Popuation

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What is Population distribution?
The way in which people are spread out across the world. This distribution is often uneven and changes over time
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What is population density?
The average number of people per square kilometre, showing whether an area is sparsely or densely populated
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What is birth rate?
The number of births per thousand population each year
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What is death rate?
The number of deaths per thousand population each year
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What is life expectancy?
The average age someone in a country lives until
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What is dependency ratio?
A measure showing the number of dependants, aged zero to 14 and over the age of 65, to the total population, aged 15 to 64.
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What is infant mortality rate?
The number of deaths in children under one per thousand live births
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What is natural increase?
The difference between a death rate and birth rate of a country or place
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What factor increases death rate?
Disease/famine
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What factors decrease birth rate?
Providing contraception and educating people
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How many stages does the Demographic Transition Model have?
Five
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In which stage of the Demographic Transition Model is Birth Rate and Death rate low?
Stage 4
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In which stage of the Demographic Transition Model does death decrease rapidly?
Stage 2
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What is over population?
The number of people living in a place outweighs the availability of resources.
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What are the effects of over population?
Not enough food, water, housing or facilities to accommodate the population
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What is an ageing population?
when the median age of a country or region increases
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What causes ageing population?
Often due to rising life expectancy and/or declining fertility rates.
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What are the push factors for people leaving an area?
lack of services, lack of safety, high crime, crop failure, drought, flooding, poverty, war
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What are the pull factors for people going to an area?
higher employment, more wealth, better services, good climate, safer, less crime, political stability, more fertile land, lower risk from natural hazards
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What is urbanisation?
the increase in the proportion of people living in towns and cities.
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What causes urbanisation?
Urbanisation occurs because people move from rural areas (countryside) to urban areas (towns and cities)- usually occuring when a country is still developing.
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Other cards in this set

Card 2

Front

What is population density?

Back

The average number of people per square kilometre, showing whether an area is sparsely or densely populated

Card 3

Front

What is birth rate?

Back

Preview of the front of card 3

Card 4

Front

What is death rate?

Back

Preview of the front of card 4

Card 5

Front

What is life expectancy?

Back

Preview of the front of card 5
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