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2010-11-02 17:09:27
Demography Study Changes Population

Study of Changes in Population
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  1. birthrate
    amount of births per every 1,000 persons
  2. deathrate
    amount of deaths per every 1,000 persons
  3. fertility rate
    amount of women in a population that find themselves in the reproductive stage of their lives: 13 – 35 years old.
  4. infant mortality rate
    number of deaths among infants under the age of one per every 1,000 live births
  5. life expectancy rate
    average amount of years a person is expected to live
  6. population density
    amount of people per square mile
  7. rate of natural increase
    number that indicates how fast the population is growing

    • birthrates
    • - deathrates
    • ___________
    • RNI
  8. push - pull factors
    reasons why people leave their country for another.
  9. nuclear family
    family made up of mother, father, and two children.
  10. extended family
    family where you have the parents, children, grandparents, and other family members living under the same roof.
  11. population pyramid
    diagram that shows the distribution of population in a country in terms of age and gender
  12. zero population growth
    • when birthrates are equal to death rates
    • first and fourth stage of population growth
  13. population explosion or population boom
    • when there are high birthrates and decreasing death rates
    • second stage of population growth
  14. factors that contribute to high population growth
    • social and economic status- poverty
    • lack of adequate education- ignorance
    • cultural and religious beliefs- traditions
    • availability of birth control methods
    • non-planned teenage pregnancies
    • high population rate of women in their reproductive stage.
  15. elements that produce changes in population growth
    • — birthrates
    • — death rates
    • — migration – push - pull factors
    • war
    • crime—
    • epidemics and illnesses
    • natural disasters – severe storms, earthquakes, volcanic eruptions, tsunamis, etc.