Monday, October 28, 2019

population pyramid

Today in class while Charlotte took the cia.gov part of the test, we took notes on population pyramids. Here are some of the notes I took:

  • Goes from 1950-2100
  • Shows population of the world -7,678,174,656
  • shows distribution of various age groups in a population
  • forms shape of pyramid when the population is growing
  • Males - left & Females - right
  • Used to visualize the age of a particular population
  • has y axis: age group, and x axis: population size
ex.
Image result for population pyramid"
Key Terms:
Demography - the science of vital and social statistics, as of the births, deaths, diseases, marriages, etc., of populations.

Aging - a period of human life, measured by years from birth, usually marked by a certain stage or degree of mental or physical development and involving legal responsibility and capacity.

Retirement - the act of retiring or of leaving one's job, career, or occupation permanently, usually because of age


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