FertiltyMortality
 Is   a result of two factors: ● Fertility ● Mortality
   The ratio of births to    population of a given area   It is measured by:       CRUDE BIRTH RATE (CBR)       FERTIL...
   most common measure of fertility.   Gives an overall picture of the number of births    per 1000 population in a year...
 What is thelimitation ofthe indexmeasurement?
 Itdoes not take into account the age and sex distribution of the population
   It is the average number of children born to a woman    during her lifetime   Varies geographically    ◦ e.g in 1994:...
   Is the level at which each generation of women has    only enough daughters to replace themselves in the    population...
 Mortality may prevent a proportion of the female children from reaching their productive years and also, on average, sli...
   Find the natural increase if   a. BR = 25/1000           DR = 10/1000   b. BR = 5/1000            DR = 10/1000   c....
   High fertilty rates ( 4.0 & above)   Medium fertility rates (2.2 – 3.9)   Low fertility rate: (2.1 & below)
a. Infant and child mortalityb. Population momentumc. Views towards childrend. Status for womene. Cultural factorsf. Relig...
 Isthe ratio of deaths to the population of a given area
   CRUDE DEATH RATE (CDR)   INFANT MORTALITY RATE (IMR)   LIFE EXPECTANCY   MATERNAL MORTALITY RATE (MMR)   AGE SPECI...
   The number of deaths per 1000    population in a year   Formula :   CDR = total number of deaths x1000              ...
 Yes!!! Itshows whether there is improvement in health system or not. If the CDR is low meaning there is improvement in...
   It is a measure    of the number    of deaths of    infants before    the age of one    per 1000 live    births in a y...
   Children respond    easily to the state of    their mother’s health    and the state of pre    and ante-natal    servi...
   The average    number of years a    person is expected    to live   When mortality    declines, life    expectancy wi...
   Ageing population   Accessibility to amenities   Government commitment to improve health care   Living environment...
   Population growth is even slower in developed countries    Stabilising birth rates    & increasing death    rates hav...
 Lack of clean water Lack of food Poor hygiene and sanitation Overcrowding Contagious diseases such as diarrhea  and ...
 Clean water is readily available Reliable food supply Good hygiene and sanitation Lower population densities Better ...
   Highest death rates    are found in LEDCs    esp. Sub-Saharan    Africa.   Mali, Gambia, Sierra    Leone, Uganda, Zam...
   Up to 600 women die    for every 100000    children born   Pakistan – high DR    among females, due to    malnourishe...
 In1990s – DR increased in Russia, Belarus, B ulgaria, Estonia, L atvia, Romania, U kraine, Moldova
 Increase Cardiovascular disease Accidents Suicides Murders Stress Substance abuse (smoking & drinking)   All these...
 The greater the proportion of population in the old age (65+), the higher the death rate for the population as a whole
 Mr. Henry Allingham was born on June 6, 1896 and is now 112.
   Of the 40,399    centenarians, 87    percent are    women, the Health and    Welfare Ministry said.   Japans centenar...
 By2066, there are predicted to be over half a million people aged over 100
   Increase in the dependency ratio. This means that there    will be more people claiming benefits such as state    pens...
   Increase participation rate,   Raise the retirement age   Increase the importance of the private    sector in provid...
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
Population growth lesson3
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Population growth lesson3

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Population growth lesson3

  1. 1. FertiltyMortality
  2. 2.  Is a result of two factors: ● Fertility ● Mortality
  3. 3.  The ratio of births to population of a given area It is measured by:  CRUDE BIRTH RATE (CBR)  FERTILITY RATE /  TOTAL FERTILITY RATE (TFR)  REPLACEMANT LEVEL FERTILITY (RLF)  CHILD WOMEN RATIO  AGE SPECIFIC FERTILITY RATE
  4. 4.  most common measure of fertility. Gives an overall picture of the number of births per 1000 population in a year. The number of births per 1000 people in a population per year Formula: CBR = total number of births x 1000 total population
  5. 5.  What is thelimitation ofthe indexmeasurement?
