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Question: How confident do you feel about having to do the following mathematics tasks? - Solving an equation like 2(x+3) = (x+3)(x-3)
Choices: "Not at all confident" "Not very confident" "Confident" "Very confident"
Data: % of "Confident" "Very confident"
Period:
Area:
37 countries/ areas
Highlight:
1 Spain81.4%
2 Italy80.8%
3 Israel80.1%
4 Japan79.4%
5 Austria78.1%
5 Switzerland78.1%
7 Canada77.2%
8 Czech Republic77.1%
9 United States76.0%
10 Iceland75.8%
11 Republic of Korea74.9%
12 Hungary74.1%
13 Slovenia73.2%
14 Belgium72.8%
15 United Kingdom72.1%
16 Estonia71.8%
17 France71.0%
18 Netherlands70.5%
19 Greece70.3%
20 Germany70.0%
21 Australia69.9%
22 Slovakia69.6%
23 Colombia69.0%
24 Lithuania68.2%
25 Portugal67.5%
26 Ireland67.3%
27 Sweden66.5%
28 Finland64.5%
29 Turkiye64.0%
30 New Zealand63.5%
31 Poland 62.8%
32 Chile62.3%
33 Latvia62.0%
34 Norway59.0%
35 Costa Rica58.5%
36 Mexico55.9%
37 Denmark54.2%

Note
The data of Azerbaijan are collected only in Baku. The data of Ukraine are collected from 18 out of 27 regions.

No data for 1 countries.

Source
OECD PISA 2022

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data37
Regression equation
Y = -0.720187 X +7.177
Correlation coefficient (r)-0.089
Coefficient of determination (R2)0.008

GDP per capita (current US$)
No. of data37
Regression equation
Y = 39305.934535 X +14863.706
Correlation coefficient (r)0.109
Coefficient of determination (R2)0.012

Life expectancy at birth - Both sexes (years)
No. of data37
Regression equation
Y = 20.837808 X +65.193
Correlation coefficient (r)0.395
Coefficient of determination (R2)0.156

Fertility rate, total (births per woman)
No. of data37
Regression equation
Y = -0.126701 X +1.681
Correlation coefficient (r)-0.028
Coefficient of determination (R2)0.001

Suicide, age-standardized (per 100 000 population)
No. of data37
Regression equation
Y = 4.940413 X +6.436
Correlation coefficient (r)0.084
Coefficient of determination (R2)0.007