Chlorophyll-a deviation from the global average in Vietnam

Vietnam: Chlorophyll-a deviation from the global average was 1.2% in 2022. ▼ Falling

Latest (2022)
1.2%
Change on year
down 65.2%
World rank
106th
of 195 countries
All-time high
6.3%
in 2005
All-time low
1.2%
in 2022
Years of data
18
2005–2022

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

2462005201320222005: 6.3 %2006: 3 %2007: 6 %2008: 3.4 %2009: 4.9 %2010: 1.6 %2011: 5.7 %2012: 2.9 %2013: 3.4 %2014: 2.1 %2015: 1.8 %2016: 2.1 %2017: 4 %2018: 2.5 %2019: 1.6 %2020: 3.4 %2021: 3.4 %2022: 1.2 %

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

Analysis

In 2022, chlorophyll-a deviation from the global average in Vietnam stood at 1.2%. That is the lowest value across all 18 years on record.

Compared with earlier readings it is down 65.2% on the previous year and down 59.2% over ten years.

Over the whole period, chlorophyll-a deviation from the global average in Vietnam peaked at 6.3% in 2005 and was at its lowest, 1.2%, in 2022.

That places Vietnam 106th out of 195 countries with data for 2022, putting it 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 Vietnam, year by year

Annual values for Chlorophyll-a deviation from the global average in Vietnam, 2005 to 2022.
Year % Change
2005 6.3%
2006 3.0% -52.8%
2007 6.0% +101.0%
2008 3.4% -42.4%
2009 4.9% +41.6%
2010 1.6% -66.1%
2011 5.7% +243.0%
2012 2.9% -48.4%
2013 3.4% +15.8%
2014 2.1% -38.2%
2015 1.8% -15.3%
2016 2.1% +17.5%
2017 4.0% +90.4%
2018 2.5% -35.6%
2019 1.6% -38.0%
2020 3.4% +116.5%
2021 3.4% +0.0%
2022 1.2% -65.2%

Vietnam compared with similar countries

  • Vietnam's 1.2% is below the median for upper middle income countries, which is 1.8%, 67% of the median. (48 countries reporting)
  • Vietnam's 1.2% is above the median for East Asia & Pacific, which is 0.6%, 2.1× the median. (32 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
2000s 4.7% 3.0% 6.3% 5
2010s 2.8% 1.6% 5.7% 10
2020s 2.7% 1.2% 3.4% 3

Countries ranked near Vietnam

  1. 103 Panama 1.2% compare
  2. 103 Sint Maarten (Dutch part) 1.2% compare
  3. 105 Sao Tome and Principe 1.2% compare
  4. 106 Antigua and Barbuda 1.2% compare
  5. 108 Sweden 1.2% compare
  6. 109 Pakistan 1.2% compare

See the full ranking of 195 places →

More reference data data for Vietnam

All data for Vietnam →

Frequently asked questions

What is chlorophyll-a deviation from the global average in Vietnam?
Chlorophyll-a deviation from the global average in Vietnam was 1.2% 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 Vietnam?
The highest recorded value was 6.3% in 2005.
What is the lowest chlorophyll-a deviation from the global average recorded in Vietnam?
The lowest recorded value was 1.2% in 2022.
How does Vietnam rank for chlorophyll-a deviation from the global average?
Vietnam ranks 106th out of 195 countries with data for 2022.
Is chlorophyll-a deviation from the global average rising or falling in Vietnam?
Over the last ten years it is down 59.2%. The long-run trend across the full record is falling.
Where does this Vietnam 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 Vietnam. 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/viet-nam/

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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 (%).