Wednesday, November 9, 2011

Population Pyramids and the Demographic Transition

  • To understand the components of the population pyramid
  • To understand that the statistics represented in a popualtion pyramid can help human geographies determine what will happen to a country's population
  • Students should be able to gather annd analye population pyramids to determine a nation's

Population Pyramids
  • Graphically represent the age and gender distribution of a certain population
  • Can be represented by region or by country
  • hep human geographers determine what is happening to individual populations across the globe

Elements of the Population Pyramid
    • age: population pyramids wisually present the population of a particular country broken down by age
    • gender: population pyramid ate split. One side presents the number of males in a particular population; the other reflects the number of females within the same population

  • Young and Old populations: Percentage of population under age 15: global average is 30 percent, low is 17 percent(Europe); high of 42 percent(Africa); high number indicates great potential for future growth; Percentage of population over age 65: identifies need for health care and other social services
  • Life expectancy: average number of years a person is expected to live; affected by many factors

Generation Baby Boomer

No comments:

Post a Comment