Portugal vs Tonga: Carbon intensity vs. GDP per capita
Portugal
165.7 grams of CO₂ per kilowatt-hour
in 2024
Tonga
165.46 grams of CO₂ per kilowatt-hour
in 2024
Portugal rank
162nd
Tonga rank
163rd
Carbon intensity vs. GDP per capita over time
- Portugal
- Tonga
How they compare
Portugal currently reports 165.7 grams of CO₂ per kilowatt-hour against 165.46 grams of CO₂ per kilowatt-hour in Tonga, a difference of 0.24 grams of CO₂ per kilowatt-hour.
The two have swapped places 5 times across 45 shared years of data; in 1980 it was Tonga ahead.
Portugal ranks 162nd and Tonga ranks 163rd of 204 countries.
Across the 5 decades both report, Portugal averaged higher in 4 and Tonga in 1.
Head to head by decade
| Decade | Portugal | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 223.05 grams of CO₂ per kilowatt-hour | 262.36 grams of CO₂ per kilowatt-hour | 39.31 grams of CO₂ per kilowatt-hour | Tonga |
| 1990s | 240.7 grams of CO₂ per kilowatt-hour | 189.34 grams of CO₂ per kilowatt-hour | 51.36 grams of CO₂ per kilowatt-hour | Portugal |
| 2000s | 236.2 grams of CO₂ per kilowatt-hour | 220.25 grams of CO₂ per kilowatt-hour | 15.95 grams of CO₂ per kilowatt-hour | Portugal |
| 2010s | 199.33 grams of CO₂ per kilowatt-hour | 157.29 grams of CO₂ per kilowatt-hour | 42.03 grams of CO₂ per kilowatt-hour | Portugal |
| 2020s | 177.09 grams of CO₂ per kilowatt-hour | 176.06 grams of CO₂ per kilowatt-hour | 1.03 grams of CO₂ per kilowatt-hour | Portugal |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher carbon intensity vs. gdp per capita, Portugal or Tonga?
- Portugal, at 165.7 grams of CO₂ per kilowatt-hour against 165.46 grams of CO₂ per kilowatt-hour in Tonga as of 2024.
- What is the difference in carbon intensity vs. gdp per capita between Portugal and Tonga?
- 0.24 grams of CO₂ per kilowatt-hour, with Portugal ahead.
- How many years of comparable data are there for Portugal and Tonga?
- 45 years are reported by both, from 1980 to 2024.
- How do Portugal and Tonga rank globally for carbon intensity vs. gdp per capita?
- Portugal ranks 162nd and Tonga ranks 163rd of 204 countries.
- Where does this data come from?
- Global Carbon Budget (2025) and other sources – with major processing by Our World in Data, published as Carbon intensity vs. GDP per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Fossil carbon dioxide (CO₂) emissions per unit of total energy supply, measured in grams of CO₂ per kilowatt-hour.