CO₂ emissions by sector in Tonga
Tonga: CO₂ emissions by sector was 10,000 tonnes in 2023. ▼ Falling
Latest (2023)
10,000 tonnes
Change on year
unchanged
World rank
171st
of 187 countries
All-time high
20,000 tonnes
in 1998
All-time low
10,000 tonnes
in 1990
Years of data
34
1990–2023
CO₂ emissions by sector in Tonga, 1990–2023
Source: Climate Watch (2026) – with major processing by Our World in Data. Measured in tonnes.
Analysis
Tonga recorded 10,000 tonnes for co₂ emissions by sector in 2023. That is the lowest value across all 34 years on record.
The figure is unchanged over ten years.
Over the whole period, co₂ emissions by sector in Tonga peaked at 20,000 tonnes in 1998 and was at its lowest, 10,000 tonnes, in 1990.
Tonga ranks 171st of 187 countries on this measure, in the bottom quarter.
The long-run direction has been consistently falling across the 34 years of available data.
CO₂ emissions by sector in Tonga, year by year
| Year | tonnes | Change |
|---|---|---|
| 1990 | 10,000 tonnes | — |
| 1991 | 10,000 tonnes | +0.0% |
| 1992 | 10,000 tonnes | +0.0% |
| 1993 | 10,000 tonnes | +0.0% |
| 1994 | 10,000 tonnes | +0.0% |
| 1995 | 10,000 tonnes | +0.0% |
| 1996 | 10,000 tonnes | +0.0% |
| 1997 | 10,000 tonnes | +0.0% |
| 1998 | 20,000 tonnes | +100.0% |
| 1999 | 20,000 tonnes | +0.0% |
| 2000 | 20,000 tonnes | +0.0% |
| 2001 | 10,000 tonnes | -50.0% |
| 2002 | 10,000 tonnes | +0.0% |
| 2003 | 10,000 tonnes | +0.0% |
| 2004 | 10,000 tonnes | +0.0% |
| 2005 | 10,000 tonnes | +0.0% |
| 2006 | 10,000 tonnes | +0.0% |
| 2007 | 10,000 tonnes | +0.0% |
| 2008 | 10,000 tonnes | +0.0% |
| 2009 | 20,000 tonnes | +100.0% |
| 2010 | 10,000 tonnes | -50.0% |
| 2011 | 10,000 tonnes | +0.0% |
| 2012 | 10,000 tonnes | +0.0% |
| 2013 | 10,000 tonnes | +0.0% |
| 2014 | 10,000 tonnes | +0.0% |
| 2015 | 10,000 tonnes | +0.0% |
| 2016 | 10,000 tonnes | +0.0% |
| 2017 | 10,000 tonnes | +0.0% |
| 2018 | 10,000 tonnes | +0.0% |
| 2019 | 10,000 tonnes | +0.0% |
| 2020 | 10,000 tonnes | +0.0% |
| 2021 | 10,000 tonnes | +0.0% |
| 2022 | 10,000 tonnes | +0.0% |
| 2023 | 10,000 tonnes | +0.0% |
Tonga compared with similar countries
- Tonga's 10,000 tonnes is below the median for upper middle income countries, which is 1.35 million tonnes, 1% of the median. (57 countries reporting)
- Tonga's 10,000 tonnes is below the median for East Asia & Pacific, which is 405,000 tonnes, 2% of the median. (28 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 12,000 tonnes | 10,000 tonnes | 20,000 tonnes | 10 |
| 2000s | 12,000 tonnes | 10,000 tonnes | 20,000 tonnes | 10 |
| 2010s | 10,000 tonnes | 10,000 tonnes | 10,000 tonnes | 10 |
| 2020s | 10,000 tonnes | 10,000 tonnes | 10,000 tonnes | 4 |
Countries ranked near Tonga
More climate change data for Tonga
- Nutrient nitrogen N (total) — Synthetic fertilizers (Agricultural) 0 kg (2050)
- Emissions from livestock — Emissions (CO2eq) 138.67 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from N2O 28.3 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from CH4 110.37 kt (2050)
- Emissions from livestock — Emissions 0.1068 kt (2050)
- Emissions from livestock — Emissions 3.94 kt (2050)
- Emissions from crops — Emissions (CO2eq) 0 kt (2050)
- Emissions from crops — Emissions (CO2eq) from N2O 0 kt (2050)
- Emissions from crops — Emissions 0 kt (2050)
- Synthetic Fertilizers — Emissions (CO2eq) 0 kt (2050)
Frequently asked questions
- What is co₂ emissions by sector in Tonga?
- Co₂ emissions by sector in Tonga was 10,000 tonnes in 2023, according to Climate Watch (2026) – with major processing by Our World in Data.
- What is the highest co₂ emissions by sector recorded in Tonga?
- The highest recorded value was 20,000 tonnes in 1998.
- What is the lowest co₂ emissions by sector recorded in Tonga?
- The lowest recorded value was 10,000 tonnes in 1990.
- How does Tonga rank for co₂ emissions by sector?
- Tonga ranks 171st out of 187 countries with data for 2023.
- Is co₂ emissions by sector rising or falling in Tonga?
- Over the last ten years it is unchanged. The long-run trend across the full record is falling.
- Where does this Tonga data come from?
- The figures come from Climate Watch (2026) – with major processing by Our World in Data, published as part of CO₂ emissions by sector. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 34 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Emissions are measured in tonnes.