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Question: How confident do you feel about having to do the following mathematics tasks? - Representing a situation mathematically using variables, symbols, or diagrams
Choices: "Not at all confident" "Not very confident" "Confident" "Very confident"
Data: % of "Confident" "Very confident"
Period:
Area:
10 countries/ areas
Highlight:
1 Canada72.2%
2 United States69.2%
3 Australia68.6%
4 Sweden64.1%
5 United Kingdom63.8%
6 France63.3%
7 Germany 60.9%
8 Italy49.1%
9 Republic of Korea42.1%
10 Japan38.6%

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 = 2.997662 X +4.880
Correlation coefficient (r)0.852
Coefficient of determination (R2)0.726

GDP per capita (current US$)
No. of data10
Regression equation
Y = 99759.063794 X -10116.790
Correlation coefficient (r)0.813
Coefficient of determination (R2)0.661

Life expectancy at birth - Both sexes (years)
No. of data10
Regression equation
Y = -9.741267 X +87.766
Correlation coefficient (r)-0.497
Coefficient of determination (R2)0.247

Fertility rate, total (births per woman)
No. of data10
Regression equation
Y = 1.902476 X +0.353
Correlation coefficient (r)0.753
Coefficient of determination (R2)0.567

Suicide, age-standardized (per 100 000 population)
No. of data10
Regression equation
Y = -10.108549 X +17.083
Correlation coefficient (r)-0.258
Coefficient of determination (R2)0.067