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Question: Thinking about your school: to what extent do you agree with the following statements? - Trying hard at school is important.
Choices: "Strongly disagree" "Disagree" "Agree" "Strongly agree"
Data: % of "Agree" "Strongly agree"
Period:
Area:
38 countries/ areas
Highlight:
1 Portugal93.9%
2 Japan 93.0%
3 Republic of Korea90.7%
4 Hungary90.6%
5 United Kingdom90.5%
6 United States90.0%
7 Ireland89.2%
8 New Zealand88.6%
9 Spain88.5%
10 Slovenia88.0%
11 Australia87.7%
11 Finland87.7%
11 Italy87.7%
14 Mexico87.2%
15 Iceland86.8%
16 Sweden86.7%
17 Switzerland86.6%
18 Estonia86.5%
19 Germany85.9%
20 Luxembourg85.3%
21 Canada84.8%
22 Austria84.2%
23 Colombia84.1%
24 France83.8%
25 Greece82.8%
26 Chile82.1%
27 Belgium81.2%
27 Lithuania81.2%
29 Costa Rica80.9%
30 Denmark80.3%
31 Latvia80.1%
31 Turkiye80.1%
33 Israel79.6%
34 Slovakia79.2%
35 Norway78.8%
36 Netherlands78.1%
37 Czech Republic77.8%
38 Poland74.4%

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 data38
Regression equation
Y = -0.856315 X +7.419
Correlation coefficient (r)-0.063
Coefficient of determination (R2)0.004

GDP per capita (current US$)
No. of data38
Regression equation
Y = 63079.350278 X -8939.835
Correlation coefficient (r)0.102
Coefficient of determination (R2)0.010

Life expectancy at birth - Both sexes (years)
No. of data38
Regression equation
Y = 24.253557 X +59.272
Correlation coefficient (r)0.301
Coefficient of determination (R2)0.091

Fertility rate, total (births per woman)
No. of data38
Regression equation
Y = -2.060250 X +3.335
Correlation coefficient (r)-0.303
Coefficient of determination (R2)0.092

Suicide, age-standardized (per 100 000 population)
No. of data38
Regression equation
Y = 13.114074 X -1.269
Correlation coefficient (r)0.148
Coefficient of determination (R2)0.022