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Question: Some people say that the following things are important for being truly their national. Others say they are not important. How important do you think each of the following is? "to be able to speak the country's language"
Choices: "Very important" "Fairly important" "Not very important" "Not important at all"
Data: % of "Very important" "Fairly important"
Period:
Area:
9 countries/ areas
Highlight:
1 United States97.0%
3 Germany94.1%
4 France 94.0%
5 Canada92.7%
7 United Kingdom90.8%
9 Japan78.4%

Note
Can't choose/ No answer are excluded. Germany: unweighted sum of West and East Germany. Israel: unweighted sum of Jews and Arabs. United Kingdom: excluding Northern Ireland.

No data for 1 countries.

Source
ISSP 2003

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data6
Regression equation
Y = 3.887924 X +3.083
Correlation coefficient (r)0.872
Coefficient of determination (R2)0.760

GDP per capita (current US$)
No. of data6
Regression equation
Y = 182157.341147 X -113264.609
Correlation coefficient (r)0.757
Coefficient of determination (R2)0.573

Life expectancy at birth - Both sexes (years)
No. of data6
Regression equation
Y = -26.244602 X +105.210
Correlation coefficient (r)-0.783
Coefficient of determination (R2)0.613

Fertility rate, total (births per woman)
No. of data6
Regression equation
Y = 2.069864 X -0.374
Correlation coefficient (r)0.672
Coefficient of determination (R2)0.452

Suicide, age-standardized (per 100 000 population)
No. of data6
Regression equation
Y = -3.095312 X +13.137
Correlation coefficient (r)-0.074
Coefficient of determination (R2)0.005