GEOG 200 Lecture Notes - Lecture 3: Popworld, 0 (Year), Industrial Revolution
31 Oct 2015
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4 stages of growth: hunters and gatherers. Low pop growth (< 0. 0001%) and density => stable pop. World pop around : 100 million people by year 0 and 1500 million by 16th century. Medical advances, improved food supply, sanitation, clothing = rapid pop growth. World pop : 800 million in 1800 to 3 billion by 1960. Population size is getting bigger but the rates of increase are getting smaller : 1965-70 growth rate of 2. 1% vs today rate of 1. 2%. Uneven growth : declining pop in developed nations but rising in developing countries. Ex : liberia (4. 91%), germany (-0. 2%), canada (0. 88%) Today, pop growing by 75 billion per year (95% in developing world) however it is less than in the 1980s where increase of 87 billion per year. Future population trends: it is important to project the future because :
