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Chapter 3

SOC312H1 Chapter Notes - Chapter 3: Ansley J. Coale, Population Momentum, Demographic Transition


Department
Sociology
Course Code
SOC312H1
Professor
Brent Berry
Chapter
3

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Jan 22: Chapter 3: Population: Past, Present, and Futures
Population History
-World Population today (Table 3.1)
-Not 6.55, but actually 7 billion now
-Annual rate of natural increase is 1.2%
How do we get this?
Number of births/number of deaths
-‘Less developed’ countries account for 81% of world population
-More developed countries have an overall rate of natural increase of only 0.1%, while the
rest of the world is growing substantially faster (~1.5%)
-Population density measure
Some problems with how this is measured
-Population varies by region
From Gradual to Explosive Growth
-Figure 3.1 is a nice review

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-Into what two segments does Ansley Coale (1974) divide population history?
Pre 1750
Post 1750
-Population Growth
Not smooth (despite appearance on graph), but irregular (abrupt increases and
decreases)
o What are the reasons

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Cycles of population growth, decline, recover were common, followed
by birth deficits and subsequent population surges
Figure 3.2 shows population growth over last 65k years
Table 3.2note crisis mortality between 1300-1400
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