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United States
Niger
Senegal
United States Age Structure 0-14 years: 19.4% years: 13.7% years: 39.9% years: 12.6% 65 years and over: 13.9%
Niger Age Structure 0-14 years: 49.8% years: 18.4% years: 25.9% years: 3.3% 65 years and over: 2.6%
Senegal Age Structure 0-14 years: 42.5% years: 20.5% years: 30.4% years: 3.8% 65 years and over: 2.9%
Comparison
Fertility Rate United States 2.01 children born/woman Niger 6.89 children born/woman Senegal 4.52 children born/woman
United States Life Expectancy Total population: years Male: years Female: years
Niger Life Expectancy Total population: years Male: years Female: years
Senegal Life Expectancy Total population: years Male: years Female: years
Comparison United States years Niger years Senegal years
United States Population change over time
Niger Population change over time
Senegal Population change over time
United States Limiting factors Crops Over population Obesity
Niger Limiting Factors Over population Not enough rain Soil poorly managed
Senegal Limiting Factors Phytoplankton growth out of control Risk of cyanobacteria