Changing the way you learn

Under/ over population
1. Under
  1. Advantages
    1. Plenty of food/ resources
    2. More land
    3. Enough housing
  2. Disadvantages
    1. Not enough people to work land
    2. Economy falls
    3. Can't achieve optimum output
    4. Poor levels of education and health
    5. Houses/ property becomes derelict
    6. Famine
2. Over
  1. Advantages
    1. High skilled workers
    2. Diverse culture
    3. High productivity
  2. Disadvantages
    1. High competition
    2. Lack of housing
    3. Lack of resources
    4. High unemployment
    5. Lack of fuel
    6. Lack of clean water
    7. Pollution
    8. Disease and poverty
  3. Case study: Lake Titicaca, border of Bolivia and Peru
    1. Lake is becoming polluted by increasing levels of waste from fast-growing cities
    2. El Alto, Bolivia has grown 4% a year for the last 2 decades as rural peasants seek a better life
      1. 2nd largest city and largest urban centre in the Titicaca watershed
    3. Raw sewage, garbage and industrial waste are all dumped into the Seco River upstream near El Alto
    4. Chronic poverty and lack of access to services - tackling pollution is an issue
    5. "Construction of a new plant to treat more wastewater is at best, years away"
    6. Birth defects in livestock
    7. Shore water is breeding ground for several species of fish on which locals depend for their livelihood
      1. Young fish that formerly grew to maturity have migrated deeper into the lake
        Diminished population and size
      2. Now overfishing has forced many fishermen to migrate to cities
Ageing population
1. Advantages
  1. Elderly who keep working rather than retire can do lower paid jobs
  2. Ageing population = lower interest rates
    1. Economy benefits of low inflation
  3. Elderly can maintain culture + religion
  4. Elderly good source of childcare
  5. Post-retired people have lots of time to contribute to society
2. Disadvantages
  1. Increased demand for care - added burden
  2. Higher demand for accommodation
    1. Retirement homes
  3. Can create negative inflation
    1. Japan - Elderly taking pensions + spending none back in economy
  4. More elderly than working age - drop in productivity
  5. Increased health care needs + costs
  6. Increase of age related deaths
3. Case study: East Devon
  1. Lots of holiday homes
  2. 53% dependency ratio
  3. Pleasant scenery
  4. High demand for healthcare + services
    1. Operations
  5. Most elderly money is spent on health, transport and beauty
  6. 'Buttercup buses'
    1. Wheelchair access
    2. Needs fundraising
  7. Home delivery - people get food without needing to visit shops
HIV/ AIDs
1. 2008 - 31.3 million with HIV worldwide
2. 2008 death toll - 2 million
3. 2006 - $9 billion raised by UN donors
  1. Money goes to 3 areas
    1. Education
    2. Caring for orphans
    3. Treatment for infected
4. Case study: Sub-Saharan Africa
  1. 22.4 million infected (72% of people worldwide)
  2. Accounts for 15 million of 20 million deaths
    1. 1.4 million in 2008
  3. 1.9 million with HIV
  4. More than 14 million children lost 1 or both parents
  5. Signs of prevention programmes
    1. Senegal
      1. Only 27,000 of 9.6 million HIV positive
    2. Uganda prevalence rate 14% 1990s
      1. Low in comparison to some places of 31%
      2. National rate now 6.1%
        Very stronge anti-HIV messages sent to Uganda
        Led to increase in sexual abstinence

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What are the demographic challenges facing countries?

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	Created by RoryFlynn2 almost 11 years ago