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Question: Thinking about yourself and how you normally feel: how often do you feel as described below? - Joyful
Choices: "Never" "Rarely" "Sometimes" "Always"
Data: % of "Sometimes" "Always"
Period:
Area:
9 countries/ areas
Highlight:
1 Japan94.2%
2 France 92.5%
4 Germany91.1%
5 Italy91.0%
7 Canada86.2%
8 United States85.0%
9 United Kingdom81.8%

Source
PISA 2018 Results (Volume III) : What School Life Means for Studentsf Lives

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data7
Regression equation
Y = -4.474102 X +10.558
Correlation coefficient (r)-0.697
Coefficient of determination (R2)0.486

GDP per capita (current US$)
No. of data7
Regression equation
Y = -198840.875879 X +227361.652
Correlation coefficient (r)-0.583
Coefficient of determination (R2)0.340

Life expectancy at birth - Both sexes (years)
No. of data7
Regression equation
Y = 23.728283 X +60.437
Correlation coefficient (r)0.511
Coefficient of determination (R2)0.261

Fertility rate, total (births per woman)
No. of data7
Regression equation
Y = -1.279372 X +2.611
Correlation coefficient (r)-0.274
Coefficient of determination (R2)0.075

Suicide, age-standardized (per 100 000 population)
No. of data7
Regression equation
Y = -1.401266 X +10.705
Correlation coefficient (r)-0.019
Coefficient of determination (R2)0.000