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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 Sweden7.363
2 Australia7.183
3 Germany7.155
4 Canada7.103
5 United Kingdom7.064
6 United States6.951
7 France 6.690
8 Italy6.483
9 Japan5.940
10 Republic of Korea5.845

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

GNI per capita, Atlas method (current US$)
No. of data10
Regression equation
Y = 11814.266695 X -34581.555
Correlation coefficient (r)0.616
Coefficient of determination (R2)0.379

Life expectancy at birth - Both sexes (years)
No. of data10
Regression equation
Y = -1.493958 X +92.346
Correlation coefficient (r)-0.502
Coefficient of determination (R2)0.252

Fertility rate, total (births per woman)
No. of data10
Regression equation
Y = 0.379891 X -1.008
Correlation coefficient (r)0.736
Coefficient of determination (R2)0.542

Suicide - all ages (per 100,000 population)
No. of data10
Regression equation
Y = -6.108956 X +55.375
Correlation coefficient (r)-0.543
Coefficient of determination (R2)0.295