1. World Population 4 Stages of Demographic Transition

2. Population Growth Through History

3. Stage 1 Indicators (point to remember: Population change is related to levels of economic development.) Slow growth. Birth rate and death rate are high Slow growth. Birth rate and death rate are high Life expectancy is low Low Rate Of Natural Increase (RNI)-

4. Stage 2 Indicators Technology improves, nutrition improves Technology improves, nutrition improves Death rate drops, birth rate remains high

5. Stage 3 Indicators Birth and death rates both decline Families limit their size

6. Stage 4 Indicators Zero Population Growth Birth rate and death rate are equal High life expectancy

7. Malthusian Theory and Population Thomas Malthus- Food supply will not keep up with population growth Arithmetric growth vs geometric growth (exponential growth) Malthusian Doctrine Why is Malthus significant? Ann and Paul Ehrlich

8. Population and Resources