Sierra Leone vs Tonga: CO₂ emissions by sector

Sierra Leone
10,000 tonnes
in 2023
Tonga
10,000 tonnes
in 2023
Sierra Leone rank
171st
Tonga rank
171st

CO₂ emissions by sector over time

  • Sierra Leone
  • Tonga
050.0k100.0k150.0k200.0k199020062023

How they compare

Sierra Leone currently reports 10,000 tonnes against 10,000 tonnes in Tonga, a difference of 0 tonnes.

The two have swapped places 5 times across 34 shared years of data; in 1990 it was Sierra Leone ahead.

Sierra Leone ranks 171st and Tonga ranks 171st of 187 countries.

Sierra Leone has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade Sierra Leone Tonga Difference Ahead
1990s 43,000 tonnes 12,000 tonnes 31,000 tonnes Sierra Leone
2000s 77,000 tonnes 12,000 tonnes 65,000 tonnes Sierra Leone
2010s 10,000 tonnes 10,000 tonnes 0 tonnes
2020s 15,000 tonnes 10,000 tonnes 5,000 tonnes Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher co₂ emissions by sector, Sierra Leone or Tonga?
Sierra Leone, at 10,000 tonnes against 10,000 tonnes in Tonga as of 2023.
What is the difference in co₂ emissions by sector between Sierra Leone and Tonga?
0 tonnes, with Sierra Leone ahead.
How many years of comparable data are there for Sierra Leone and Tonga?
34 years are reported by both, from 1990 to 2023.
How do Sierra Leone and Tonga rank globally for co₂ emissions by sector?
Sierra Leone ranks 171st and Tonga ranks 171st of 187 countries.
Where does this data come from?
Climate Watch (2026) – with major processing by Our World in Data, published as CO₂ emissions by sector. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sierra Leone vs Tonga: CO₂ emissions by sector. Statizoid, drawing on Climate Watch (2026) – with major processing by Our World in Data. Retrieved 23 September 2026, from https://climate.statizoid.com/compare/co-emissions-by-sector/sierra-leone/tonga/

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<a href="https://climate.statizoid.com/compare/co-emissions-by-sector/sierra-leone/tonga/">Sierra Leone vs Tonga: CO₂ emissions by sector</a> — Statizoid

About this data

Indicator
CO₂ emissions by sector
Unit
tonnes
Source
Climate Watch (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
187 places, 6,310 data points, 1990–2023
Last refreshed

Emissions are measured in tonnes.