Nations ranked by GHG emissions per US$1,000 of GDP at 2017 PPP; t CO₂e, 2024, excluding land use.
National greenhouse-gas emissions intensity compares emissions with economic output across seven leading nations in 2024. Values are tonnes of carbon-dioxide equivalent per US$1,000 of GDP at constant 2017 purchasing power, excluding land-use change and forestry. Palau ranks first at 5.11, more than twice the Central African Republic’s 2.26. Eritrea ranks seventh at 0.87, making the leader 5.88 times higher.
| Rank | Entry | Value | Period |
|---|---|---|---|
| 1 | Palau | 5.11 | 2024 |
| 2 | Central African Republic | 2.26 | 2024 |
| 3 | Chad | 1.95 | 2024 |
| 4 | Mongolia | 1.76 | 2024 |
| 5 | Somalia | 1.29 | 2024 |
| 6 | Libya | 1.08 | 2024 |
| 7 | Eritrea | 0.87 | 2024 |
Source 1: GHG Emissions of All World Countries 2025
Publisher: European Commission Joint Research Centre
Dataset/table: National greenhouse-gas intensity by GDP
Units: t CO₂eq per k$ constant 2017 PPP
Date checked: 2026-07-17
Evidence: Provides the 2024 national GHG-intensity values and PPP-adjusted GDP basis.
Carbon-dioxide equivalent combines greenhouse gases using a common warming basis. GDP is measured at constant 2017 purchasing-power parity, and land use, land-use change and forestry are excluded.
The 2024 EDGAR national intensity measure was ordered from highest to lowest after excluding combined and non-sovereign entries. The seven highest sovereign-nation values are included.
Every value uses the same EDGAR release, 2024 period, emissions scope, unit and PPP-adjusted GDP basis.
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