Singapore vs Tonga: Per capita nitrous oxide emissions

Singapore
0.2293 tonnes of CO₂ equivalents per person
in 2024
Tonga
0.2352 tonnes of CO₂ equivalents per person
in 2024
Singapore rank
135th
Tonga rank
133rd

Per capita nitrous oxide emissions over time

  • Singapore
  • Tonga
0123185019372024

How they compare

Tonga currently reports 0.2352 tonnes of CO₂ equivalents per person against 0.2293 tonnes of CO₂ equivalents per person in Singapore, a difference of 0.0059 tonnes of CO₂ equivalents per person.

The two have swapped places 5 times across 175 shared years of data; in 1850 it was Singapore ahead.

Singapore ranks 135th and Tonga ranks 133rd of 201 countries.

Singapore has averaged higher in every one of the 18 decades both report.

Head to head by decade

Decade Singapore Tonga Difference Ahead
1850s 0.3923 tonnes of CO₂ equivalents per person 0.0451 tonnes of CO₂ equivalents per person 0.3472 tonnes of CO₂ equivalents per person Singapore
1860s 0.3501 tonnes of CO₂ equivalents per person 0.0468 tonnes of CO₂ equivalents per person 0.3033 tonnes of CO₂ equivalents per person Singapore
1870s 0.3074 tonnes of CO₂ equivalents per person 0.0568 tonnes of CO₂ equivalents per person 0.2506 tonnes of CO₂ equivalents per person Singapore
1880s 0.2596 tonnes of CO₂ equivalents per person 0.0724 tonnes of CO₂ equivalents per person 0.1872 tonnes of CO₂ equivalents per person Singapore
1890s 0.2102 tonnes of CO₂ equivalents per person 0.0706 tonnes of CO₂ equivalents per person 0.1397 tonnes of CO₂ equivalents per person Singapore
1900s 0.1673 tonnes of CO₂ equivalents per person 0.0686 tonnes of CO₂ equivalents per person 0.0987 tonnes of CO₂ equivalents per person Singapore
1910s 0.1464 tonnes of CO₂ equivalents per person 0.075 tonnes of CO₂ equivalents per person 0.0714 tonnes of CO₂ equivalents per person Singapore
1920s 0.1309 tonnes of CO₂ equivalents per person 0.0741 tonnes of CO₂ equivalents per person 0.0568 tonnes of CO₂ equivalents per person Singapore
1930s 0.2829 tonnes of CO₂ equivalents per person 0.0674 tonnes of CO₂ equivalents per person 0.2155 tonnes of CO₂ equivalents per person Singapore
1940s 0.6436 tonnes of CO₂ equivalents per person 0.0689 tonnes of CO₂ equivalents per person 0.5747 tonnes of CO₂ equivalents per person Singapore
1950s 0.9545 tonnes of CO₂ equivalents per person 0.0743 tonnes of CO₂ equivalents per person 0.8801 tonnes of CO₂ equivalents per person Singapore
1960s 1.53 tonnes of CO₂ equivalents per person 0.0822 tonnes of CO₂ equivalents per person 1.44 tonnes of CO₂ equivalents per person Singapore
1970s 1.47 tonnes of CO₂ equivalents per person 0.1236 tonnes of CO₂ equivalents per person 1.35 tonnes of CO₂ equivalents per person Singapore
1980s 1.38 tonnes of CO₂ equivalents per person 0.1954 tonnes of CO₂ equivalents per person 1.18 tonnes of CO₂ equivalents per person Singapore
1990s 1.31 tonnes of CO₂ equivalents per person 0.21 tonnes of CO₂ equivalents per person 1.1 tonnes of CO₂ equivalents per person Singapore
2000s 0.6012 tonnes of CO₂ equivalents per person 0.201 tonnes of CO₂ equivalents per person 0.4001 tonnes of CO₂ equivalents per person Singapore
2010s 0.227 tonnes of CO₂ equivalents per person 0.2094 tonnes of CO₂ equivalents per person 0.0176 tonnes of CO₂ equivalents per person Singapore
2020s 0.2353 tonnes of CO₂ equivalents per person 0.23 tonnes of CO₂ equivalents per person 0.0053 tonnes of CO₂ equivalents per person Singapore

Averages of every year both report within each decade.

Frequently asked questions

Which has higher per capita nitrous oxide emissions, Singapore or Tonga?
Tonga, at 0.2352 tonnes of CO₂ equivalents per person against 0.2293 tonnes of CO₂ equivalents per person in Singapore as of 2024.
What is the difference in per capita nitrous oxide emissions between Singapore and Tonga?
0.0059 tonnes of CO₂ equivalents per person, with Tonga ahead.
How many years of comparable data are there for Singapore and Tonga?
175 years are reported by both, from 1850 to 2024.
How do Singapore and Tonga rank globally for per capita nitrous oxide emissions?
Singapore ranks 135th 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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Singapore 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/singapore/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.