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Question: To what extent do you agree or disagree with the following statements? - I often worry that it will be difficult for me in mathematics classes.
Choices: "Strongly agree" "Agree" "Disagree" "Strongly disagree"
Data: % of "Strongly agree" "Agree"
Period:
Area:
10 countries/ areas
Highlight:
1 Japan68.6%
2 Italy65.9%
3 France 59.4%
4 Germany59.2%
5 Australia57.6%
6 Canada57.5%
7 United States57.0%
8 Republic of Korea55.3%
9 United Kingdom52.4%
10 Sweden44.8%

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 = -4.407105 X +9.200
Correlation coefficient (r)-0.704
Coefficient of determination (R2)0.496

GDP per capita (current US$)
No. of data10
Regression equation
Y = -90604.815521 X +101273.002
Correlation coefficient (r)-0.415
Coefficient of determination (R2)0.172

Life expectancy at birth - Both sexes (years)
No. of data10
Regression equation
Y = 5.901398 X +78.591
Correlation coefficient (r)0.169
Coefficient of determination (R2)0.029

Fertility rate, total (births per woman)
No. of data10
Regression equation
Y = -1.149995 X +2.143
Correlation coefficient (r)-0.256
Coefficient of determination (R2)0.066

Suicide, age-standardized (per 100 000 population)
No. of data10
Regression equation
Y = -17.913155 X +21.448
Correlation coefficient (r)-0.257
Coefficient of determination (R2)0.066