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Question: How much do you agree with the following statements about yourself? - Once I start a task, I persist until it is finished.
Choices: "Strongly disagree" "Disagree" "Agree" "Strongly agree"
Data: % of "Agree" "Strongly agree"
Period:
Area:
38 countries/ areas
Highlight:
1 Mexico79.7%
2 Portugal78.6%
3 Greece78.5%
4 Turkiye77.3%
5 Colombia76.4%
6 Italy76.3%
7 Republic of Korea76.2%
8 Slovenia75.4%
9 Hungary74.6%
10 Costa Rica72.8%
11 Chile72.7%
12 Lithuania72.5%
13 Spain71.9%
14 United States71.8%
15 Israel70.0%
16 Ireland69.1%
17 France68.5%
18 Canada67.8%
19 Austria66.1%
20 Estonia66.0%
21 Australia65.7%
22 Japan 65.2%
23 Switzerland65.1%
24 Iceland65.0%
25 Sweden64.9%
26 New Zealand64.6%
27 Norway63.9%
28 Poland63.8%
29 Germany62.7%
30 United Kingdom62.3%
31 Finland61.5%
32 Latvia61.2%
32 Luxembourg61.2%
34 Slovakia59.8%
35 Denmark58.2%
36 Netherlands54.9%
37 Czech Republic52.5%
38 Belgium31.9%

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 = -3.552250 X +9.088
Correlation coefficient (r)-0.488
Coefficient of determination (R2)0.238

GDP per capita (current US$)
No. of data38
Regression equation
Y = -113089.705839 X +120093.722
Correlation coefficient (r)-0.358
Coefficient of determination (R2)0.128

Life expectancy at birth - Both sexes (years)
No. of data38
Regression equation
Y = -3.830316 X +82.993
Correlation coefficient (r)-0.130
Coefficient of determination (R2)0.017

Fertility rate, total (births per woman)
No. of data38
Regression equation
Y = 0.142776 X +1.483
Correlation coefficient (r)0.041
Coefficient of determination (R2)0.002

Suicide - all ages (per 100,000 population)
No. of data38
Regression equation
Y = -13.363881 X +21.374
Correlation coefficient (r)-0.218
Coefficient of determination (R2)0.048