Stages of DTM

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  • Created by: Ben
  • Created on: 17-01-13 11:22

Stage 1 - high birth rate and high death rate

  • BR and DR fluctuate at a high level.
  • The population remains stable but low.
  • BR is high because of no contraception, family planning or education.
  • BR is high because of high infant mortality - people have more children to replace others.
  • DR is high as life expectancy is low because of poor healthcare, sanitation and diet - leading to starvation and disease.
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Stage 2 - high birth rate and death rate falls

  • DR falls, BR remains high.
  • Population increases rapidly.
  • Countiries: e.g. Nepal and Afganistan.
  • BR still high because of little contraception e.t.c.
  • BR remains high for labour reasons - more family members mean more money.
  • DR falls as life expectancy incraeses due to improved sanitaion, healthcare and diet.
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Stage 3 - birth rate falls a lot and death rate fa

  • BR declines rapidly, DR falls slowly.
  • Population incraeses at slower rate.
  • Countries: e.g. Egypt
  • BR decreases due to increased use of birth control and better education.
  • BR drops as economy moves towards manifacturing - fewer children needed for work.
  • BR falls due to the emancipication of women.
  • BR sometimes falls due to government policy.
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Stage 4 - low birth rate and low death rate

  • BR and DR fluctuate at a low level.
  • Population stable but high.
  • Contries: e.g. USA
  • BR stays low due to access to luxuries and material possessions - can't afford to have children.
  • Fewer advantages to having children - not needed for work.
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Stage 5 - birth rate drops below death rate

  • BR begins to decline further than DR.
  • DR remains stable.
  • Population begins to decrease.
  • Countries: e.g. MEDC's - Japan and UK.
  • BR decreases as children are expensive to raise.
  • BR also decreases because of dependent elderly relatives.
  • DR remains stable as there are more elderly people so people die of old age.
  • Ageing population.
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