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Published byNorah Jordan Modified over 8 years ago
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DEMOGRAPHIC TRANSITION MODEL Addie Rose Bullock and Madison Henry
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DEFINITION A model that shows the process of change in a society's population from a condition of high crude birth and death rates and low rate of natural increase to a condition of low crude birth and death rates, low rate of natural increase, and a higher total population.
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STAGE 1 CBR and CDR are both high. Lack of clean water Inefficient sewage. Shortages of food. The death rates fluctuates wildly. No countries in this stage
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STAGE 2 CBR stays high CDR drops very low High natural rate of increase Improvements in water, food, sewage, and hygiene Agricultural Revolution/better farming practices Every country in the world is at least at Stage 2
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STAGE 2 EXAMPLE
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STAGE 3 Declines in birth rates Drop in IMR (Infant Mortality Rate) Increased female literacy and rights Postponement of marriage
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STAGE 3 EXAMPLE
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STAGE 4 Careers for women Postponed marriage/ childbirth DINK’s (Dual Income No Kids) is much more common lifestyle choice CBR and CDR very low and approaching zero Total population very high
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STAGE 4 EXAMPLE
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SUMMARY
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