Chlorophyll-a deviation from the global average in Sri Lanka

Sri Lanka: Chlorophyll-a deviation from the global average was 13.1% in 2022. ◆ Volatile

Latest (2022)
13.1%
Change on year
up 97.9%
World rank
13th
of 195 countries
All-time high
13.1%
in 2022
All-time low
0.8%
in 2015
Years of data
18
2005–2022

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

02.557.51012.52005201320222005: 4.2 %2006: 2.9 %2007: 2.9 %2008: 2.5 %2009: 2.4 %2010: 4.4 %2011: 4 %2012: 3.6 %2013: 5.9 %2014: 3.8 %2015: 0.82 %2016: 5.7 %2017: 3.3 %2018: 3.4 %2019: 1.7 %2020: 9.5 %2021: 6.6 %2022: 13.1 %

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

Analysis

In 2022, chlorophyll-a deviation from the global average in Sri Lanka stood at 13.1%. That is the highest value across all 18 years on record.

The figure is up 97.9% on the previous year and up 260.3% over ten years.

Over the whole period, chlorophyll-a deviation from the global average in Sri Lanka peaked at 13.1% in 2022 and was at its lowest, 0.8%, in 2015.

That places Sri Lanka 13th out of 195 countries with data for 2022, putting it in the top 10%.

The series is highly variable year to year, so single readings are best treated with caution.

Chlorophyll-a deviation from the global average in Sri Lanka, year by year

Annual values for Chlorophyll-a deviation from the global average in Sri Lanka, 2005 to 2022.
Year % Change
2005 4.2%
2006 2.9% -31.1%
2007 2.9% +1.7%
2008 2.5% -14.0%
2009 2.4% -4.8%
2010 4.4% +85.0%
2011 4.0% -9.9%
2012 3.6% -9.3%
2013 5.9% +62.5%
2014 3.8% -36.3%
2015 0.8% -78.2%
2016 5.7% +592.7%
2017 3.3% -41.7%
2018 3.4% +2.7%
2019 1.7% -49.4%
2020 9.5% +453.5%
2021 6.6% -30.6%
2022 13.1% +97.9%

Sri Lanka compared with similar countries

  • Sri Lanka's 13.1% is above the median for upper middle income countries, which is 1.8%, 7.3× the median. (48 countries reporting)

Biggest year-on-year movements

Years where Chlorophyll-a deviation from the global average in Sri Lanka 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.

YearChange FromTo
2016 +592.7% 0.8% 5.7%
2020 +453.5% 1.7% 9.5%

Averages by decade

DecadeAverage LowestHighest Years
2000s 3.0% 2.4% 4.2% 5
2010s 3.7% 0.8% 5.9% 10
2020s 9.7% 6.6% 13.1% 3

Countries ranked near Sri Lanka

  1. 10 Guyana 13.4% compare
  2. 11 Russia 13.3% compare
  3. 12 Svalbard and Jan Mayen 13.1% compare
  4. 14 Falkland Islands 12.9% compare
  5. 15 Gabon 12.4% compare
  6. 16 Norway 11.1% compare

See the full ranking of 195 places →

More reference data data for Sri Lanka

All data for Sri Lanka →

Frequently asked questions

What is chlorophyll-a deviation from the global average in Sri Lanka?
Chlorophyll-a deviation from the global average in Sri Lanka was 13.1% 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 Sri Lanka?
The highest recorded value was 13.1% in 2022.
What is the lowest chlorophyll-a deviation from the global average recorded in Sri Lanka?
The lowest recorded value was 0.8% in 2015.
How does Sri Lanka rank for chlorophyll-a deviation from the global average?
Sri Lanka ranks 13th out of 195 countries with data for 2022.
Is chlorophyll-a deviation from the global average rising or falling in Sri Lanka?
Over the last ten years it is up 260.3%. The long-run trend across the full record is volatile.
Where does this Sri Lanka 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 Sri Lanka. 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/sri-lanka/

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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 (%).