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Question: To what extent do you agree or disagree with the following statements? - Mathematics is easy for me.
Choices: "Strongly disagree" "Disagree" "Agree" "Strongly agree"
Data: % of "Agree" "Strongly agree"
Period:
Area:
10 countries/ areas
Highlight:
1 Canada55.9%
2 United States52.8%
3 Sweden51.2%
4 Germany49.1%
5 Australia48.1%
6 United Kingdom46.5%
7 France 46.0%
8 Italy43.9%
9 Republic of Korea25.0%
10 Japan20.9%

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 = 2.932204 X +5.366
Correlation coefficient (r)0.826
Coefficient of determination (R2)0.682

GDP per capita (current US$)
No. of data10
Regression equation
Y = 87976.984007 X +10273.513
Correlation coefficient (r)0.710
Coefficient of determination (R2)0.504

Life expectancy at birth - Both sexes (years)
No. of data10
Regression equation
Y = -9.956965 X +86.375
Correlation coefficient (r)-0.504
Coefficient of determination (R2)0.254

Fertility rate, total (births per woman)
No. of data10
Regression equation
Y = 1.770917 X +0.701
Correlation coefficient (r)0.694
Coefficient of determination (R2)0.482

Suicide, age-standardized (per 100 000 population)
No. of data10
Regression equation
Y = -17.558414 X +18.815
Correlation coefficient (r)-0.445
Coefficient of determination (R2)0.198