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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 Canada6.900
4 United Kingdom6.749
5 United States6.725
6 Germany6.719
7 France 6.609
8 Italy6.324
9 Japan6.060

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 = 1.000000 X
Correlation coefficient (r)1.000
Coefficient of determination (R2)1.000

GDP per capita (current US$)
No. of data7
Regression equation
Y = 33904.676212 X -172484.558
Correlation coefficient (r)0.639
Coefficient of determination (R2)0.408

Life expectancy at birth - Both sexes (years)
No. of data7
Regression equation
Y = -4.541001 X +111.411
Correlation coefficient (r)-0.628
Coefficient of determination (R2)0.394

Fertility rate, total (births per woman)
No. of data7
Regression equation
Y = 0.348352 X -0.819
Correlation coefficient (r)0.479
Coefficient of determination (R2)0.229

Suicide, age-standardized (per 100 000 population)
No. of data7
Regression equation
Y = 0.562238 X +5.758
Correlation coefficient (r)0.048
Coefficient of determination (R2)0.002