the urban world
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11 Terms
1
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how is the worlds population changing?
- increasing
- since 1900s the bigger the global population has become the faster it has grown
- since 1900s the bigger the global population has become the faster it has grown
2
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what is urbanisation?
the proportion of the worlds population who live in cities
it is growing because of natural increase and migration
it is growing because of natural increase and migration
3
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what is urban growth?
the increase in the area covered by cities
4
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how does urbanisation vary around the world?
- in most hics over 60% of the population live in cities
- in south and south east asia around half the population live in towns and cities
- in many lics more than 20% live in cities
in africa the average urban population is almost 40%
- in south and south east asia around half the population live in towns and cities
- in many lics more than 20% live in cities
in africa the average urban population is almost 40%
5
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is urban population growing more or less quickly in less developed regions than in more developed regions?
- more quickly
- the largest growth in urban population by 2050 will take place in india, china and nigeria (all nees)
- the largest growth in urban population by 2050 will take place in india, china and nigeria (all nees)
6
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why do cities grow?
natural increase and rural-urban migration
7
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natural increase
-where the birth rate is higher than the death rate
- higher in lics and some nees because:
-\> there are lots of young adults aged 18-35
-\> improvements to health care have significantly lowered the death rate
- higher in lics and some nees because:
-\> there are lots of young adults aged 18-35
-\> improvements to health care have significantly lowered the death rate
8
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rural-urban migration
- the movement of people from the countryside into towns and cities
9
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rural-urban migration push factors
(leave countryside)
- farming is hard and poorly paid
- farming is often at subsistence level, leaving nothing to sell
- rural areas are isolated, often with few services
- farming is hard and poorly paid
- farming is often at subsistence level, leaving nothing to sell
- rural areas are isolated, often with few services
10
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rural-urban migration pull factors
(attracted to the city)
- a higher standard of living is possible
- there are better medical facilities
- there is a better chance of getting an education
- a higher standard of living is possible
- there are better medical facilities
- there is a better chance of getting an education
11
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what are megacities?
population over 10 million
3 types - slow-growing (often hics and no squatter settlements), growing (often nees and under 20% in squatter settlements), rapid-growing (often nees or lics and over 20% in squatter settlements)
3 types - slow-growing (often hics and no squatter settlements), growing (often nees and under 20% in squatter settlements), rapid-growing (often nees or lics and over 20% in squatter settlements)