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Question: On a normal school day, how much time do you spend before or after school doing each of these things? - I play or talk with friends.
Choices: "No time" "Less than 1 hour" "1-2 hours" "More than 2 but less 4 hours" "4 or more hours"
Data: % of "No time" "Less than 1 hour"
Period:
Area:
8 countries/ areas
Highlight:
1 Japan45.5%
2 Republic of Korea 44.5%
3 Australia36.3%
4 Canada29.7%
5 Italy23.3%
6 United States23.0%
7 United Kingdom17.5%
8 Sweden15.2%

Note
Don't know/ No answer are excluded.

No data for 2 countries.

Source
TIMSS 2007

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data8
Regression equation
Y = -3.461300 X +7.742
Correlation coefficient (r)-0.649
Coefficient of determination (R2)0.421

GNI per capita, PPP (current international$)
No. of data8
Regression equation
Y = -28357.871457 X +56853.875
Correlation coefficient (r)-0.452
Coefficient of determination (R2)0.204

Life expectancy at birth - Both sexes (years)
No. of data8
Regression equation
Y = 0.069782 X +0.800
Correlation coefficient (r)0.490
Coefficient of determination (R2)0.240

Fertility rate, total (births per woman)
No. of data8
Regression equation
Y = -1.591440 X +2.030
Correlation coefficient (r)-0.661
Coefficient of determination (R2)0.437

Suicide - all ages (per 100,000 population, age-adjusted)
No. of data8
Regression equation
Y = 25.479304 X +4.403
Correlation coefficient (r)0.667
Coefficient of determination (R2)0.445