Saint Helena CO₂ Emissions
Saint Helena emitted 11 thousand tonnes of CO₂ in 2024, less than 0.01% of the global total. That ranks it 211th of 213 countries and territories and works out at 2.17 tonnes per person.
Data year 2024 · Source: Global Carbon Budget (2025) via Our World in Data
How much CO₂ does Saint Helena emit?
Saint Helena produced 11 thousand tonnes of carbon dioxide from fossil fuels and industry in 2024. The world total was 38.6 billion tonnes, so Saint Helena accounts for less than 0.01% of it.
With a population of about 5,262, that is 2.17 tonnes per person, 54% below the world average of 4.73 tonnes.
CO₂ emissions in Saint Helena since 1990
Annual emissions in Saint Helena have risen by 57% since 1990, from 7 thousand tonnes to 11 thousand tonnes. Over the last ten years, from 2014 to 2024, they have changed by less than 1%. Emissions peaked in 2016 at 15 thousand tonnes and are now 27% below that level.
Where the CO₂ comes from
Oil is the only recorded source of CO₂ from fossil fuels and industry in Saint Helena.
How Saint Helena compares with other countries
These are the countries closest to Saint Helena in the 2024 ranking by total emissions. See the full ranking of all 213 countries.
| # | Country | Total (Mt) | Share of world | Per person (t) |
|---|---|---|---|---|
| 209 | Wallis and Futuna | 0.03 | <0.01% | 2.70 |
| 210 | Montserrat | 0.03 | <0.01% | 6.02 |
| 211 | Saint Helena | 0.01 | <0.01% | 2.17 |
| 212 | Tuvalu | 0.01 | <0.01% | 1.18 |
| 213 | Niue | 0.01 | <0.01% | 4.14 |
Historical emissions
Carbon dioxide stays in the atmosphere for a long time, so past emissions matter as well as current ones. Since records began, Saint Helena has emitted about 422 thousand tonnes of CO₂ from fossil fuels and industry. That is less than 0.01% of the cumulative global total, compared with less than 0.01% of emissions in 2024.
Frequently asked questions
How much CO₂ does Saint Helena emit per year?
Saint Helena emitted 11 thousand tonnes of CO₂ from fossil fuels and industry in 2024. That is less than 0.01% of global emissions.
What are the CO₂ emissions per person in Saint Helena?
About 2.17 tonnes of CO₂ per person in 2024, which is 54% below the world average of 4.73 tonnes.
Are CO₂ emissions in Saint Helena rising or falling?
They have changed by less than 1% over the last ten years and risen by 57% since 1990. Emissions peaked in 2016 at 15 thousand tonnes and are now 27% below that level.
About the data. Figures are annual carbon dioxide emissions from burning fossil fuels and from industry, such as cement production. They are counted where the emissions happen and do not include land-use change, other greenhouse gases, or emissions from imported goods.
Source: Global Carbon Budget (2025), processed by Our World in Data and used under the CC BY 4.0 licence. Latest year available: 2024.
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