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Period:
Area:
30 countries/ areas
Highlight:
1 Costa Rica33.4
2 Japan31.9
3 Chile30.7
4 Colombia30.3
5 Israel28.2
6 Mexico26.3
7 Republic of Korea26.2
8 France25.6
9 Spain25.4
10 United States25.0
11 Turkiye 24.9
12 Germany23.9
13 United Kingdom23.5
14 Australia22.8
15 Czech Republic22.0
16 Portugal21.9
16 Sweden21.9
18 Hungary21.4
19 Austria21.1
20 Italy20.7
21 Slovenia20.3
22 Denmark20.2
22 Iceland20.2
24 Greece20.1
25 Slovakia19.9
26 Lithuania19.7
27 Finland19.4
28 Estonia18.4
28 Poland18.4
30 Latvia16.7

No data for 8 countries.

Source
OECD Stat>Education and training>Education at a glance>Teachers and the learning environment>Student-teacher ratio and average class size

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data30
Regression equation
Y = -0.025500 X +7.181
Correlation coefficient (r)-0.181
Coefficient of determination (R2)0.033

GDP per capita (current US$)
No. of data30
Regression equation
Y = -903.485463 X +56273.941
Correlation coefficient (r)-0.195
Coefficient of determination (R2)0.038

Life expectancy at birth - Both sexes (years)
No. of data30
Regression equation
Y = 0.066789 X +77.584
Correlation coefficient (r)0.073
Coefficient of determination (R2)0.005

Fertility rate, total (births per woman)
No. of data30
Regression equation
Y = 0.011240 X +1.333
Correlation coefficient (r)0.136
Coefficient of determination (R2)0.018

Suicide, age-standardized (per 100 000 population)
No. of data30
Regression equation
Y = -0.295040 X +16.674
Correlation coefficient (r)-0.275
Coefficient of determination (R2)0.076