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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 Nigeria45.5%
3 South Africa39.9%
4 Tunisia 25.2%

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 = -6665.820522 X +6344.586
Correlation coefficient (r)-0.306
Coefficient of determination (R2)0.094

Life expectancy at birth - Both sexes (years)
No. of data4
Regression equation
Y = -81.272792 X +94.328
Correlation coefficient (r)-0.906
Coefficient of determination (R2)0.821

Fertility rate, total (births per woman)
No. of data4
Regression equation
Y = 10.282088 X -0.760
Correlation coefficient (r)0.697
Coefficient of determination (R2)0.486

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