Statistical Summary

1. Presidential System
Number of States = 59 ÷ 194 = 30.41%
Population = 2.269.4 million ÷ 7.259.7 million = 31.26%
GDP = 28.697.7 billion ÷ 77 960.6 billion = 36.81%

2. Parliamentary System
Number of States = 68 ÷ 194 = 35.05% 
Population = 4 024.5 million ÷ 7 259.7 million = 55.44% 
GDP = 37.471.6 billion ÷ 77.960.6 billion = 48.06% 

3. Semi-Presidential System
Number of States = 54 ÷ 194 = 27.83% 
Population = 819.6 million ÷ 7 259.7 million = 11.28% 
GDP = 9 008.6 billion ÷ 77 960.6 billion = 11.55% 

4. Monarchical System
Number of States = 12 ÷ 194 = 6.19%
Population = 93.9 million ÷ 7 259.7 million = 1.29% 
GDP = 1 810.4 billion ÷ 77 960.6 billion = 2.32% 

5. Directorial System
Number of States = 1 ÷ 194 = 0.52% 
Population = 8.2 million ÷ 7 259.7 = 0.11% 
GDP = 701 billion ÷ 77 960.6 billion = 0.90%

World Population: 7 259.7 million

World GDP: 77 960.6 billion U.S. $