The survey was conducted between 2010 and 2012 for the United Nations Sustainable Development Solutions Network.

10. Australia (7.350)    [Source: Huanqiu]

9. Iceland (7.355)   [Source: Huanqiu]

8. Austria (7.369)   [Source: Huanqiu]

7. Finland (7.389)   [Source: Huanqiu]

6. Canada (7.477)   [Source: Huanqiu]

5. Sweden (7.480)   [Source: Huanqiu]

4. Netherlands (7.512)   [Source: Huanqiu]

3. Switzerland (7.650)   [Source: Huanqiu]

2. Norway (7.655)   [Source: Huanqiu]

1. Denmark (7.693)   [Source: Huanqiu]