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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%
9 France34.0%
10 Japan23.5%

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 data7
Regression equation
Y = 1.770027 X +5.833
Correlation coefficient (r)0.667
Coefficient of determination (R2)0.445

GDP per capita (current US$)
No. of data7
Regression equation
Y = 107841.313974 X +5024.832
Correlation coefficient (r)0.765
Coefficient of determination (R2)0.585

Life expectancy at birth - Both sexes (years)
No. of data7
Regression equation
Y = -15.835928 X +88.226
Correlation coefficient (r)-0.825
Coefficient of determination (R2)0.681

Fertility rate, total (births per woman)
No. of data7
Regression equation
Y = 0.458204 X +1.280
Correlation coefficient (r)0.237
Coefficient of determination (R2)0.056

Suicide, age-standardized (per 100 000 population)
No. of data7
Regression equation
Y = -1.113547 X +9.932
Correlation coefficient (r)-0.036
Coefficient of determination (R2)0.001