Dimension deep dive
Environmental Quality
The Environmental Performance Index measures air quality, water, biodiversity, and climate policy performance across countries.
Global leader
Denmark
Measured as
EPI score (0–100)
Why it matters
Economic growth that degrades the environment is not sustainable. Air pollution alone reduces global life expectancy by over a year on average.
Top countries
Where countries stand
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Countries at the top
Denmark94.9
United Kingdom90.9
France90.9
Norway89.8
Germany89.8
Countries with room to grow
Nigeria6.4
India12.8
Egypt19.1
Kenya21.3
South Africa25.5