POPULATION SOC 101 4-18-06

POPULATION SOC 101 4-18-06 - POPULATION I SOC 101 Overview...

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POPULATION SOC 101 4/18/06 I. Overview of Population Growth A. Recent increase in global population (20 th century esp.) – 6.5 billion - Billion people marks, 1800, 1930, 1960, 1975, 1987, 1999 B. World population size continues to grow- 75 million per year C. World population growth rate is slowing II. Demographic Transition Theory A. Preindustrial stage (high fertility, high mortality, not living to have kids) 1. Kids are economic assets 2. Large family makes economic sense B. Transition stage (high fertility, falling mortality) - with the industrial revolution came more food, better food, better life - people lived long enough to reproduce, kids weren’t dying off C. Industrial stage (low fertility, low mortality) 1. Kids are economically costly 2. Small family is a rational choice III. Dem. Trans. Theory & 3 rd World: A Poor Fit? A. Medical technology - Is developing much more quickly in 3 rd world today than it did in Europe in the past. So population is expanding quickly.
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