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Ch. 4 Human Geography

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Ch. 4 Human Geography Population Birthrate-live births/1000 population Avg is 22/1000 Fertility rate-avg # of children a woman of childbearing years has in her life 2 ... – PowerPoint PPT presentation

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Title: Ch. 4 Human Geography


1
Ch. 4 Human Geography
2
Population
  • Birthrate-live births/1000 population
  • Avg is 22/1000
  • Fertility rate-avg of children a woman of
    childbearing years has in her life
  • 2.1 no growth, world avg3.0

3
Mortality Rates
  • Death rate of deaths/1000 population
  • Infant mortality rate of deaths of infants
    under age one/1000 live births
  • lower is better

4
World Mortality Rate
5
Population Growth
  • Rate of natural increasebirthrate-death rate
  • This is population growth
  • Faster than ever before, exponential

6
Human population growth in percents, all factors
considered
7
World population estimates milestones .
Population (in billions) 1 2 3 4 5 6 7 8 9
Year 1804 1927 1961 1974 1987 1999 2011 2024 2042
Years elapsed 123 34 13 13 12 12 13 18
8
Population Distribution
  • 90 of world lives in Northern Hemisphere
  • Over half lives in URBAN areas

9
Push/Pull Factors
  • Push factors-cause people to leave their homeland
  • Ex. No jobs, bad govt.
  • Pull factors-draw people to a place
  • Cheap land, good jobs, freedom
  • Population density-avg. of people in a
    measurable area

10
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