Chlorophyll-a deviation from the global average in Reunion

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

Latest (2022)
0.2%
Change on year
up 111.1%
World rank
146th
of 193 countries
All-time high
19.4%
in 2019
All-time low
0.1%
in 2021
Years of data
18
2005–2022

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

051015202005201320222005: 2.4 %2006: 3 %2007: 0.58 %2008: 12.8 %2009: 2.1 %2010: 1.4 %2011: 0.3 %2012: 0.17 %2013: 4.1 %2014: 1.5 %2015: 0.36 %2016: 0.28 %2017: 1.4 %2018: 0.31 %2019: 19.4 %2020: 17.9 %2021: 0.09 %2022: 0.19 %

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

Analysis

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

Compared with earlier readings it is up 111.1% on the previous year and up 11.8% over ten years.

Over the whole period, chlorophyll-a deviation from the global average in Reunion peaked at 19.4% in 2019 and was at its lowest, 0.1%, in 2021.

That places Reunion 146th out of 193 countries with data for 2022, putting it in the bottom quarter.

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

Averages by decade

DecadeAverage LowestHighest Years
2000s 4.2% 0.6% 12.8% 5
2010s 2.9% 0.2% 19.4% 10
2020s 6.1% 0.1% 17.9% 3

Countries ranked near Reunion

  1. 143 Seychelles 0.2% compare
  2. 143 Turks and Caicos Islands 0.2% compare
  3. 145 Niue 0.2% compare
  4. 146 Bonaire Sint Eustatius and Saba 0.2% compare
  5. 148 Iran 0.2% compare
  6. 148 Iraq 0.2% compare
  7. 148 Turkmenistan 0.2% compare

See the full ranking of 193 places →

More reference data data for Reunion

All data for Reunion →

Frequently asked questions

What is chlorophyll-a deviation from the global average in Reunion?
Chlorophyll-a deviation from the global average in Reunion 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 Reunion?
The highest recorded value was 19.4% in 2019.
What is the lowest chlorophyll-a deviation from the global average recorded in Reunion?
The lowest recorded value was 0.1% in 2021.
How does Reunion rank for chlorophyll-a deviation from the global average?
Reunion ranks 146th out of 193 countries with data for 2022.
Is chlorophyll-a deviation from the global average rising or falling in Reunion?
Over the last ten years it is up 11.8%. The long-run trend across the full record is volatile.
Where does this Reunion 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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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
193 places, 3,410 data points, 2005–2022
Last refreshed

Chlorophyll-a deviations, remote sensing (%)