geography

• How do populations change

  1. Birth

  2. Death
• Why do we need to measure population growth

  To know how many roads, schools, houses we need
• Census


  Survey taken by the government for population change
• Make sure to study the Presentation 8.1 on teams
• Population distribution


  How many people are spread around
• Positive and negative settlement factors

  • Positive factors are good things
  • Negative factors are disaster, wars
• Low population density


  Less population
• Types of population distribution

  • Sparsely populated
  • Densely populated
• Birth rates


  Births per 1000 per year
• Death rates


  Deaths per 1000 per year
• Natural increase


  Birth rate or decrease death rate
• Stages of Demographic Transition Model

  1. Stage 1: Both high

  2. Stage 2: Birth still high, death starts to get low

  3. Stage 3: Death low, birth rate fall

  4. Stage 4: Death low, birth low

  5. Stage 5: Death low, birth very low
• Demographic Transition Model


  5 stages of population change
• Population pyramid


  Shows age and gender
• Be able to read and analyse a population pyramid
• Check the presentation names 8.3 and 8.4 population structure
• Underpopulation


  Low population
• Why underpopulation is bad


  Wrong resources are being used
• Overpopulation


  High population
• Why overpopulation is bad


  Wrong resources are being used
• China's one-child policy


  • Caused overpopulation, then underpopulation
• Check the presentation named 8.3 and 8.4 population structure
• Immigration


  Moving to a separate country
• Emigration


  Permanently moving from a country
• Pull factors


  • Economic, better jobs
• Push factors


  • No paid jobs, country that pushes you out
• How do populations change

  1. Birth

  2. Death
• Why do we need to measure population growth
• Census


  Survey taken by the government for population change
• Make sure to study the Presentation 8.1 on teams
• Population distribution


  How many people are spread around
• Positive and negative settlement factors

  • Positive factors are good things
  • Negative factors are disaster, wars
• Low population density


  Less population
• Types of population distribution

  • Sparsely populated
  • Densely populated
• Birth rate


  Births per 1000 per year
• Death rate


  Deaths per 1000 per year
• Natural increase


  Birth rate or decrease death rate
• Stages of Demographic Transition Model

  1. Stage 1: Both high

  2. Stage 2: Birth still high, death starts to get low

  3. Stage 3: Death low, birth rate fall

  4. Stage 4: Death low, birth low

  5. Stage 5: Death low, birth very low
• Population pyramid


  Shows age and gender
• Be able to read and analyse a population pyramid