Population change

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  • Population
    • How is Population affected?
      • Birth rate - the number of live births per thousand per year
      • Death rate - the number of deaths per thousand per year
      • Migration - the movement of people in (immigrants) and out (emigrants) of a country
    • Demographic Transition Model
      • Stage 1 Br=high Dr=high Totalpop=Low
      • Stage 2  Br=high Dr=Falling Totalpop= increasing
      • Stage 3 BR=Falling Dr=low  Totalpop= Increasing
      • Stage 4 Br=low Dr=low Totalpop=high
      • Stage 5 Br=low Dr=low Totalpop=low
    • Reasons for birth and death rates
      • Birth Rates
        • Little or no contraception
        • Children seen as assets
      • Death Rates
        • High amount of diseases
        • Poor housing or hygiene
        • Little or no health care
    • Coping with over population
      • China
        • One child policy established in 1979, benefits included cash bonuses, better childcare and  longer maternity leave. People with more than 1 child were sacked from jobs, have a abortion, fined an forcibly sterilised.
    • Coping with under population
      • Singapore
        • Few workers to support its ageing population. The policy in the 1960's to reduce the birthrate was so successful a new policy was put in place "have 3 or more - if you can afford it.' Benefits included cheaper nurseries, spacious apartments, preferential access to best schools, $3000 for 1st + 2nd Child, $6000 for 3rd + 4th + counselling discouraged women from abortions
    • An ageing population
      • HIC's are experiencing it. The UK in 2008 had 10 million people over the age of 65, this is expected to increase to 16 million in the next 20 years
      • +
        • Disposable income, more grey ghettos
      • -
        • Fewer people in workforce, less tax to help pensions, elderly live in care homes
    • Distribution due to human and physical factors
      • China
        • Physical
          • Mountainous areas make it hard to grow crops and lower rainfall leads to drought conditions
        • Human
          • Economic growth and communications
      • Uk
        • Human
          • Employment, Trade and Transport and Accessibility
        • Physical
          • Resources, climate, relief and soil, flat land


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