Samoa vs Tonga: Per capita nitrous oxide emissions

Samoa
0.2377 tonnes of CO₂ equivalents per person
in 2024
Tonga
0.2352 tonnes of CO₂ equivalents per person
in 2024
Samoa rank
131st
Tonga rank
133rd

Per capita nitrous oxide emissions over time

  • Samoa
  • Tonga
00.10.20.3185019372024

How they compare

Samoa currently reports 0.2377 tonnes of CO₂ equivalents per person against 0.2352 tonnes of CO₂ equivalents per person in Tonga, a difference of 0.0025 tonnes of CO₂ equivalents per person.

The two have swapped places 10 times across 175 shared years of data; in 1850 it was Samoa ahead.

Samoa ranks 131st and Tonga ranks 133rd of 201 countries.

Across the 18 decades both report, Samoa averaged higher in 16 and Tonga in 2.

Head to head by decade

Decade Samoa Tonga Difference Ahead
1850s 0.0665 tonnes of CO₂ equivalents per person 0.0451 tonnes of CO₂ equivalents per person 0.0214 tonnes of CO₂ equivalents per person Samoa
1860s 0.0753 tonnes of CO₂ equivalents per person 0.0468 tonnes of CO₂ equivalents per person 0.0285 tonnes of CO₂ equivalents per person Samoa
1870s 0.0999 tonnes of CO₂ equivalents per person 0.0568 tonnes of CO₂ equivalents per person 0.0431 tonnes of CO₂ equivalents per person Samoa
1880s 0.138 tonnes of CO₂ equivalents per person 0.0724 tonnes of CO₂ equivalents per person 0.0657 tonnes of CO₂ equivalents per person Samoa
1890s 0.1469 tonnes of CO₂ equivalents per person 0.0706 tonnes of CO₂ equivalents per person 0.0764 tonnes of CO₂ equivalents per person Samoa
1900s 0.1504 tonnes of CO₂ equivalents per person 0.0686 tonnes of CO₂ equivalents per person 0.0819 tonnes of CO₂ equivalents per person Samoa
1910s 0.1754 tonnes of CO₂ equivalents per person 0.075 tonnes of CO₂ equivalents per person 0.1004 tonnes of CO₂ equivalents per person Samoa
1920s 0.1631 tonnes of CO₂ equivalents per person 0.0741 tonnes of CO₂ equivalents per person 0.089 tonnes of CO₂ equivalents per person Samoa
1930s 0.1239 tonnes of CO₂ equivalents per person 0.0674 tonnes of CO₂ equivalents per person 0.0564 tonnes of CO₂ equivalents per person Samoa
1940s 0.1282 tonnes of CO₂ equivalents per person 0.0689 tonnes of CO₂ equivalents per person 0.0593 tonnes of CO₂ equivalents per person Samoa
1950s 0.1471 tonnes of CO₂ equivalents per person 0.0743 tonnes of CO₂ equivalents per person 0.0728 tonnes of CO₂ equivalents per person Samoa
1960s 0.1493 tonnes of CO₂ equivalents per person 0.0822 tonnes of CO₂ equivalents per person 0.0671 tonnes of CO₂ equivalents per person Samoa
1970s 0.1642 tonnes of CO₂ equivalents per person 0.1236 tonnes of CO₂ equivalents per person 0.0406 tonnes of CO₂ equivalents per person Samoa
1980s 0.1937 tonnes of CO₂ equivalents per person 0.1954 tonnes of CO₂ equivalents per person 0.0017 tonnes of CO₂ equivalents per person Tonga
1990s 0.2229 tonnes of CO₂ equivalents per person 0.21 tonnes of CO₂ equivalents per person 0.0129 tonnes of CO₂ equivalents per person Samoa
2000s 0.2367 tonnes of CO₂ equivalents per person 0.201 tonnes of CO₂ equivalents per person 0.0357 tonnes of CO₂ equivalents per person Samoa
2010s 0.2688 tonnes of CO₂ equivalents per person 0.2094 tonnes of CO₂ equivalents per person 0.0595 tonnes of CO₂ equivalents per person Samoa
2020s 0.2261 tonnes of CO₂ equivalents per person 0.23 tonnes of CO₂ equivalents per person 0.0039 tonnes of CO₂ equivalents per person Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher per capita nitrous oxide emissions, Samoa or Tonga?
Samoa, at 0.2377 tonnes of CO₂ equivalents per person against 0.2352 tonnes of CO₂ equivalents per person in Tonga as of 2024.
What is the difference in per capita nitrous oxide emissions between Samoa and Tonga?
0.0025 tonnes of CO₂ equivalents per person, with Samoa ahead.
How many years of comparable data are there for Samoa and Tonga?
175 years are reported by both, from 1850 to 2024.
How do Samoa and Tonga rank globally for per capita nitrous oxide emissions?
Samoa ranks 131st and Tonga ranks 133rd of 201 countries.
Where does this data come from?
Jones et al. (2025); Population based on various sources (2024) – with major processing by Our World in Data, published as Per capita nitrous oxide emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Samoa vs Tonga: Per capita nitrous oxide emissions. Statizoid, drawing on Jones et al. (2025); Population based on various sources (2024) – with major processing by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/compare/per-capita-nitrous-oxide/samoa/tonga/

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About this data

Indicator
Per capita nitrous oxide emissions
Unit
tonnes of CO₂ equivalents per person
Source
Jones et al. (2025); Population based on various sources (2024) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
201 places, 34,339 data points, 1850–2024
Last refreshed

Measured in tonnes per person of carbon dioxide-equivalents over a 100-year timescale.