1942533
Descrição
Mapa Mental por daniel.randle, atualizado more than 1 year ago
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Criado por daniel.randle
quase 10 anos atrás
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Population - The Demographic Transition Model
- Stage One
- Very high birth rate
- High infant mortality rate
- Uneducated population
- Children are future sources of income
- Lack of family planning
- Religious beliefs
- Many kids is a sign of fertility
- High infant mortality rate
- Very high death rate
- Very poor hygiene
- Bad healthcare (lack of technology)
- Average life expectancy is very low
- Wide-spread diseases
- Lack of clean water
- Famine
- War
- Very poor hygiene
- Birth rate and death rate are both high anfd fluctuating
- Examples of stage one may be tribes and parts of Ethiopia
- Typical of Britain in
the 18th century
- Total population
low, increasing
slowly
- Very high birth rate
- Stage Two
- Falling death rate because
- Healthcare is improving dramatically and quickly
- Improved hygiene
- Improved sanitation
- Improved food production and storage
- Improved transportation
- Means people can reach hospitals quicker
- Food can be transported more easily
- Means people can reach hospitals quicker
- Falling infant mortality rate
- Healthcare is improving dramatically and quickly
- Death rate has fallen but birth rate is still high
- Examples would be Bangladesh, India and Nigeria
- Typical of Britain in the 19th century
- Total population
increasing massively
- Falling death rate because
- Stage Three
- Birth rate starts to fall
- Death rate continues falling
- Total population is still increasing
- Reasons for falling birth rate
- Family planning becoming more common
- Lower infant mortality rate
- Increased mechanization
means less workers are
needed
- Means children are no longer future sources of income
- Means children are no longer future sources of income
- Increased standard of living
- Changing status of women
- Family planning becoming more common
- Examples include China and Brazil
- About the point at
which a country goes
through the industrial
revolution
- Britain at the end of
the 19th century,
start of the 20th
century
- Birth rate starts to fall
- Stage Four
- Low birth rate
- Low death rate
- Total population is steady
- Sometimes birth rate
may fall below death rate
- Known as low fluctuating
- Examples include Canada, the USA and Britain
- Britain today
- Post 1940
- Post 1940
- Low birth rate
- Stage Five
- Birth rate stays low
- May even decrease slightly
- May even decrease slightly
- Death rate starts to increase
- Results in a declining population
- Results in an ageing population
- Causes pension problems and
housing problems (bungalows)
- Causes pension problems and
housing problems (bungalows)
- Examples are Russia, Germany and Japan
- Death rate may rise slightly due to
poor dieting and smoking/alcohol
consumption
- Britain in the close future (maybe 2050)
- Birth rate stays low
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