Cameroon vs Sierra Leone: Cumulative CO₂ emissions, per unit of GDP

Cameroon
0.0058 tonnes per US$ of GDP
in 2024
Sierra Leone
0.0061 tonnes per US$ of GDP
in 2024
Cameroon rank
150th
Sierra Leone rank
148th

Cumulative CO₂ emissions, per unit of GDP over time

  • Cameroon
  • Sierra Leone
00.010.020.03196019922024

How they compare

Sierra Leone currently reports 0.0061 tonnes per US$ of GDP against 0.0058 tonnes per US$ of GDP in Cameroon, a difference of 0.0003 tonnes per US$ of GDP.

That makes Sierra Leone's figure about 1.1 times Cameroon's.

The two have swapped places 2 times across 65 shared years of data; in 1960 it was Sierra Leone ahead.

Cameroon ranks 150th and Sierra Leone ranks 148th of 202 countries.

Across the 7 decades both report, Cameroon averaged higher in 2 and Sierra Leone in 5.

Head to head by decade

Decade Cameroon Sierra Leone Difference Ahead
1960s 0.0049 tonnes per US$ of GDP 0.0116 tonnes per US$ of GDP 0.0067 tonnes per US$ of GDP Sierra Leone
1970s 0.0046 tonnes per US$ of GDP 0.0156 tonnes per US$ of GDP 0.0111 tonnes per US$ of GDP Sierra Leone
1980s 0.005 tonnes per US$ of GDP 0.0182 tonnes per US$ of GDP 0.0131 tonnes per US$ of GDP Sierra Leone
1990s 0.0076 tonnes per US$ of GDP 0.0264 tonnes per US$ of GDP 0.0188 tonnes per US$ of GDP Sierra Leone
2000s 0.008 tonnes per US$ of GDP 0.0116 tonnes per US$ of GDP 0.0036 tonnes per US$ of GDP Sierra Leone
2010s 0.0064 tonnes per US$ of GDP 0.0051 tonnes per US$ of GDP 0.0013 tonnes per US$ of GDP Cameroon
2020s 0.0063 tonnes per US$ of GDP 0.0058 tonnes per US$ of GDP 0.0005 tonnes per US$ of GDP Cameroon

Averages of every year both report within each decade.

Frequently asked questions

Which has higher cumulative co₂ emissions, per unit of gdp, Cameroon or Sierra Leone?
Sierra Leone, at 0.0061 tonnes per US$ of GDP against 0.0058 tonnes per US$ of GDP in Cameroon as of 2024.
What is the difference in cumulative co₂ emissions, per unit of gdp between Cameroon and Sierra Leone?
0.0003 tonnes per US$ of GDP, with Sierra Leone ahead.
How many years of comparable data are there for Cameroon and Sierra Leone?
65 years are reported by both, from 1960 to 2024.
How do Cameroon and Sierra Leone rank globally for cumulative co₂ emissions, per unit of gdp?
Cameroon ranks 150th and Sierra Leone ranks 148th of 202 countries.
Where does this data come from?
Statizoid (derived), published as Cumulative CO₂ emissions, per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Cameroon vs Sierra Leone: Cumulative CO₂ emissions, per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://climate.statizoid.com/compare/cumulative-co2-emissions-per-unit-of-gdp/cameroon/sierra-leone/

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About this data

Indicator
Cumulative CO₂ emissions, per unit of GDP
Unit
tonnes per US$ of GDP
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
202 places, 11,089 data points, 1960–2024
Last refreshed

Cumulative CO₂ emissions divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.