Population Age Structure and Growth: Concept 6-3
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Population Age Structure and Growth: Concept 6-3

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Questions and Answers

Why can a country with a large percentage of people younger than 15 experience rapid population growth?

  • High death rates among older individuals
  • Low birth rates among younger individuals
  • Demographic momentum (correct)
  • Decrease in life expectancy

    • What does a population's age structure refer to?

  • The number or percentage of males and females in different age groups (correct)
  • The geographic distribution of a population
  • The political system of a country
  • The economic status of a population

    • If a country has a narrow base in its age-structure diagram, what does this indicate?

  • High birth rates
  • Migration patterns
  • High death rates among young individuals
  • Low birth rates (correct)

    • What age group is considered postreproductive in a population age-structure diagram?

    <p>Ages 45 and older</p> Signup and view all the answers

    Why might the number of births continue to rise for several decades in a country even if women have only one or two children on average?

    <p>Demographic momentum</p> Signup and view all the answers

    What percentage of the world's population was younger than age 15 in 2009?

    <p>28%</p> Signup and view all the answers

    Why will almost all future human population growth take place in developing countries according to the text?

    <p>Different population age structure between developed and developing countries</p> Signup and view all the answers

    How is the baby boom generation described in the text?

    <p>They make up about 36% of all adult Americans</p> Signup and view all the answers

    Which country had the world's highest percentage of elderly people and lowest percentage of young people as of 2009?

    <p>Japan</p> Signup and view all the answers

    What demographic change occurs when a country experiences a 'baby bust' or 'birth dearth'?

    <p>Rise in the proportion of older people</p> Signup and view all the answers

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