Carbon & human development · 2022
Which countries deliver a high quality of life with the least carbon?
Among countries with a high quality of life, Qatar emits 11× more carbon per person than Sweden for a similar level of human development: 37.53 tonnes of CO₂ per person versus 3.63.
This measures CO₂ per person divided by the Human Development Index (HDI), the carbon cost of a good life. A low number means a country delivers long lives, education and income with little carbon. The ranking covers the 52 countries of very high human development (HDI ≥ 0.8), so it measures efficiency rather than poverty.
Sources: Yale Environmental Performance Index 2024 (CO₂ excluding land use, HDI from the UN). HDI runs 0–1; higher is more developed. Data year 2022. Site updated August 13, 2026.
Key facts · 2022
| Most carbon-efficient | Sweden (3.81) |
| Least efficient | Qatar (42.9) |
| Gap, worst vs best | 11× |
| Median (high-HDI) | 7.5 |
| High-HDI countries | 52 |
| Metric | t CO₂/person ÷ HDI |
A high quality of life does not require runaway carbon
The Human Development Index combines life expectancy, education and income into a single 0–1 score. Plotting it against emissions shows there is no fixed link between the two above a certain point: many countries reach the top of the development scale on a fraction of the per-person carbon of others. Sweden reaches an HDI of 0.952 on 3.63 tonnes of CO₂ per person; Qatar sits at HDI 0.875 but 37.53 tonnes, about 10 times as much.
Human development vs. carbon, by country
Each point is a country: quality of life (HDI) on the horizontal axis, CO₂ per person on the vertical. Development rises steeply at first, then flattens, and high HDI is reached at widely different carbon levels.
HDI vs. CO₂ per person, 2022
101 countries · hover for names
Carbon per unit of human development
Tonnes of CO₂ per person divided by HDI, 2022, for the 52 countries of very high human development. Lower means more wellbeing per tonne. Click a column to sort.
| Country | CO₂/person ÷ HDI | CO₂ per person (t) | HDI | CO₂ total (Mt) |
|---|---|---|---|---|
| Sweden | 3.8 | 3.63 | 0.952 | 38.1 |
| Latvia | 4.0 | 3.51 | 0.879 | 6.6 |
| Switzerland | 4.2 | 4.03 | 0.967 | 35.4 |
| Hong Kong | 4.3 | 4.16 | 0.956 | 30.6 |
| Portugal | 4.6 | 4.01 | 0.874 | 41.6 |
| Romania | 4.7 | 3.88 | 0.827 | 73.5 |
| Thailand | 4.7 | 3.78 | 0.803 | 270.7 |
| France | 4.8 | 4.38 | 0.910 | 297.5 |
| Argentina | 4.9 | 4.17 | 0.849 | 192.9 |
| Chile | 5.0 | 4.30 | 0.860 | 84.4 |
| United Kingdom | 5.1 | 4.76 | 0.940 | 318.7 |
| Lithuania | 5.1 | 4.48 | 0.879 | 12.7 |
| Denmark | 5.2 | 4.93 | 0.952 | 29.1 |
| Croatia | 5.2 | 4.55 | 0.878 | 17.5 |
| Hungary | 5.4 | 4.58 | 0.851 | 44.4 |
| Spain | 5.7 | 5.16 | 0.911 | 245.6 |
| Turkiye | 6.0 | 5.11 | 0.855 | 435.7 |
| Cyprus | 6.2 | 5.62 | 0.907 | 7.0 |
| Greece | 6.3 | 5.64 | 0.893 | 59.7 |
| Italy | 6.3 | 5.74 | 0.906 | 338.1 |
| Israel | 6.4 | 5.88 | 0.915 | 56.1 |
| Slovenia | 6.5 | 6.03 | 0.926 | 12.7 |
| New Zealand | 6.7 | 6.29 | 0.939 | 32.2 |
| Finland | 6.9 | 6.50 | 0.942 | 36.2 |
| Austria | 7.3 | 6.80 | 0.926 | 61.5 |
| Slovakia | 7.4 | 6.29 | 0.855 | 34.2 |
| Netherlands | 7.5 | 7.08 | 0.946 | 125.4 |
| Norway | 7.7 | 7.47 | 0.966 | 40.8 |
| Belarus | 8.0 | 6.38 | 0.801 | 58.8 |
| Serbia | 8.0 | 6.44 | 0.805 | 43.5 |
| Ireland | 8.0 | 7.62 | 0.950 | 38.8 |
| Belgium | 8.2 | 7.68 | 0.942 | 89.6 |
| Germany | 8.3 | 7.92 | 0.950 | 665.6 |
| Estonia | 8.6 | 7.70 | 0.899 | 10.3 |
| Japan | 9.2 | 8.42 | 0.920 | 1053.8 |
| Poland | 9.8 | 8.60 | 0.881 | 323.1 |
| Singapore | 9.9 | 9.44 | 0.949 | 53.3 |
| Czech Republic | 10.4 | 9.30 | 0.895 | 98.0 |
| Malaysia | 10.6 | 8.58 | 0.807 | 291.1 |
| South Korea | 12.5 | 11.64 | 0.929 | 601.0 |
| Russia | 14.0 | 11.51 | 0.821 | 1652.2 |
| Canada | 15.1 | 14.08 | 0.935 | 547.9 |
| Australia | 16.0 | 15.10 | 0.946 | 392.3 |
| United States | 16.2 | 15.01 | 0.927 | 5057.3 |
| Kazakhstan | 17.2 | 13.82 | 0.802 | 271.2 |
| Oman | 19.2 | 15.72 | 0.819 | 72.0 |
| Saudi Arabia | 20.8 | 18.20 | 0.875 | 662.5 |
| United Arab Emirates | 27.6 | 25.84 | 0.937 | 243.9 |
| Trinidad & Tobago | 27.6 | 22.44 | 0.814 | 34.3 |
| Bahrain | 28.9 | 25.71 | 0.888 | 37.8 |
| Kuwait | 30.2 | 25.57 | 0.847 | 109.2 |
| Qatar | 42.9 | 37.53 | 0.875 | 101.3 |
Median 7.5. CO₂ is total energy- and process-related emissions excluding land use; HDI is the UN Human Development Index. Countries below HDI 0.8 are shown in the chart above but not ranked here.
Frequently asked questions
Which countries deliver the highest quality of life with the least carbon?
Among very-high-development countries in 2022, Sweden is the most carbon-efficient, reaching an HDI of 0.952 on about 3.63 tonnes of CO₂ per person. Sweden, Switzerland, France and the United Kingdom lead this group.
Which developed countries emit the most carbon for their quality of life?
Oil- and gas-rich states top the list: Qatar emits about 37.53 tonnes of CO₂ per person, roughly 11 times Sweden's, for a similar level of human development. Kuwait, Bahrain and the UAE are close behind.
What is the Human Development Index (HDI)?
HDI is a UN measure combining life expectancy, education and income into a single score from 0 to 1. ‘Very high human development’ means an HDI of 0.80 or above.
Does a higher quality of life require more emissions?
Only up to a point. Below moderate development, emissions and HDI rise together, but above an HDI of about 0.8 the link breaks down: countries reach the top of the development scale on anywhere from 4 to 40 tonnes of CO₂ per person, depending on their energy mix.
Why does the ranking exclude low-income countries?
A very poor country can show near-zero emissions simply because it has little energy use, which would wrongly read as efficient. Limiting the ranking to HDI ≥ 0.8 measures carbon-efficiency among countries that have actually achieved a high quality of life. All 101 countries appear in the chart.
Related pages
Sources: Yale Environmental Performance Index 2024 (CO₂, HDI). See methodology.