Class notes 11/7/18

Population pyramids: to analyze growth of fertility, mortality, and migration

• males always on the left
• three basic shapes
• xmas tree
• the box
• the cup
• xmas tree: growth rate are slow, high birth rate, short life expectancy, developing nation
• the box: developed nation, slow growth, low infant mortality, slow population growth, long life expectancy 
• the cup: developed nation, negative growth, low birth rate, shrinking population, long life expectancy