In a study published in April in the journal Politics and Policy, researchers ranked 15 industrialized democracies based on the life satisfaction of their citizens.

Using four measures of government size, seen below, the researchers found that countries with larger governments also have the happiest citizens.

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Countries, from most to least satisfied

Tax revenue as percent of GDP

Government consumption as percent of real per capita GDP

Average percent of earnings replaced by unemployment benefits

Social welfare expenditures as a percent of GDP

1. Norway

43.5

18.4

39

21.6

2. Switzerland

29.2

8.8

33

20.3

3. Finland

43.9

18.7

35

26.1

4. Canada

33.4

13.2

12

16.5

5. Sweden

49.5

22.3

39

29.4

6. The Netherlands

38.8

20.8

35

20.9

7. Great Britain

36.3

17.4

12

21.3

8. Spain

35.8

18.1

36

21.2

9. Australia

30.8

15.7

22

17.1

10. United States

27.3

11.2

13

15.9

11. Japan

27.3

16.3

8

18.6

12. Germany

34.8

15.6

24

26.7

13. Italy

40.9

15.2

33

25

14. France

43.9

20.5

39

29.2

15. South Korea

25.5

10.4

9

6.9

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