Ch. 4 Human Geography

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Ch. 4 Human Geography
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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

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Mortality Rates

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

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World Mortality Rate
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Population Growth

• Rate of natural increasebirthrate-death rate
• This is population growth
• Faster than ever before, exponential

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Human population growth in percents, all factors
considered
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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
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Population Distribution

• 90 of world lives in Northern Hemisphere
• Over half lives in URBAN areas

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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

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