Live estimate
Sierra Leone CO₂ Emissions
Sierra Leone emitted 1.4 million tonnes of CO₂ from fossil fuels and industry in 2024: 0.0% of the world total, the 162nd most of 213 countries. That is 0.2 tonnes per person, 96% below the world average of 4.7 t.
Estimated CO₂ emitted by Sierra Leone in 2026 so far
0
0 tonnes since you opened this page · 0 t every second
CO₂ in 2024
1.4 Mt
1.4 million tonnes
World rank
#162
of 213 countries
Share of world
0.0%
world total 38.6 Gt
Per person
0.2 t
world average 4.7 t
Change vs 2023
+0.0%
2023: 1.4 Mt
Historical share
0.0%
#165 since 1750
Trend since 2000
Emissions were roughly flat in 2024 (+0.0% on 2023). Compared with 2005, emissions are up 250%. Emissions peaked in 2021 at 1.5 million tonnes and are now 7% lower.
Show yearly data (million tonnes)
| Year | CO₂ (Mt) |
|---|---|
| 2024 | 1.4 |
| 2023 | 1.4 |
| 2022 | 1.4 |
| 2021 | 1.5 |
| 2020 | 1.2 |
| 2019 | 1.1 |
| 2018 | 1.0 |
| 2017 | 1.1 |
| 2016 | 1.1 |
| 2015 | 1.1 |
| 2014 | 1.1 |
| 2013 | 1.1 |
| 2012 | 0.8 |
| 2011 | 0.7 |
| 2010 | 0.5 |
| 2009 | 0.5 |
| 2008 | 0.5 |
| 2007 | 0.5 |
| 2006 | 0.6 |
| 2005 | 0.4 |
| 2004 | 0.5 |
| 2003 | 0.5 |
| 2002 | 0.5 |
| 2001 | 0.4 |
| 2000 | 0.3 |
Where it comes from
Oil is the largest source of Sierra Leone’s CO₂, at 100%.
- Oil100%1.4 Mt
How Sierra Leone compares
| Rank | Country | CO₂ 2024 | Share | Per person |
|---|---|---|---|---|
| 160 | Bhutan | 1.7 Mt | 0.0% | 2.1 t |
| 161 | Fiji | 1.4 Mt | 0.0% | 1.6 t |
| 162 | Sierra Leone | 1.4 Mt | 0.0% | 0.2 t |
| 163 | Barbados | 1.4 Mt | 0.0% | 4.8 t |
| 164 | Somalia | 1.3 Mt | 0.0% | 0.1 t |
Questions and answers
How much CO₂ does Sierra Leone emit?
Sierra Leone emitted 1.4 million tonnes of CO₂ from fossil fuels and industry in 2024, 0.0% of global emissions. That is about 0 tonnes every second.
What are Sierra Leone’s CO₂ emissions per person?
Sierra Leone emits 0.2 tonnes per person, 96% below the world average of 4.7 t. Per-person emissions divide the national total by population (8.6 million people in 2024).
Are Sierra Leone’s CO₂ emissions rising or falling?
Emissions were roughly flat in 2024 (+0.0% on 2023). Compared with 2005, emissions are up 250%. Emissions peaked in 2021 at 1.5 million tonnes and are now 7% lower.
What is the main source of CO₂ emissions in Sierra Leone?
Oil is the largest source, at 100% of Sierra Leone’s fossil and industry CO₂ in 2024 (1.4 million tonnes).
How much has Sierra Leone contributed to historical CO₂ emissions?
Since 1750, Sierra Leone has emitted about 0 billion tonnes of fossil CO₂, 0.0% of the world total, the 165th largest historical contribution.
Related reading
Data: Our World in Data, based on the Global Carbon Project (Global Carbon Budget 2025), CC BY 4.0. Annual figures are fossil-fuel and industry CO₂ for 2024, the latest complete year. Live counters are estimates that assume 2024 emission rates continue. How the counter works →