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Question: How much do you agree with the following statements? - I have to read a text several times before completely understanding it.
Choices: "Strongly disagree" "Disagree" "Agree" "Strongly agree"
Data: % of "Agree" "Strongly agree"
Period:
Area:
10 countries/ areas
Highlight:
1 Japan66.1%
3 France52.6%
4 United States47.2%
5 United Kingdom44.0%
7 Canada38.8%
9 Italy37.7%
10 Germany 37.2%

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 = -1.818175 X +7.424
Correlation coefficient (r)-0.651
Coefficient of determination (R2)0.424

GDP per capita (current US$)
No. of data7
Regression equation
Y = -40865.118423 X +69625.503
Correlation coefficient (r)-0.275
Coefficient of determination (R2)0.076

Life expectancy at birth - Both sexes (years)
No. of data7
Regression equation
Y = 7.004632 X +78.276
Correlation coefficient (r)0.347
Coefficient of determination (R2)0.120

Fertility rate, total (births per woman)
No. of data7
Regression equation
Y = 0.142766 X +1.408
Correlation coefficient (r)0.070
Coefficient of determination (R2)0.005

Suicide, age-standardized (per 100 000 population)
No. of data7
Regression equation
Y = 17.680466 X +1.287
Correlation coefficient (r)0.545
Coefficient of determination (R2)0.297