Saint Helena, Ascension and Tristan da Cunha Greenhouse Gas Emissions

Total GHG Emissions (2024)
21,008
tons CO₂eq
Year-over-Year
+1.14%
increase
Global Share
< 0.01%
Per Capita
5.25
tons per person

Greenhouse Gas Emissions by Gas

Greenhouse Gas Emissions by Sector


  • GHG emissions in Saint Helena, Ascension and Tristan da Cunha were 21,008 tons CO₂eq in 2024.
  • Emissions increased by 1.1% over the previous year, representing an increase by 236 tons over 2023, when GHG emissions were 20,772 tons.
  • Per capita: 5.25 tons CO₂eq (vs global avg 6.56 t).
  • Saint Helena, Ascension and Tristan da Cunha accounts for < 0.01% of global GHG emissions.

Greenhouse Gas Emissions by Year

YearGHG Total (tons)CO₂CH₄N₂OF-gasesPer CapitaChangeGlobal Share
202421,00817,5732,475961–5.251.14%< 0.01%
202320,77217,3412,471960–5.190.18%< 0.01%
202220,73517,2872,489959–5.186.85%< 0.01%
202119,40515,9442,527934–4.851.69%< 0.01%
202019,08315,5892,543950–4.62−6.53%< 0.01%
201920,41716,9252,518974–4.98−1.25%< 0.01%
201820,67517,2092,494972–5.074.51%< 0.01%
201719,78316,3652,461958–4.893.88%< 0.01%
201619,04415,6752,429940–4.723.88%< 0.01%
201518,33314,9962,427910–4.540.51%< 0.01%
201418,24114,8782,444918–4.5−0.12%< 0.01%
201318,26314,8972,449917–4.4818.4%< 0.01%
201215,42412,2112,336878–3.751.3%< 0.01%
201115,22712,0312,321875–3.673.71%< 0.01%
201014,68211,4992,328855–3.516.35%< 0.01%
200913,80510,6212,348837–3.311.37%< 0.01%
200813,61810,3972,393828–3.274.06%< 0.01%
200713,0879,9382,354795–3.1412.17%< 0.01%
200611,6678,5392,351777–2.78−9.75%< 0.01%
200512,9279,7272,399801–3.025.11%< 0.01%
200412,2989,1092,401788–2.7912.39%< 0.01%
200310,9438,0002,176767–2.394.72%< 0.01%
200210,4507,5402,150761–2.180.43%< 0.01%
200110,4067,5202,127759–2.09−26.99%< 0.01%
200014,25211,2372,227788–2.79108.9%< 0.01%
19996,8234,1082,052662–1.313.81%< 0.01%
19986,5723,8422,066664–1.250.83%< 0.01%
19976,5183,8372,032650–1.243.14%< 0.01%
19966,3203,5012,128690–1.2−27.47%< 0.01%
19958,7145,8462,144725–1.654.57%< 0.01%
19948,3335,5652,078690–1.56−15.18%< 0.01%
19939,8256,4612,513851–1.8315.63%< 0.01%
19928,4975,1712,509817–1.56−3.39%< 0.01%
19918,7955,4432,530822–1.6−33.91%< 0.01%
199013,3079,5402,808960–2.448.18%< 0.01%
19898,9815,2102,841929–1.611.24%< 0.01%
19888,8715,1272,828916–1.598.38%< 0.01%
19878,1854,5822,754849–1.4621.95%< 0.01%
19866,7123,2622,645806–1.25.05%< 0.01%
19856,3902,9432,648799–1.145%< 0.01%
19846,0852,6442,645797–1.1−11.95%< 0.01%
19836,9112,9632,999948–1.2619.31%< 0.01%
19825,7931,8343,008951–1.07−1.23%< 0.01%
19815,8652,0712,867926–1.09−17.6%< 0.01%
19807,1183,2362,899982–1.343.58%< 0.01%
19796,8723,0152,887970–1.35.35%< 0.01%
19786,5232,8482,759915–1.24−3.59%< 0.01%
19776,7663,3712,555839–1.2931.61%< 0.01%
19765,1411,8432,502795–0.99−6.28%< 0.01%
19755,4852,3202,407759–1.06−2.84%< 0.01%
19745,6462,6662,272708–1.14.94%< 0.01%
19735,3802,4982,201681–1.06−0.29%< 0.01%
19725,3952,2412,412742–1.08−7.39%< 0.01%
19715,8262,7712,347708–1.182%< 0.01%
19705,7112,7702,269671–1.17–< 0.01%

See also


Sources

  • Crippa M., Guizzardi D., Pagani F., Banja M., Muntean M., et al., GHG emissions of all world countries – JRC/IEA 2025 Report, European Commission, 2025. DOI. Data: EDGAR_2025_GHG.
  • CO2 emissions from fuel combustion based on IEA (2024) Greenhouse Gas Emissions from Energy, as modified by the Joint Research Centre (IEA-EDGAR CO2, v4).