Greenhouse gas emissions in Tonga
Tonga: Greenhouse gas emissions was 274,878 tonnes of CO₂ equivalents in 2024. ◆ Volatile
Latest (2024)
274,878 tonnes of CO₂ equivalents
Change on year
down 0.2%
World rank
188th
of 199 countries
All-time high
312,726 tonnes of CO₂ equivalents
in 2019
All-time low
38,650 tonnes of CO₂ equivalents
in 1870
Years of data
175
1850–2024
Greenhouse gas emissions in Tonga, 1850–2024
Source: Jones et al. (2025) – with major processing by Our World in Data. Measured in tonnes of CO₂ equivalents.
Analysis
The most recent figure for greenhouse gas emissions in Tonga is 274,878 tonnes of CO₂ equivalents, measured in 2024.
Compared with earlier readings it is down 0.2% on the previous year and down 5.4% over ten years.
Over the whole period, greenhouse gas emissions in Tonga peaked at 312,726 tonnes of CO₂ equivalents in 2019 and was at its lowest, 38,650 tonnes of CO₂ equivalents, in 1870.
Tonga ranks 188th of 199 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1850s | 44,386 tonnes of CO₂ equivalents | 42,709 tonnes of CO₂ equivalents | 49,508 tonnes of CO₂ equivalents | 10 |
| 1860s | 39,586 tonnes of CO₂ equivalents | 38,672 tonnes of CO₂ equivalents | 41,719 tonnes of CO₂ equivalents | 10 |
| 1870s | 39,222 tonnes of CO₂ equivalents | 38,650 tonnes of CO₂ equivalents | 40,099 tonnes of CO₂ equivalents | 10 |
| 1880s | 41,398 tonnes of CO₂ equivalents | 40,314 tonnes of CO₂ equivalents | 42,632 tonnes of CO₂ equivalents | 10 |
| 1890s | 44,262 tonnes of CO₂ equivalents | 43,052 tonnes of CO₂ equivalents | 45,716 tonnes of CO₂ equivalents | 10 |
| 1900s | 47,587 tonnes of CO₂ equivalents | 45,990 tonnes of CO₂ equivalents | 49,473 tonnes of CO₂ equivalents | 10 |
| 1910s | 50,525 tonnes of CO₂ equivalents | 49,468 tonnes of CO₂ equivalents | 52,072 tonnes of CO₂ equivalents | 10 |
| 1920s | 54,337 tonnes of CO₂ equivalents | 52,400 tonnes of CO₂ equivalents | 56,368 tonnes of CO₂ equivalents | 10 |
| 1930s | 59,198 tonnes of CO₂ equivalents | 56,649 tonnes of CO₂ equivalents | 61,478 tonnes of CO₂ equivalents | 10 |
| 1940s | 65,543 tonnes of CO₂ equivalents | 61,737 tonnes of CO₂ equivalents | 69,716 tonnes of CO₂ equivalents | 10 |
| 1950s | 169,536 tonnes of CO₂ equivalents | 101,644 tonnes of CO₂ equivalents | 274,517 tonnes of CO₂ equivalents | 10 |
| 1960s | 198,033 tonnes of CO₂ equivalents | 166,790 tonnes of CO₂ equivalents | 224,925 tonnes of CO₂ equivalents | 10 |
| 1970s | 163,989 tonnes of CO₂ equivalents | 146,501 tonnes of CO₂ equivalents | 193,403 tonnes of CO₂ equivalents | 10 |
| 1980s | 168,440 tonnes of CO₂ equivalents | 142,441 tonnes of CO₂ equivalents | 203,774 tonnes of CO₂ equivalents | 10 |
| 1990s | 182,476 tonnes of CO₂ equivalents | 149,615 tonnes of CO₂ equivalents | 212,873 tonnes of CO₂ equivalents | 10 |
| 2000s | 213,803 tonnes of CO₂ equivalents | 169,847 tonnes of CO₂ equivalents | 257,592 tonnes of CO₂ equivalents | 10 |
| 2010s | 285,907 tonnes of CO₂ equivalents | 250,391 tonnes of CO₂ equivalents | 312,726 tonnes of CO₂ equivalents | 10 |
| 2020s | 280,065 tonnes of CO₂ equivalents | 274,878 tonnes of CO₂ equivalents | 285,945 tonnes of CO₂ equivalents | 5 |
Countries ranked near Tonga
- 185 Saint Kitts and Nevis 297,336 tonnes of CO₂ equivalents compare
- 186 Palau 293,758 tonnes of CO₂ equivalents compare
- 187 Saint Vincent and the Grenadines 280,473 tonnes of CO₂ equivalents compare
- 189 British Virgin Islands 208,716 tonnes of CO₂ equivalents compare
- 190 Micronesia (country) 207,206 tonnes of CO₂ equivalents compare
- 191 Dominica 204,967 tonnes of CO₂ equivalents compare
More climate change data for Tonga
- Share of global CO₂ emissions and population 0.0% (2100)
- Population growth -0.4% (2025)
- Population, total 103,742 (2025)
- Urban population growth -0.4% (2025)
- Urban population 21,948 (2025)
- Urban population 21.2% (2025)
- CO₂ emissions per capita vs. GDP per capita 1.46 tonnes per person (2024)
- Cumulative CO₂ emissions 4.92 million tonnes (2024)
- CO₂ emissions per capita 1.46 tonnes per person (2024)
- CO₂ emissions per capita vs. share of electricity generation from renewables 1.46 tonnes per person (2024)
Frequently asked questions
- What is greenhouse gas emissions in Tonga?
- Greenhouse gas emissions in Tonga was 274,878 tonnes of CO₂ equivalents in 2024, according to Jones et al. (2025) – with major processing by Our World in Data.
- What is the highest greenhouse gas emissions recorded in Tonga?
- The highest recorded value was 312,726 tonnes of CO₂ equivalents in 2019.
- What is the lowest greenhouse gas emissions recorded in Tonga?
- The lowest recorded value was 38,650 tonnes of CO₂ equivalents in 1870.
- How does Tonga rank for greenhouse gas emissions?
- Tonga ranks 188th out of 199 countries with data for 2024.
- Is greenhouse gas emissions rising or falling in Tonga?
- Over the last ten years it is down 5.4%. The long-run trend across the full record is volatile.
- Where does this Tonga data come from?
- The figures come from Jones et al. (2025) – with major processing by Our World in Data, published as part of Greenhouse gas emissions. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 175 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Greenhouse gas emissions are measured in tonnes of carbon dioxide-equivalents over a 100-year timescale.