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Question: Thinking about the future of (survey country), please tell me whether you feel generally optimistic or generally pessimistic about the following areas. How about the way our political system works?
Choices: "Optimistic" "Pessimistic"
Data: % of "Optimistic"
Period:
Area:
4 countries/ areas
Highlight:
1 Kenya45.8%
2 Nigeria 45.5%
3 South Africa39.9%
4 Tunisia25.2%

Note
Neither/ Don't know/ Refused are excluded.

No data for 54 countries.

Source
Pew Research Center "Global Attitudes Survey" Spring 2019.

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data4
Regression equation
Y = 1.451269 X +4.231
Correlation coefficient (r)0.302
Coefficient of determination (R2)0.091

GDP per capita (current US$)
No. of data4
Regression equation
Y = -10153.056847 X +7502.595
Correlation coefficient (r)-0.478
Coefficient of determination (R2)0.228

Life expectancy at birth - Both sexes (years)
No. of data4
Regression equation
Y = -80.250268 X +94.253
Correlation coefficient (r)-0.907
Coefficient of determination (R2)0.823

Fertility rate, total (births per woman)
No. of data4
Regression equation
Y = 10.097962 X -0.738
Correlation coefficient (r)0.700
Coefficient of determination (R2)0.490

Suicide, age-standardized (per 100 000 population)
No. of data4
Regression equation
Y = 33.008581 X -1.769
Correlation coefficient (r)0.361
Coefficient of determination (R2)0.130