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

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.

Individual pages

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: 07 August 2026

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