Values: transport CO₂ (t/year), population (persons, dataset-aligned), and transport CO₂ per capita (t/person/year).
| Rank | Economy | Transport CO2 (t/year) | Population (persons) | Transport CO2 per capita (t/person) |
|---|---|---|---|---|
| 1 | Palau | 772652 | 23000 | 33.594 |
| 2 | Gibraltar | 530383 | 35000 | 15.154 |
| 3 | Curaçao | 1210432 | 167000 | 7.248 |
| 4 | Luxembourg | 4315799 | 634000 | 6.807 |
| 5 | Seychelles | 515760 | 98000 | 5.263 |
| 6 | United States | 1678562055 | 340895000 | 4.924 |
| 7 | Qatar | 13020705 | 2984000 | 4.364 |
| 8 | Canada | 166299204 | 38868000 | 4.279 |
| 9 | Kuwait | 19030646 | 4545000 | 4.187 |
| 10 | New Caledonia | 1236013 | 301000 | 4.106 |