Geography. – Population pyramid

29 Mar

 

Definition : A bar graph showing the percentage of the age, sex and race of the population.

Structure :

1) Age :

  • Young/School age. (0-19 years old) – Dependent.
  • Working age. (20-60  years old) – Independent.
  • Retired /Ageing people. (60 above) – Dependent

2) Sex : Male and Female.

3) Race : Ethnic group. eg. Malays, Chinese, Indians, White, Black.

Types :

  1. Stationary.
  2. Belly Shaped/U-shaped.
  3. Contracting.

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