Tweet
Question: How confident do you feel about having to do the following mathematics tasks? - Calculating how many square metres of tiles you need to cover a floor
Choices: "Not at all confident" "Not very confident" "Confident" "Very confident"
Data: % of "Confident" "Very confident"
Period:
Area:
10 countries/ areas
Highlight:
1 Canada 72.4%
2 Germany70.8%
3 France70.5%
4 Australia70.1%
5 United Kingdom66.9%
6 United States66.2%
7 Italy63.5%
8 Sweden63.1%
9 Republic of Korea53.4%
10 Japan46.6%

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 data10
Regression equation
Y = 3.411136 X +4.459
Correlation coefficient (r)0.688
Coefficient of determination (R2)0.473

GDP per capita (current US$)
No. of data10
Regression equation
Y = 94917.137069 X -12148.578
Correlation coefficient (r)0.549
Coefficient of determination (R2)0.301

Life expectancy at birth - Both sexes (years)
No. of data10
Regression equation
Y = -10.890923 X +89.008
Correlation coefficient (r)-0.394
Coefficient of determination (R2)0.155

Fertility rate, total (births per woman)
No. of data10
Regression equation
Y = 2.351853 X -0.034
Correlation coefficient (r)0.660
Coefficient of determination (R2)0.436

Suicide, age-standardized (per 100 000 population)
No. of data10
Regression equation
Y = -26.118998 X +27.908
Correlation coefficient (r)-0.473
Coefficient of determination (R2)0.224