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Unformatted text preview: Geog 120 Notes 1.18.11 I. The Demographic Transition a. Model based on the European experience, starting at about 1800 b. Models population measurements from pre-industrial to industrial stages c. Stage 1: Pre-Industrial i. Low level of population ii. High death rate (infectious disease due to bad sanitation, violence, infanticide, the killing of illegitimate children) iii. Low life expectancy iv. High Birth Rate d. Primogeniture : All wealth in the family goes to the oldest son. As a result, younger siblings often migrated to urban areas to make a living. e. Stage 2 : Transitional i. Falling death rate (movement from religion to science, education) ii. Birth rate remains high and constant iii. Total population increases (big population growth) f. Stage 3: Transitional i. Total population grows, but at a slower rate ii. Birth rate decreases sharply (education of women, women enter workforce and marry later in life) iii. Low, steady death rate g. Stage 4: Industrial i. Death rate less than 20/1000 ii. High life expectancy (70s) iii. Low birth rate iv. Low death rate iv....
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- Spring '08