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Question: During a typical school week, on how many days do you do each of the following before going to school? - Study for school or homework
Choices: "0 days" "1 day" "2 days" "3 days" "4 days" "5 or more days"
Data: % of "0 days"
Period:
Area:
10 countries/ areas
Highlight:
2 Japan51.2%
5 United Kingdom42.8%
6 United States40.7%
7 Canada40.4%
8 Germany 38.9%
9 Italy27.6%
10 France25.3%

Note
The data of Azerbaijan are collected only in Baku. The data of Ukraine are collected from 18 out of 27 regions.

Source
OECD PISA 2022

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data7
Regression equation
Y = -0.515624 X +6.780
Correlation coefficient (r)-0.159
Coefficient of determination (R2)0.025

GDP per capita (current US$)
No. of data7
Regression equation
Y = 10370.268068 X +46780.108
Correlation coefficient (r)0.060
Coefficient of determination (R2)0.004

Life expectancy at birth - Both sexes (years)
No. of data7
Regression equation
Y = 0.030625 X +81.503
Correlation coefficient (r)0.001
Coefficient of determination (R2)0.000

Fertility rate, total (births per woman)
No. of data7
Regression equation
Y = -0.785236 X +1.774
Correlation coefficient (r)-0.332
Coefficient of determination (R2)0.110

Suicide, age-standardized (per 100 000 population)
No. of data7
Regression equation
Y = 18.716298 X +2.324
Correlation coefficient (r)0.496
Coefficient of determination (R2)0.246