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Families and Households

Life expectancy, ageing and the beanpole family

  • 3 things to know
  • AS Unit 1

Overview

Life expectancy, ageing population and dependency ratio.

What you need to know

Answer each one before you reveal it.

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Key term

Define life expectancy.

Key term

Give three reasons life expectancy has risen over the last century.

Key term

What is meant by an ageing population?

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    Define life expectancy.

    Model answer

    Life expectancy is the average number of years a person born in a given year can expect to live.

  2. 2

    Roughly what is life expectancy at birth in England and Wales?

    Model answer

    It is around 79 years for men and around 83 years for women.

  3. 3

    Give three reasons life expectancy has risen over the last century.

    Model answer

    Public health and sanitation improved, nutrition and housing got better, and medical treatment and vaccination cut deaths from infectious disease.

  4. 4

    What is meant by an ageing population?

    Model answer

    An ageing population is one in which the average age is rising because people live longer and fewer children are born.

  5. 5

    Define the dependency ratio.

    Model answer

    The dependency ratio compares the number of people who are not of working age with the number who are.

  6. 6

    What is a beanpole family?

    Model answer

    A beanpole family is vertically extended over three or four generations but has very few members in each generation.

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