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Question: 1. Did you experience worry during a lot of the day yesterday? 2. Did you experience sadness during a lot of the day yesterday? 3. Did you experience anger during a lot of the day yesterday?
Choices: "Yes" "No"
Data: The average of the percentages of "Yes" to the three questions.
Period:
Area:
10 countries/ areas
Highlight:
1 Italy32.0%
2 France 26.2%
3 United States25.4%
4 Canada23.6%
5 Australia21.0%
6 Sweden18.3%
7 United Kingdom18.0%
8 Japan17.8%
8 Republic of Korea17.8%
10 Germany16.8%

Source
John Helliwell, Richard Layard and Jeffrey Sachs (eds.) World Happiness Report 2013

Original source
Gallup World Poll.

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data10
Regression equation
Y = -0.193366 X +6.807
Correlation coefficient (r)-0.020
Coefficient of determination (R2)0.000

GDP per capita (current US$)
No. of data10
Regression equation
Y = -15181.190211 X +53026.100
Correlation coefficient (r)-0.064
Coefficient of determination (R2)0.004

Life expectancy at birth - Both sexes (years)
No. of data10
Regression equation
Y = -9.973236 X +84.053
Correlation coefficient (r)-0.252
Coefficient of determination (R2)0.064

Fertility rate, total (births per woman)
No. of data10
Regression equation
Y = 0.607750 X +1.330
Correlation coefficient (r)0.110
Coefficient of determination (R2)0.012

Suicide - all ages (per 100,000 population)
No. of data10
Regression equation
Y = -46.889535 X +24.140
Correlation coefficient (r)-0.392
Coefficient of determination (R2)0.154