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Question: How confident do you feel about having to do the following mathematics tasks? - Calculating the properties of an irregularly shaped object
Choices: "Not at all confident" "Not very confident" "Confident" "Very confident"
Data: % of "Confident" "Very confident"
Period:
Area:
10 countries/ areas
Highlight:
1 Australia58.6%
2 Canada58.0%
3 United Kingdom57.6%
4 Sweden52.3%
5 France48.9%
6 United States 48.2%
7 Germany46.2%
8 Italy37.7%
9 Republic of Korea35.5%
10 Japan23.0%

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 = 3.027476 X +5.244
Correlation coefficient (r)0.844
Coefficient of determination (R2)0.712

GDP per capita (current US$)
No. of data10
Regression equation
Y = 80632.812762 X +11355.709
Correlation coefficient (r)0.645
Coefficient of determination (R2)0.416

Life expectancy at birth - Both sexes (years)
No. of data10
Regression equation
Y = -6.144756 X +84.863
Correlation coefficient (r)-0.308
Coefficient of determination (R2)0.095

Fertility rate, total (births per woman)
No. of data10
Regression equation
Y = 1.574939 X +0.745
Correlation coefficient (r)0.612
Coefficient of determination (R2)0.375

Suicide, age-standardized (per 100 000 population)
No. of data10
Regression equation
Y = -10.136001 X +15.823
Correlation coefficient (r)-0.254
Coefficient of determination (R2)0.065