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Question: During the time when your school building was closed because of COVID-19, how often did you have the following problems when completing your school work? - Not being able to understand my school assignments
Choices: "Never" "A few times" "About once or twice a week" "Every day or almost every day"
Data: % of "About once or twice a week" "Every day or almost every day"
Period:
Area:
77 countries/ areas
Highlight:
1 Brunei Darussalam22.9%
2 Viet Nam21.9%
3 Azerbaijan19.3%
4 Uzbekistan18.9%
5 Jordan18.5%
6 United States18.4%
7 Jamaica17.6%
8 Albania17.0%
8 Israel17.0%
10 Brazil16.9%
10 Cambodia16.9%
12 Chile16.1%
12 Uruguay16.1%
14 Dominican Republic16.0%
14 Mongolia16.0%
16 Panama15.0%
17 Malta14.9%
18 Canada14.8%
18 Philippines14.8%
18 United Kingdom14.8%
21 Indonesia14.7%
22 Paraguay14.6%
23 Argentina14.5%
24 Malaysia14.4%
25 Kosovo14.1%
26 Peru14.0%
27 Latvia13.8%
27 United Arab Emirates13.8%
29 Australia13.5%
30 Morocco13.4%
30 Qatar13.4%
32 Costa Rica13.3%
33 North Macedonia13.2%
34 El Salvador13.1%
35 Mexico12.8%
36 Macao, China12.6%
36 Palestinian Territory12.6%
38 Bulgaria12.5%
38 Ireland12.5%
38 Serbia12.5%
41 Colombia12.4%
42 Poland12.0%
43 Montenegro11.9%
43 New Zealand11.9%
43 Turkiye11.9%
46 Guatemala 11.8%
47 Slovakia11.4%
48 Greece11.2%
49 France11.1%
50 Georgia10.9%
51 Thailand10.8%
52 Ukraine10.5%
53 Saudi Arabia10.3%
54 Hong Kong, China10.1%
55 Czech Republic10.0%
55 Sweden10.0%
57 Belgium9.9%
57 Estonia9.9%
59 Germany9.8%
60 Croatia9.7%
60 Lithuania9.7%
60 Spain9.7%
63 Austria9.6%
64 Moldova9.4%
65 Kazakhstan9.3%
65 Slovenia9.3%
67 Italy9.2%
68 Japan9.1%
68 Romania9.1%
70 Finland8.8%
71 Netherlands8.1%
72 Iceland6.8%
73 Switzerland6.6%
74 Hungary6.4%
74 Republic of Korea6.4%
76 Portugal6.2%
77 Taiwan6.1%

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 161 countries.

Source
OECD PISA 2022

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data74
Regression equation
Y = -6.547172 X +7.019
Correlation coefficient (r)-0.312
Coefficient of determination (R2)0.097

GDP per capita (current US$)
No. of data77
Regression equation
Y = -207545.866481 X +54412.196
Correlation coefficient (r)-0.304
Coefficient of determination (R2)0.092

Life expectancy at birth - Both sexes (years)
No. of data76
Regression equation
Y = -49.254048 X +83.623
Correlation coefficient (r)-0.390
Coefficient of determination (R2)0.152

Fertility rate, total (births per woman)
No. of data76
Regression equation
Y = 5.580276 X +1.043
Correlation coefficient (r)0.372
Coefficient of determination (R2)0.138

Suicide, age-standardized (per 100 000 population)
No. of data72
Regression equation
Y = -51.645232 X +15.215
Correlation coefficient (r)-0.400
Coefficient of determination (R2)0.160