Chlorophyll-a deviation from the global average in Tonga
Tonga: Chlorophyll-a deviation from the global average was 0.6% in 2022. ◆ Volatile
Chlorophyll-a deviation from the global average in Tonga, 2005–2022
Source: UN Statistics Division – processed by Our World in Data. Measured in %.
Analysis
Tonga recorded 0.6% for chlorophyll-a deviation from the global average in 2022.
The figure is down 86.2% on the previous year and up 194.7% over ten years.
Over the whole period, chlorophyll-a deviation from the global average in Tonga peaked at 5.1% in 2017 and was at its lowest, 0.2%, in 2012.
Tonga ranks 121st of 195 countries on this measure, 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 Tonga, year by year
| Year | % | Change |
|---|---|---|
| 2005 | 2.5% | — |
| 2006 | 1.4% | -45.1% |
| 2007 | 4.5% | +221.6% |
| 2008 | 1.8% | -58.8% |
| 2009 | 0.3% | -84.8% |
| 2010 | 1.0% | +253.6% |
| 2011 | 1.0% | +1.0% |
| 2012 | 0.2% | -81.0% |
| 2013 | 1.0% | +405.3% |
| 2014 | 0.8% | -14.6% |
| 2015 | 3.9% | +376.8% |
| 2016 | 3.5% | -11.0% |
| 2017 | 5.1% | +47.4% |
| 2018 | 3.8% | -26.9% |
| 2019 | 2.4% | -35.5% |
| 2020 | 2.7% | +11.2% |
| 2021 | 4.1% | +51.3% |
| 2022 | 0.6% | -86.2% |
Tonga compared with similar countries
- Tonga's 0.6% is below the median for upper middle income countries, which is 1.8%, 31% of the median. (48 countries reporting)
- Tonga's 0.6% is below the median for East Asia & Pacific, which is 0.6%, 98% of the median. (32 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 2.1% | 0.3% | 4.5% | 5 |
| 2010s | 2.3% | 0.2% | 5.1% | 10 |
| 2020s | 2.4% | 0.6% | 4.1% | 3 |
Countries ranked near Tonga
More reference data data for Tonga
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0105 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.0092 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.0197 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.0197 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0353 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.0269 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.0446 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 0.1068 (2050)
- Emission Totals - Emissions (N2O) - Agricultural Soils 0.0799 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Manure applied 9.35 (2050)
Frequently asked questions
- What is chlorophyll-a deviation from the global average in Tonga?
- Chlorophyll-a deviation from the global average in Tonga was 0.6% 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 Tonga?
- The highest recorded value was 5.1% in 2017.
- What is the lowest chlorophyll-a deviation from the global average recorded in Tonga?
- The lowest recorded value was 0.2% in 2012.
- How does Tonga rank for chlorophyll-a deviation from the global average?
- Tonga ranks 121st out of 195 countries with data for 2022.
- Is chlorophyll-a deviation from the global average rising or falling in Tonga?
- Over the last ten years it is up 194.7%. The long-run trend across the full record is volatile.
- Where does this Tonga 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 (%).