Chlorophyll-a deviation from the global average in Tuvalu
Tuvalu: Chlorophyll-a deviation from the global average was 0.1% in 2022. ◆ Volatile
Chlorophyll-a deviation from the global average in Tuvalu, 2005–2022
Source: UN Statistics Division – processed by Our World in Data. Measured in %.
Analysis
In 2022, chlorophyll-a deviation from the global average in Tuvalu stood at 0.1%.
That represents a change of down 94.4% on the previous year and down 44.4% over ten years.
Over the whole period, chlorophyll-a deviation from the global average in Tuvalu peaked at 2.8% in 2011 and was at its lowest, 0.0%, in 2017.
Tuvalu ranks 171st of 195 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Chlorophyll-a deviation from the global average in Tuvalu, year by year
| Year | % | Change |
|---|---|---|
| 2005 | 1.5% | — |
| 2006 | 0.2% | -88.2% |
| 2007 | 0.5% | +188.9% |
| 2008 | 0.9% | +71.2% |
| 2009 | 0.8% | -15.7% |
| 2010 | 2.6% | +248.0% |
| 2011 | 2.8% | +8.0% |
| 2012 | 0.1% | -96.8% |
| 2013 | 0.2% | +77.8% |
| 2014 | 0.1% | -56.2% |
| 2015 | 1.4% | +1842.9% |
| 2016 | 0.6% | -54.4% |
| 2017 | 0.0% | -96.8% |
| 2018 | 0.0% | +0.0% |
| 2019 | 0.0% | +50.0% |
| 2020 | 0.1% | +133.3% |
| 2021 | 0.9% | +1185.7% |
| 2022 | 0.1% | -94.4% |
Tuvalu compared with similar countries
- Tuvalu's 0.1% is below the median for upper middle income countries, which is 1.8%, 3% of the median. (48 countries reporting)
- Tuvalu's 0.1% is below the median for East Asia & Pacific, which is 0.6%, 9% of the median. (32 countries reporting)
Biggest year-on-year movements
Years where Chlorophyll-a deviation from the global average in Tuvalu 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.
| Year | Change | From | To |
|---|---|---|---|
| 2015 | +1842.9% | 0.1% | 1.4% |
| 2021 | +1185.7% | 0.1% | 0.9% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 0.8% | 0.2% | 1.5% | 5 |
| 2010s | 0.8% | 0.0% | 2.8% | 10 |
| 2020s | 0.3% | 0.1% | 0.9% | 3 |
Countries ranked near Tuvalu
More reference data data for Tuvalu
- Emission Totals - Emissions (N2O) - Agricultural Soils 0.0055 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Manure applied 1.45 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.0016 (2050)
- Emission Totals - Direct emissions (N2O) - Agricultural Soils 0.0039 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - Manure left on Pasture 0.0202 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - Manure applied to Soils 1.45 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - IPCC Agriculture 2.51 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - Manure Management 12.65 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 0.0095 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0055 (2050)
Frequently asked questions
- What is chlorophyll-a deviation from the global average in Tuvalu?
- Chlorophyll-a deviation from the global average in Tuvalu was 0.1% 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 Tuvalu?
- The highest recorded value was 2.8% in 2011.
- What is the lowest chlorophyll-a deviation from the global average recorded in Tuvalu?
- The lowest recorded value was 0.0% in 2017.
- How does Tuvalu rank for chlorophyll-a deviation from the global average?
- Tuvalu ranks 171st out of 195 countries with data for 2022.
- Is chlorophyll-a deviation from the global average rising or falling in Tuvalu?
- Over the last ten years it is down 44.4%. The long-run trend across the full record is volatile.
- Where does this Tuvalu 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.
Download this data
CSV · JSON — 18 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Chlorophyll-a deviations, remote sensing (%).