  6. 6.  Itdoes not take into account the age and sex distribution of the population
  7. 7.  It is the average number of children born to a woman during her lifetime Varies geographically ◦ e.g in 1994: ◦ Sierra Leone, TFR of 6.5 while ◦ UK, TFR of 1.8 Changes with time
  8. 8.  Is the level at which each generation of women has only enough daughters to replace themselves in the population What is the ideal replacement level? 2.1 0r 2
  9. 9.  Mortality may prevent a proportion of the female children from reaching their productive years and also, on average, slightly more boys are born than girls
  10. 10.  Find the natural increase if a. BR = 25/1000 DR = 10/1000 b. BR = 5/1000 DR = 10/1000 c. BR = 10/1000 DR = 10/1000
  11. 11.  High fertilty rates ( 4.0 & above) Medium fertility rates (2.2 – 3.9) Low fertility rate: (2.1 & below)
  12. 12. a. Infant and child mortalityb. Population momentumc. Views towards childrend. Status for womene. Cultural factorsf. Religion factorsg. Political factors
  13. 13.  Isthe ratio of deaths to the population of a given area
  14. 14.  CRUDE DEATH RATE (CDR) INFANT MORTALITY RATE (IMR) LIFE EXPECTANCY MATERNAL MORTALITY RATE (MMR) AGE SPECIFIC DEATH RATE (ASDR)
  15. 15.  The number of deaths per 1000 population in a year Formula : CDR = total number of deaths x1000 total population
  16. 16.  Yes!!! Itshows whether there is improvement in health system or not. If the CDR is low meaning there is improvement in health and if there is no improvement, CDR will be high
  17. 17.  It is a measure of the number of deaths of infants before the age of one per 1000 live births in a year
  18. 18.  Children respond easily to the state of their mother’s health and the state of pre and ante-natal services
  19. 19.  The average number of years a person is expected to live When mortality declines, life expectancy will increase
  20. 20.  Ageing population Accessibility to amenities Government commitment to improve health care Living environment Colonial past influence in LEDCs Education among mothers and adults Aids epidemic
  21. 21.  Population growth is even slower in developed countries Stabilising birth rates & increasing death rates have already led to natural population decrease in Italy & Germany Japan & Spain are expected to follow soon
  22. 22.  Lack of clean water Lack of food Poor hygiene and sanitation Overcrowding Contagious diseases such as diarrhea and respiratory infections Poverty The occurrence of war
  23. 23.  Clean water is readily available Reliable food supply Good hygiene and sanitation Lower population densities Better vaccinations and health care Rising standards of living
  24. 24.  Highest death rates are found in LEDCs esp. Sub-Saharan Africa. Mali, Gambia, Sierra Leone, Uganda, Zambi a – DR of 20/1000
  25. 25.  Up to 600 women die for every 100000 children born Pakistan – high DR among females, due to malnourished & limited access to health care
  26. 26.  In1990s – DR increased in Russia, Belarus, B ulgaria, Estonia, L atvia, Romania, U kraine, Moldova
  27. 27.  Increase Cardiovascular disease Accidents Suicides Murders Stress Substance abuse (smoking & drinking) All these linked to increased unemployment, and worsening living condition
  28. 28.  The greater the proportion of population in the old age (65+), the higher the death rate for the population as a whole
  29. 29.  Mr. Henry Allingham was born on June 6, 1896 and is now 112.
  30. 30.  Of the 40,399 centenarians, 87 percent are women, the Health and Welfare Ministry said. Japans centenarian numbers rank it second in the world behind the United States, which now has more than 96,000, according to U.S. Census Bureau estimates. But the U.S. population is more than double that of Japan.
  31. 31.  By2066, there are predicted to be over half a million people aged over 100
  32. 32.  Increase in the dependency ratio. This means that there will be more people claiming benefits such as state pensions and less people working and paying income taxes Increased government spending on health care and pensions Those in work will have to pay higher taxes. This could create disincentives to work and for firms to invest, therefore there could be a fall in productivity growth. Shortage of workers. This shortage of workers could push up wages causing wage inflation. Alternatively, firms may have to respond by encouraging more people to enter the workforce, through offering flexible working practices.
  33. 33.  Increase participation rate, Raise the retirement age Increase the importance of the private sector in providing pensions and health care. However this may cause increased inequality
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