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Question: How much do you agree with the following statements? - I am able to understand difficult texts.
Choices: "Strongly disagree" "Disagree" "Agree" "Strongly agree"
Data: % of "Agree" "Strongly agree"
Period:
Area:
10 countries/ areas
Highlight:
2 Canada73.4%
3 United Kingdom73.3%
5 United States72.9%
6 Germany 67.0%
7 Italy60.9%
8 France58.7%
10 Japan27.8%

Note
The data of Azerbaijan are collected only in Baku. The data of China are collected only in Beijing, Shanghai, Jiangsu, and Zhejiang.

Source
OECD PISA 2018 Compendia

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data7
Regression equation
Y = 1.629807 X +5.573
Correlation coefficient (r)0.910
Coefficient of determination (R2)0.828

GDP per capita (current US$)
No. of data7
Regression equation
Y = 61177.526529 X +12804.076
Correlation coefficient (r)0.643
Coefficient of determination (R2)0.413

Life expectancy at birth - Both sexes (years)
No. of data7
Regression equation
Y = -8.434816 X +86.744
Correlation coefficient (r)-0.651
Coefficient of determination (R2)0.424

Fertility rate, total (births per woman)
No. of data7
Regression equation
Y = 0.508022 X +1.159
Correlation coefficient (r)0.390
Coefficient of determination (R2)0.152

Suicide, age-standardized (per 100 000 population)
No. of data7
Regression equation
Y = -3.795288 X +11.813
Correlation coefficient (r)-0.183
Coefficient of determination (R2)0.033