Nauru vs Tonga: Cumulative CO₂ emissions

Nauru

5.07 million tonnes

in 2024

Tonga

4.92 million tonnes

in 2024

Nauru rank

200th

Tonga rank

201st

Cumulative CO₂ emissions over time

Nauru currently reports 5.07 million tonnes against 4.92 million tonnes in Tonga, a difference of 151,800 tonnes.

The two have swapped places 1 time across 61 shared years of data; in 1964 it was Tonga ahead.

Nauru ranks 200th and Tonga ranks 201st of 215 countries.

Indicator: Cumulative CO₂ emissions
Unit: tonnes
Source: Global Carbon Budget (2025) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 215 places, 23,408 data points, 1750–2024
Last refreshed: 07 August 2026

Total cumulative emissions of carbon dioxide (CO₂), excluding land-use change, since the first year of available data, measured in tonnes.