020 2.8% +10.7%
2021 1.6% -41.2%
2022 2.6% +57.9%

China compared with similar countries

  • China's 2.6% is above the median for upper middle income countries, which is 1.8%, 1.5× the median. (48 countries reporting)
  • China's 2.6% is above the median for East Asia & Pacific, which is 0.6%, 4.5× the median. (32 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
2000s 5.2% 4.8% 5.8% 5
2010s 4.3% 2.2% 6.5% 10
2020s 2.3% 1.6% 2.8% 3

Countries ranked near China

  1. 68 Denmark 2.8% compare
  2. 69 South Africa 2.8% compare
  3. 70 Finland 2.7% compare
  4. 72 Senegal 2.4% compare
  5. 73 Gibraltar 2.4% compare
  6. 74 Mexico 2.4% compare
  7. 74 Spain 2.4% compare

See the full ranking of 195 places →

More reference data data for China

All data for China →

Frequently asked questions

What is chlorophyll-a deviation from the global average in China?
Chlorophyll-a deviation from the global average in China was 2.6% 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 China?
The highest recorded value was 6.5% in 2013.
What is the lowest chlorophyll-a deviation from the global average recorded in China?
The lowest recorded value was 1.6% in 2021.
How does China rank for chlorophyll-a deviation from the global average?
China ranks 71st out of 195 countries with data for 2022.
Is chlorophyll-a deviation from the global average rising or falling in China?
Over the last ten years it is down 44.2%. The long-run trend across the full record is falling.
Where does this China 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 China. 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/china/

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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 (%).