Population Dynamics

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10 Terms

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Demographic transitions

5 stages show birth/death rate changes as country industrializes

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birth rate (natality)

number of lives birth per population

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death rate (mortality)

number of death per population

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rate of natural increase (RNI)

birth rate - death rate

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fertility rate

average # of children born to menstruating people in population during their lifetime

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replacement rate

rate needed to keep population steady

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life expectancy

varies by region/time

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doubling time

how long for the population to doube

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elderly support ratio

population aging puts pressure on society’s ability to support its elderly citizens

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population control

past methods: forced sterilization, one-child policy (child)

effective strategies: female literacy, healthcare, access to contraception, economic supports