Freer economies, as measured by the 2019 Heritage Index of Economic Freedom, have better environmental results, as measured by Yale University’s 2018 Environmental Performance Index.

NOTE: Represented are the 176 countries that are in both the 2019 Index of Economic Freedom and the 2018 Environmental Performance Index.

Source: Terry Miller, Anthony B. Kim, and James M. Roberts, 2019 Index of Economic Freedom, The Heritage Foundation, p. 29.