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Population 2
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Population 2 Presentation Transcript

  • 1. 1
  • 2. The science dealing with population size,distribution, composition, and change.(Hughes and Kroehler)2
  • 3.  By 2050 the world’s population will be over9 billion people. Currently it is 7 billion3
  • 4. 4
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  • 7. The potential number of childrenthat could be born to a woman.7
  • 8. 8
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  • 10.  The ratio of total live births to totalpopulation in a specified community or areaover a specified period of time. Called “crude” because it lumps all births(regardless of race, ethnicity, classes and agecategories). The birthrate is often expressed as thenumber of live births per 1,000 of thepopulation per year. Also called natality.10
  • 11. 11
  • 12. Infant Mortality Rate:The number of deaths among infants underone year of age per 1,000 live births.(Also called the Infant Death Rate)12
  • 13. 13
  • 14. Child Mortality Rate:Child mortality refers to the death of infantsand children under the age of five. About26,000 young children die every day, mainlyfrom preventable causes.(Wikipedia)The under-5 mortality rate is a leadingindicator of the level of child health andoverall development in countries.(WHO)14
  • 15. 15
  • 16.  The increase or decrease per 1,000 members ofthe population in a given year that results frompeople entering or leaving a society.16
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  • 21. This is the idea that the process ofmodernization has three (or four or five) stagesto the present. High potential growth Transitional growth Population stability22
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  • 24. The average number of childrenper woman of childbearing agefor a modern population toreplace itself withoutimmigration is 2.125
  • 25. 26
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  • 27. 28http://www.census.gov/ipc/www/idbpyr.html
  • 28. What would the baby-boom cohort look like now?That is the large boom of babies after WorldWar II.Draw a quick picture to get an idea.29
  • 29. 30
  • 30. So you can see why there is some real concernabout social security and Medicare.Someone explain the dilemma.31
  • 31.  Urban development (the end of the farm) Urban decay (flight of commerce to thesuburbs) Gentrification (displacing the urban poor) Environmental racism32
  • 32. Since the 1800s there has been a marked trendof the population moving from rural areas intourban centers.33
  • 33. 34
  • 34.  Concentric Circle Theory Sector Theory Multiple Nuclei Theory Peripheral Model35
  • 35. 36Park, Burgess, and McKenzie 1925
  • 36. 37
  • 37. 38
  • 38. 39Henslin 2010
  • 39. 40
  • 40. As the population becomes moredivided by class and wealthwe begin to see a digitaldivide.41
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  • 54.  There is an inverse correlation between wealthand fertility The wealthier countries of the world have thelowest population growth rates. This runs counter to Malthus’s idea that leftunchecked, a population will continue toincrease.Discuss why this is.How does this relate to the demographictransition model?55
  • 55. Karl Marxs primary disagreement withThomas Malthus was his insistence thatsociety was not overpopulated but thatwealth needed to be equally distributed.56
  • 56. Remember that population graph? What did itlook like by the year 2050?The question is: is this sustainable in anyrealistic fashion?If not, then who goes? Who suffers the most?Are we headed for a Malthusian trap?57
  • 57. What happens to the developing countries ifdemographic transition theory is correct? Willthey survive phase two?58
  • 58. 59
  • 59. 1. A doctor. GP. He is addicted to drugs, and very nervous, aged 602. A black Minister, Protestant, Age 273. A prostitute, no parents. She is an excellent nurse. Has already saved adrowning child. Aged 364. A male criminal. Charged with murder. He is the only one capable ofnavigating the boat. Aged 375. A man mentally disturbed, who carries important government secrets in hishead, aged 416. A salesman. He sells automatic washing machines. Member of the localRotary Club. Aged 51.7. A crippled boy, paralyzed since birth. He cannot use his hands, or doanything for himself, so must be fed by others. Aged 8.8. A married couple. He is a construction worker, who drinks a lot. Aged 27. Sheis a housewife with two children at home. Aged 239. A Jewish restaurant owner married with three children at home, aged 40.10. A teacher considered one of the best in Essex! Aged 32.11. A Catholic Nun. Supervisor of girls school, Aged 46.12. An unemployed man, formerly a professor of literature. He has a great senseof humour, showed courage in the last war, and was in a concentration campfor three years, aged 53.13. A married couple deeply in love, but no children yet. Both Irish. He is studyingto be a pharmacist. Aged 24. She is a housewife, helps with a playgroup.Aged 21.60