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Question: How often do you feel this way when you arrive at school? - I feel tired.
Choices: "Every day" "Almost every day" "Sometimes" "Never"
Data: % of "Every day" "Almost every day"
Period:
Area:
10 countries/ areas
Highlight:
1 United States56.1%
2 Germany52.4%
3 Italy44.6%
4 Canada43.4%
5 United Kingdom42.7%
6 Sweden42.3%
7 Republic of Korea35.7%
8 Australia34.3%
9 France34.0%
10 Japan 23.5%

Note
Belgium: The Flemish Community only. United Kingdom: England only.

Source
TIMSS 2019 > International Database > TIMSS 2019 Data Almanacs - Grade 4

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data10
Regression equation
Y = 2.707771 X +5.658
Correlation coefficient (r)0.536
Coefficient of determination (R2)0.287

GDP per capita (current US$)
No. of data10
Regression equation
Y = 58394.983939 X +25849.752
Correlation coefficient (r)0.470
Coefficient of determination (R2)0.221

Life expectancy at birth - Both sexes (years)
No. of data10
Regression equation
Y = -18.157895 X +89.317
Correlation coefficient (r)-0.874
Coefficient of determination (R2)0.764

Fertility rate, total (births per woman)
No. of data10
Regression equation
Y = 0.618236 X +1.209
Correlation coefficient (r)0.212
Coefficient of determination (R2)0.045

Suicide - all ages (per 100,000 population)
No. of data10
Regression equation
Y = -14.504571 X +19.902
Correlation coefficient (r)-0.231
Coefficient of determination (R2)0.053