why have death rates (DR) in developing countries slowed ?
-they are starting to have better health care. -charities and aid camps are improving conditions.
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Life expectancy ?
the number of years a person is expected to live, usually taken from birth.
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zero growth ?
a population in balance, birth rates are equal to death rates, so there is no growth or decresase.
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population ?
population means the number of people living in an area,country or even the world .
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natural increase (NI)?
the birth rate exceeds the death rate
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natural change ?
the difference between birth rates and death rate,expressed as a percentage .
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Death rates ?
the number of deaths per 1000 people per year
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birth rates ?
the number of babies born per 1000 people per year.
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Exponential growth ?
a pattern where the growth rate constantly increases , often shown as a j-curve graph.
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natural decrease ?
the death rate exceeds the birth rate .
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reasons for high birth rates ?
- some governments dont approve of birth control,many women receive little formal education and marry young, family planning clinics are not always available specially in rural areas.
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reasons for low birth rates ?
-family planning is practiced by nearly all couples , women are well educated and career orienrted, it costs to look after a child specially in the UK until the age of 21.
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Other cards in this set
Card 2
Front
Life expectancy ?
Back
the number of years a person is expected to live, usually taken from birth.
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