Chlorophyll-a deviation from the global average in Angola

Angola: Chlorophyll-a deviation from the global average was 4.6% in 2022. ▼ Falling

Latest (2022)
4.6%
Change on year
up 202.0%
World rank
52nd
of 195 countries
All-time high
10.3%
in 2005
All-time low
1.5%
in 2021
Years of data
18
2005–2022

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

2468102005201320222005: 10.3 %2006: 8.2 %2007: 6.3 %2008: 6.9 %2009: 5.7 %2010: 5.5 %2011: 10.2 %2012: 4.4 %2013: 3.9 %2014: 4.9 %2015: 7.7 %2016: 5.7 %2017: 3 %2018: 4.6 %2019: 3.2 %2020: 4.8 %2021: 1.5 %2022: 4.6 %

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

Analysis

In 2022, chlorophyll-a deviation from the global average in Angola stood at 4.6%.

Compared with earlier readings it is up 202.0% on the previous year and up 5.0% over ten years.

Over the whole period, chlorophyll-a deviation from the global average in Angola peaked at 10.3% in 2005 and was at its lowest, 1.5%, in 2021.

That places Angola 52nd 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 Angola, year by year

Annual values for Chlorophyll-a deviation from the global average in Angola, 2005 to 2022.
Year % Change
2005 10.3%
2006 8.2% -20.2%
2007 6.3% -23.9%
2008 6.9% +10.1%
2009 5.7% -17.0%
2010 5.5% -3.1%
2011 10.2% +84.5%
2012 4.4% -56.9%
2013 3.9% -11.4%
2014 4.9% +25.4%
2015 7.7% +57.9%
2016 5.7% -26.6%
2017 3.0% -47.4%
2018 4.6% +54.7%
2019 3.2% -31.0%
2020 4.8% +52.5%
2021 1.5% -68.5%
2022 4.6% +202.0%

Angola compared with similar countries

  • Angola's 4.6% is above the median for lower middle income countries, which is 1.6%, 2.9× the median. (36 countries reporting)
  • Angola's 4.6% is above the median for Sub-Saharan Africa, which is 2.3%, 2.0× the median. (32 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
2000s 7.5% 5.7% 10.3% 5
2010s 5.3% 3.0% 10.2% 10
2020s 3.7% 1.5% 4.8% 3

Countries ranked near Angola

  1. 49 Western Sahara 4.9% compare
  2. 50 Yemen 4.8% compare
  3. 51 Venezuela 4.8% compare
  4. 53 Namibia 4.4% compare
  5. 54 United States 4.3% compare
  6. 55 Brunei 4.0% compare

See the full ranking of 195 places →

More reference data data for Angola

All data for Angola →

Frequently asked questions

What is chlorophyll-a deviation from the global average in Angola?
Chlorophyll-a deviation from the global average in Angola was 4.6% 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 Angola?
The highest recorded value was 10.3% in 2005.
What is the lowest chlorophyll-a deviation from the global average recorded in Angola?
The lowest recorded value was 1.5% in 2021.
How does Angola rank for chlorophyll-a deviation from the global average?
Angola ranks 52nd out of 195 countries with data for 2022.
Is chlorophyll-a deviation from the global average rising or falling in Angola?
Over the last ten years it is up 5.0%. The long-run trend across the full record is falling.
Where does this Angola 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 Angola. 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/angola/

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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 (%).