Chapter 5: Hidden Momentum of Population Growth in India


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  • © 2006 John Wiley & Sons, Inc. This presentation may be used and adapted for use in classes using the fourth edition of Human Geography in Action . It may not be re-distributed except to students enrolled in such classes and in such case must be password protected to limit access to students enrolled in such classes. Students may not re-distribute portions of the original presentation.
  • Chapter 5: Hidden Momentum of Population Growth in India

    1. 1. Chapter 5 One Billion and Counting: The Hidden Momentum of Population Growth in India
    2. 2. (p. 112) Earth’s Population History 1 billion reached circa 1830 2 billion reached 1930 (100 years later) 3 billion reached circa 1929 (29 years later) 4 billion reached circa 1974 (15 years later) 5 billion reached circa 1987 (13 years later) 6 billion reached circa 1999 (12 years later)
    3. 3. World Population Trend Figure 5.1 (p. 113)
    4. 4. Figure 5.4 (p. 116) World Population Trend
    5. 5. (pp. 112-113) Dynamics of Population
    6. 6. Figure 5.2 (p. 114) Measures of Population Change crude birth rate # of births per 1,000 population crude death rate # of deaths per 1,000 population crude rate of natural increase growth per 1,000 population - =
    7. 7. Figure 5.3 (p. 115) Demographic Transition Model
    8. 8. Figure 5.5 (p. 118) Contrasting Demographic Transitions
    9. 9. Table 5.1 (p. 117) Key Population Indicators for Selected Countries
    10. 10. Figure 5.6 (p. 119) Rapid Growth Countries Population Pyramids
    11. 11. Figure 5.6 (p. 119) Moderate (and Slowing) Growth Countries
    12. 12. Figure 5.6 (p. 119) Slow Growth Countries
    13. 13. Figure 5.6 (p. 119) Population Decline Countries
    14. 14. The Future of a Rapid Growth Country: Afghanistan
    15. 15. The Future of a Population Decline Country Italy
    16. 16. Breakdown by Ethnic Population Arizona 1990 Population = 3.7 million Arizona 1990 American Indian Population = 205,000
    17. 17. Western United States Make Your Own Population Pyramid on the Web: International Canada
    18. 18. Measures of Fertility Age-Specific Birth Rate Total Fertility Rate Zero Population Growth (ZPG) Replacement Fertility
    19. 19. Demographic Momentum • Occurs in an age structure with a large base and small top. • Very few elderly at the top of pyramid are available to die • Many children who will soon be in peak reproductive ages. • Compare the large number of children being born to the small number of elderly dying.
    20. 20. Name That Key Term
    21. 21. The difference between the crude birth rate and the crude death rate. Crude Rate of Natural Increase Annual number of live births per 1,000 population. Crude Birth Rate (CBR) Annual number of deaths per 1,000 population. Number of deaths of children under 1 year of age per 1,000 live births in a year. Infant Mortality Rate Crude Death Rate (CDR) The number of births to women in a certain age cohort divided by the number of women in that cohort. Age-Specific Birth Rate All individuals in a certain age range. Cohort
    22. 22. A state in which the crude birth rate minus the crude death rate equals zero. The number of deaths exactly offsets the number of births. Zero Population Growth (ZPG) The average number of children a woman would have during her reproductive years assuming the current fertility rates of women across all ages. Total Fertility Rate The fertility rate at which each female in a population produces on average one female baby who survives to the time when she herself can reproduce. Replacement Fertility A state in which forces of change are in balance. Equilibrium
    23. 23. Continued population growth long after replacement-level fertility rates have been reached. Demographic Momentum or Hidden Momentum A graph showing the number of males and females in discrete age cohorts (age categories). Population Pyramid Scattered settlements of a particular national group living abroad. Diaspora A model of population change from an equilibrium with high birth and death rates through a high-growth transition period in which death rates decline sooner than birth rates, to a new equilibrium with low birth and death rates. Demographic Transition Model
    24. 24. One Billion and Counting: The Hidden Momentum of Population Growth in India Chapter 5 Case Study
    25. 25. After completing this chapter, you will be able to: • Relate the shape of population pyramids to a country’s birth, death, and growth rates. • Differentiate population pyramids of countries with rapid, slow, and negative population growth. • Understand the hidden momentum built into current population pyramids. • Recognize the hypothetical nature of population projections.
    26. 26. Figure 5.8a & 5.8b (p. 123) Background on India
    27. 27. India's population, 1901 to 2000 Figure 5.7 (p. 122)
    28. 28. Total fertility rate in India, 1971 to 2000 Figure 5.9 (p. 124)
    29. 29. Figures 5.10 & 5.12 (p. 125 & 126)
    30. 30. Infertility clinics like this one in New Delhi reflect India's shift away from coerced birth control to individual choices. While providing the opportunity for birth control to those who want it, some individuals such as those served by this clinic may be more concerned with the opposite problem -- not being able to have any children.
    31. 31. Indian emigrants – diaspora around the world Commonwealth country laborers Remittances and development Destinations today: U.S., Great Britain, Canada, Australia Implications of population growth in India Supplies of freshwater are stretched to the limit Soil exhaustion and erosion Cultivating low-lying, hurricane-prone islands Overgrazing Protein consumption is 20% below nutritional needs Unable to provide social services and education Makeshift housing in squatter settlements Nonetheless, remarkable economic growth, large middle class, and leadership in the information economy
    32. 32. Activity 1: Matching Demographic Descriptions and Population Pyramids Online Activity
    33. 33. Activity 2: Demographic Momentum Online Activity
    34. 34. Activity 3: Interpreting Population Change Using the understanding you have gained by projecting India’s population pyramids into this hypothetical future, give a carefully worded explanation of how it is possible for a population to continue growing for several generations after women begin averaging only two children each. It may be particularly helpful to review your answers for Scenario 2 in Activity 2.