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Question: Thinking about yourself and how you normally feel: how often do you feel as described below? - Miserable
Choices: "Never" "Rarely" "Sometimes" "Always"
Data: % of "Sometimes" "Always"
Period:
Area:
9 countries/ areas
Highlight:
1 United Kingdom52.4%
2 Italy46.1%
3 Japan45.5%
4 Canada41.0%
4 Germany41.0%
6 United States40.3%
8 France 36.9%

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 = -1.281542 X +7.139
Correlation coefficient (r)-0.225
Coefficient of determination (R2)0.051

GDP per capita (current US$)
No. of data7
Regression equation
Y = -102751.318440 X +95240.143
Correlation coefficient (r)-0.339
Coefficient of determination (R2)0.115

Life expectancy at birth - Both sexes (years)
No. of data7
Regression equation
Y = 16.021791 X +74.575
Correlation coefficient (r)0.388
Coefficient of determination (R2)0.151

Fertility rate, total (births per woman)
No. of data7
Regression equation
Y = -1.601904 X +2.168
Correlation coefficient (r)-0.386
Coefficient of determination (R2)0.149

Suicide, age-standardized (per 100 000 population)
No. of data7
Regression equation
Y = -30.365592 X +22.613
Correlation coefficient (r)-0.459
Coefficient of determination (R2)0.211