Demographic Transition

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  • Demographic Transition

    1. 1. HUMAN DEMOGRAPHIC TRANSITION SHS Environmental Science
    2. 2. DEFINING TERMS Birth Rate=The number of live births per 1000 per year
    3. 3. DEFINING TERMS Birth Rate=The number of live births per 1000 per year Death Rate=The number of deaths per 1000 per year
    4. 4. DEFINING TERMS Birth Rate=The number of live births per 1000 per year Death Rate=The number of deaths per 1000 per year Total Fertility Rate=Average number of children a woman will bear in her lifetime
    5. 5. DEFINING TERMS Birth Rate=The number of live births per 1000 per year Death Rate=The number of deaths per 1000 per year Total Fertility Rate=Average number of children a woman will bear in her lifetime Infant Mortality Rate=Number of children that die before the age of one year per 1000 live births per year
    6. 6. DEFINING TERMS MDC=More Developed Countries: First World Countries (us)
    7. 7. DEFINING TERMS MDC=More Developed Countries: First World Countries (us) LDC=Less Developed Countries: Third World Countries (examples?)
    8. 8. HUMAN DEMOGRAPHIC TRANSITION More Developed Countries have always followed the same growth curve. It’s called Human Demographic Transition.
    9. 9. HUMAN DEMOGRAPHIC TRANSITION More Developed Countries have always followed the same growth curve. It’s called Human Demographic Transition. The curve should look familiar.
    10. 10. HUMAN DEMOGRAPHIC TRANSITION More Developed Countries have always followed the same growth curve. It’s called Human Demographic Transition. The curve should look Population familiar. Time
    11. 11. HUMAN DEMOGRAPHIC TRANSITION: PHASE I Phase I: Pre-Industrial Phase-The birth rate is high to counter act the high death rate. Population is in relative equilibrium. Phase I Population Time
    12. 12. HUMAN DEMOGRAPHIC TRANSITION: PHASE I Phase I: Pre-Industrial Phase-The birth rate is high to counter act the high death rate. Population is in relative equilibrium. Phase I Population Time
    13. 13. HUMAN DEMOGRAPHIC TRANSITION: PHASE I Phase I: Pre-Industrial Phase-The birth rate is high to counter act the high death rate. Population is in relative equilibrium. Children are important. They Phase I are free labor for farm work. Population They are Social Security. They take care of parents in their old age. Time
    14. 14. HUMAN DEMOGRAPHIC TRANSITION: PHASE II Phase II: Transitional Phase-People are getting access to clean water and medicine so infant mortality and death rate go down BUT people aren’t ready to give up free labor so they continue to have children. Phase I Phase II Population Time
    15. 15. HUMAN DEMOGRAPHIC TRANSITION: PHASE II Phase II: Transitional Phase-People are getting access to clean water and medicine so infant mortality and death rate go down BUT people aren’t ready to give up free labor so they continue to have children. Phase I Phase II Population Time
    16. 16. HUMAN DEMOGRAPHIC TRANSITION: PHASE II Phase II: Transitional Phase-People are getting access to clean water and medicine so infant mortality and death rate go down BUT people aren’t ready to give up free labor so they continue to have children. Phase I Phase II Consequently, population Population grows exponentially. Children are unnecessary, but parents are making good $$. Time
    17. 17. HUMAN DEMOGRAPHIC TRANSITION: PHASE III Phase III: Industrial Phase-People are making so much money that they can save for retirement and realize they don’t need kids to care for them in their old age. Why? (activity) Phase I Phase II Phase III Population Time
    18. 18. HUMAN DEMOGRAPHIC TRANSITION: PHASE III Phase III: Industrial Phase-People are making so much money that they can save for retirement and realize they don’t need kids to care for them in their old age. Why? (activity) Result: Parents Phase I Phase II Phase don’t need kids. III They still want Population them, but often just a few. Result: Birth rate and death rate become equal. Time
    19. 19. HUMAN DEMOGRAPHIC TRANSITION: PHASE III Phase III: Industrial Phase-People are making so much money that they can save for retirement and realize they don’t need kids to care for them in their old age. Why? (activity) Result: Parents Phase I Phase II Phase don’t need kids. III They still want Population them, but often just a few. Result: Birth rate and death rate become equal. Time
    20. 20. HUMAN DEMOGRAPHIC TRANSITION: PHASE III Phase III: Industrial Phase-People are making so much money that they can save for retirement and realize they don’t need kids to care for them in their old age. Why? Phase I Phase II Phase III Population Time
    21. 21. HUMAN DEMOGRAPHIC TRANSITION: PHASE III Phase III: Industrial Phase-People are making so much money that they can save for retirement and realize they don’t need kids to care for them in their old age. Why? Phase I Phase II Phase Note that population III growth is zero, Population just like in Phase I, but now population is high! Time
    22. 22. HUMAN DEMOGRAPHIC TRANSITION: PHASE IV Phase IV: Post-Industrial Phase-People have grown so wealthy that they decide they want to travel, buy big houses, etc. They have zero or only one child. Phase I Phase II Phase Phase III IV Population Time
    23. 23. HUMAN DEMOGRAPHIC TRANSITION: PHASE IV Phase IV: Post-Industrial Phase-People have grown so wealthy that they decide they want to travel, buy big houses, etc. They have zero or only one child. Result: Death Phase I Phase II Phase Phase rate is higher III IV than birth rate Population so population declines. Time
    24. 24. HUMAN DEMOGRAPHIC TRANSITION: PHASE IV Phase IV: Post-Industrial Phase-People have grown so wealthy that they decide they want to travel, buy big houses, etc. They have zero or only one child. Result: Death Phase I Phase II Phase Phase rate is higher III IV than birth rate Population so population declines. Time
    25. 25. A DECLINING POPULATION What’s the result of a declining population in an industrial country? Phase I Phase II Phase Phase III IV Population Time
    26. 26. A DECLINING POPULATION What’s the result of a declining population in an industrial country? Too few workers to fill jobs. Phase I Phase II Phase Phase Productivity in III IV factories goes Population down. Some countries have negative unemployment rates. Time
    27. 27. PHASE IV PROBLEMS In Sweden, for example, Volvo started suffering and had to sell out to Chrysler (which turned out to be tragic!). They tried to import workers from Brazil to compensate. From the tropics (Brazil) to Sweden where it’s dark at 2 p.m. and cold 10 months a year. How do you think this worked out? In the U.S. as we approach Phase IV we have to “import” people from Mexico to fill jobs. We also outsource jobs to countries where populations are high and labor is cheap.

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