Chlorophyll-a deviation from the global average in Tanzania

Tanzania: Chlorophyll-a deviation from the global average was 0.2% in 2022. ◆ Volatile

Latest (2022)
0.2%
Change on year
up 76.9%
World rank
143rd
of 195 countries
All-time high
1.4%
in 2007
All-time low
0.1%
in 2011
Years of data
18
2005–2022

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

00.511.52005201320222005: 0.57 %2006: 0.13 %2007: 1.4 %2008: 0.34 %2009: 0.28 %2010: 0.24 %2011: 0.12 %2012: 0.57 %2013: 0.42 %2014: 0.13 %2015: 0.77 %2016: 0.74 %2017: 0.12 %2018: 0.53 %2019: 0.13 %2020: 0.64 %2021: 0.13 %2022: 0.23 %

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

Analysis

In 2022, chlorophyll-a deviation from the global average in Tanzania stood at 0.2%.

That represents a change of up 76.9% on the previous year and down 59.6% over ten years.

Over the whole period, chlorophyll-a deviation from the global average in Tanzania peaked at 1.4% in 2007 and was at its lowest, 0.1%, in 2011.

That places Tanzania 143rd out of 195 countries with data for 2022, putting it in the middle of the range.

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

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

Annual values for Chlorophyll-a deviation from the global average in Tanzania, 2005 to 2022.
Year % Change
2005 0.6%
2006 0.1% -77.2%
2007 1.4% +992.3%
2008 0.3% -76.1%
2009 0.3% -17.6%
2010 0.2% -14.3%
2011 0.1% -50.0%
2012 0.6% +375.0%
2013 0.4% -26.3%
2014 0.1% -69.0%
2015 0.8% +492.3%
2016 0.7% -3.9%
2017 0.1% -83.8%
2018 0.5% +341.7%
2019 0.1% -75.5%
2020 0.6% +392.3%
2021 0.1% -79.7%
2022 0.2% +76.9%

Tanzania compared with similar countries

  • Tanzania's 0.2% is below the median for lower middle income countries, which is 1.6%, 14% of the median. (36 countries reporting)
  • Tanzania's 0.2% is below the median for Sub-Saharan Africa, which is 2.3%, 10% of the median. (32 countries reporting)

Biggest year-on-year movements

Years where Chlorophyll-a deviation from the global average in Tanzania 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
2007 +992.3% 0.1% 1.4%

Averages by decade

DecadeAverage LowestHighest Years
2000s 0.5% 0.1% 1.4% 5
2010s 0.4% 0.1% 0.8% 10
2020s 0.3% 0.1% 0.6% 3

Countries ranked near Tanzania

  1. 140 Cuba 0.3% compare
  2. 141 Saint Helena 0.2% compare
  3. 142 Saint Kitts and Nevis 0.2% compare
  4. 144 New Caledonia 0.2% compare
  5. 145 Seychelles 0.2% compare
  6. 145 Turks and Caicos Islands 0.2% compare

See the full ranking of 195 places →

More reference data data for Tanzania

All data for Tanzania →

Frequently asked questions

What is chlorophyll-a deviation from the global average in Tanzania?
Chlorophyll-a deviation from the global average in Tanzania was 0.2% 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 Tanzania?
The highest recorded value was 1.4% in 2007.
What is the lowest chlorophyll-a deviation from the global average recorded in Tanzania?
The lowest recorded value was 0.1% in 2011.
How does Tanzania rank for chlorophyll-a deviation from the global average?
Tanzania ranks 143rd out of 195 countries with data for 2022.
Is chlorophyll-a deviation from the global average rising or falling in Tanzania?
Over the last ten years it is down 59.6%. The long-run trend across the full record is volatile.
Where does this Tanzania 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 Tanzania. 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/tanzania/

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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 (%).