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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:
3 Germany6.928
4 France 6.740
5 United Kingdom6.689
6 Canada6.680
7 Italy6.602
8 United States6.346
10 Japan5.900

Source
Helliwell, J. F., Layard, R., Sachs, J. D., De Neve, J.-E., Aknin, L. B., & Wang, S. (Eds.). (2024) World Happiness Report 2024. University of Oxford: Wellbeing Research Centre.

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data7
Regression equation
Y = 0.613216 X +2.564
Correlation coefficient (r)0.710
Coefficient of determination (R2)0.504

GDP per capita (current US$)
No. of data7
Regression equation
Y = 5935.947789 X +11824.005
Correlation coefficient (r)0.130
Coefficient of determination (R2)0.017

Life expectancy at birth - Both sexes (years)
No. of data7
Regression equation
Y = -1.214783 X +89.477
Correlation coefficient (r)-0.195
Coefficient of determination (R2)0.038

Fertility rate, total (births per woman)
No. of data7
Regression equation
Y = 0.199912 X +0.164
Correlation coefficient (r)0.318
Coefficient of determination (R2)0.101

Suicide, age-standardized (per 100 000 population)
No. of data7
Regression equation
Y = -5.517196 X +45.625
Correlation coefficient (r)-0.551
Coefficient of determination (R2)0.304