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Cantril ladder. The evaluation of life by imagining life as a ladder, with the best possible life for them as a 10, and the worst possible life as a zero.
Period:
Area:
10 countries/ areas
Highlight:
1 Sweden7.384
2 Australia7.162
3 Germany7.034
4 Canada7.025
5 United States6.977
6 United Kingdom6.943
7 France6.687
8 Italy6.467
9 Japan6.039
10 Republic of Korea 5.935

Source
Helliwell, John F., Richard Layard, Jeffrey Sachs, and Jan-Emmanuel De Neve, eds. 2021. World Happiness Report 2021. New York: Sustainable Development Solutions Network.

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data10
Regression equation
Y = 1.000000 X
Correlation coefficient (r)1.000
Coefficient of determination (R2)1.000

GDP per capita (current US$)
No. of data10
Regression equation
Y = 19822.874487 X -84374.393
Correlation coefficient (r)0.807
Coefficient of determination (R2)0.651

Life expectancy at birth - Both sexes (years)
No. of data10
Regression equation
Y = -1.932273 X +94.962
Correlation coefficient (r)-0.470
Coefficient of determination (R2)0.221

Fertility rate, total (births per woman)
No. of data10
Regression equation
Y = 0.420189 X -1.381
Correlation coefficient (r)0.728
Coefficient of determination (R2)0.530

Suicide - all ages (per 100,000 population)
No. of data10
Regression equation
Y = -6.141898 X +55.522
Correlation coefficient (r)-0.494
Coefficient of determination (R2)0.244