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15 Cards in this Set
- Front
- Back
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doubling time |
rule of 70, 70 divided by the percent growth rate |
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replacement level fertility |
the number of children a couple must have to replace themselves |
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total fertility rate |
average number if children birn to a woman over her lifetime |
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world population |
7.3 billion U.S. population....310 million |
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preindustrail stage |
birth and death rates high, population grows slowly, infant mortality high |
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transitional stage |
death rate lower, better health care, population grows fast |
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industrail stage |
decline in birth rate, population growth slows |
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postindustrail stage |
low birth and death rates |
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age structure diagrams |
broad base=rapid growth narrow base=negative growth uniform shaoe=zero growth |
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growth rate |
R=(B + I) (D + E) /population b=births I=immagration E=emmagration d=deaths |
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immagrations/emigration |
to enter ones country/ to leave a country |
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major age cohorts |
pre-reproductives, reproductive, post-reproductive |
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most populated country |
1) China 2) India 3) USA |
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most important thing affecting population growth |
low status of women |
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ways to decrease birth rate |
improve status of women, family planning, contraception, economic rewards and penalties |
