Sierra Leone vs Tonga: Per capita CO₂ emissions by source

Sierra Leone

0 tonnes per person

in 2004

Tonga

0 tonnes per person

in 1989

Sierra Leone rank

141st

Tonga rank

141st

Per capita CO₂ emissions by source over time

Sierra Leone currently reports 0 tonnes per person against 0 tonnes per person in Tonga, a difference of 0 tonnes per person.

Across all 20 years both countries report, Tonga has been ahead every year.

Sierra Leone ranks 141st and Tonga ranks 141st of 179 countries.

Indicator: Per capita CO₂ emissions by source
Unit: tonnes per person
Source: Global Carbon Budget (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: 179 places, 17,915 data points, 1750–2024
Last refreshed: 07 August 2026

Annual emissions of carbon dioxide (CO₂) from coal, measured in tonnes per person.