Sierra Leone vs Slovenia: Greenhouse gas emissions

Sierra Leone
16.29 million tonnes of CO₂ equivalents
in 2024
Slovenia
18.11 million tonnes of CO₂ equivalents
in 2024
Sierra Leone rank
134th
Slovenia rank
132nd

Greenhouse gas emissions over time

  • Sierra Leone
  • Slovenia
020.0M40.0M60.0M80.0M185019372024

How they compare

Slovenia currently reports 18.11 million tonnes of CO₂ equivalents against 16.29 million tonnes of CO₂ equivalents in Sierra Leone, a difference of 1.82 million tonnes of CO₂ equivalents.

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

The two have swapped places 5 times across 175 shared years of data; in 1850 it was Sierra Leone ahead.

Sierra Leone ranks 134th and Slovenia ranks 132nd of 199 countries.

Across the 18 decades both report, Sierra Leone averaged higher in 10 and Slovenia in 8.

Head to head by decade

Decade Sierra Leone Slovenia Difference Ahead
1850s 44.67 million tonnes of CO₂ equivalents 1.38 million tonnes of CO₂ equivalents 43.29 million tonnes of CO₂ equivalents Sierra Leone
1860s 12.28 million tonnes of CO₂ equivalents 1.60 million tonnes of CO₂ equivalents 10.68 million tonnes of CO₂ equivalents Sierra Leone
1870s 4.85 million tonnes of CO₂ equivalents 2.03 million tonnes of CO₂ equivalents 2.81 million tonnes of CO₂ equivalents Sierra Leone
1880s 3.88 million tonnes of CO₂ equivalents 2.52 million tonnes of CO₂ equivalents 1.36 million tonnes of CO₂ equivalents Sierra Leone
1890s 3.07 million tonnes of CO₂ equivalents 2.97 million tonnes of CO₂ equivalents 97,575 tonnes of CO₂ equivalents Sierra Leone
1900s 2.58 million tonnes of CO₂ equivalents 3.39 million tonnes of CO₂ equivalents 807,724 tonnes of CO₂ equivalents Slovenia
1910s 1.75 million tonnes of CO₂ equivalents 3.82 million tonnes of CO₂ equivalents 2.07 million tonnes of CO₂ equivalents Slovenia
1920s 6.47 million tonnes of CO₂ equivalents 5.09 million tonnes of CO₂ equivalents 1.38 million tonnes of CO₂ equivalents Sierra Leone
1930s 7.28 million tonnes of CO₂ equivalents 5.20 million tonnes of CO₂ equivalents 2.08 million tonnes of CO₂ equivalents Sierra Leone
1940s 9.35 million tonnes of CO₂ equivalents 5.57 million tonnes of CO₂ equivalents 3.78 million tonnes of CO₂ equivalents Sierra Leone
1950s 7.46 million tonnes of CO₂ equivalents 7.83 million tonnes of CO₂ equivalents 376,505 tonnes of CO₂ equivalents Slovenia
1960s 7.83 million tonnes of CO₂ equivalents 11.06 million tonnes of CO₂ equivalents 3.23 million tonnes of CO₂ equivalents Slovenia
1970s 8.87 million tonnes of CO₂ equivalents 16.69 million tonnes of CO₂ equivalents 7.82 million tonnes of CO₂ equivalents Slovenia
1980s 10.95 million tonnes of CO₂ equivalents 21.10 million tonnes of CO₂ equivalents 10.16 million tonnes of CO₂ equivalents Slovenia
1990s 8.99 million tonnes of CO₂ equivalents 19.11 million tonnes of CO₂ equivalents 10.12 million tonnes of CO₂ equivalents Slovenia
2000s 55.40 million tonnes of CO₂ equivalents 22.95 million tonnes of CO₂ equivalents 32.45 million tonnes of CO₂ equivalents Sierra Leone
2010s 23.21 million tonnes of CO₂ equivalents 23.20 million tonnes of CO₂ equivalents 10,100 tonnes of CO₂ equivalents Sierra Leone
2020s 16.30 million tonnes of CO₂ equivalents 18.82 million tonnes of CO₂ equivalents 2.52 million tonnes of CO₂ equivalents Slovenia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher greenhouse gas emissions, Sierra Leone or Slovenia?
Slovenia, at 18.11 million tonnes of CO₂ equivalents against 16.29 million tonnes of CO₂ equivalents in Sierra Leone as of 2024.
What is the difference in greenhouse gas emissions between Sierra Leone and Slovenia?
1.82 million tonnes of CO₂ equivalents, with Slovenia ahead.
How many years of comparable data are there for Sierra Leone and Slovenia?
175 years are reported by both, from 1850 to 2024.
How do Sierra Leone and Slovenia rank globally for greenhouse gas emissions?
Sierra Leone ranks 134th and Slovenia ranks 132nd of 199 countries.
Where does this data come from?
Jones et al. (2025) – with major processing by Our World in Data, published as Greenhouse gas emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator
Greenhouse gas emissions
Unit
tonnes of CO₂ equivalents
Source
Jones et al. (2025) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
199 places, 34,825 data points, 1850–2024
Last refreshed

Greenhouse gas emissions are measured in tonnes of carbon dioxide-equivalents over a 100-year timescale.