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Cards In This Set
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What two things affect the size of the world's population?
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Birth rate and death rate
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Re wold population, explain natural increase and natural decrease.
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N.I. is whe the birth rate is higher than the death rate, ie more people are being born than are dying.
N.D. is when the death rate is higher than the birth rate ie more people are dying than are being born |
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What is the population size of a country also dependent on?
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Migration - the movement of people from one country to another.
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What is shown by the DTM ?
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Demographic transition model, the five different stages of population growth
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What are the characteristics of Stage 1 of the DTM?
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Birth & death rates high and fluctuating, population growth of zero, population size, low and steady
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What are the characteristics of stage 2 of the DTM?
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BR High and steady, DR rapidly falling, population growth rate - very high, population size - rapidly increasing
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What are the characteristics of stage 3 of the DTM
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BR- rapidly falling, DR, Slowly falling, population growth rate - High, Population size Increasing
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What are the characteristics of Stage 4 of the DTM?
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BR - low and fluctuating DR Low and fluctuating, population growth rate zero population size High and steady
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What are the characteristics of stage 5 of the DTM?
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BR slowly falling - DR Low and fluctuating population growth rate Negative population size slowly falling
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Which stages of the DTM are poorer nations in?
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Earlier stages
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Which stages of the DTM are richer nations in?
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Latter stages.
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What factors affect the population structure of a country, and how is it shown?
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Age group and sex
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What does emancipation of women mean, and how does it affect population growth?
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They have a more equal place in society, they are better educated. Birth rate falls, as contaception becomes understood. mor women work, rather than have children.
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In poorer societies, why is birth rate high?
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Poor understanding of contraception, people have lots of children because mant infants die
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Describe what the population pyramid looks like when the life expectancy is low?
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Narrow bands at the top, wide bands at the bottom
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