Lesson 10- Megacities and World cities

Question 1

Megacity

Answer 1

A megacity is an urban agglomeration with a population of more than 10 million people

-definition has changed over time to adapt to the relativity of city size and global polulations

Question 2

Megacity growth and distribution

Answer 2

• 1990-10
• 2010-22
• 2020-30
• 2030-43

18 in Asia, 4 in South America, 4 in Africa, 3 in Europe and 2 in North America

Question 3

Immature megacities

Answer 3

• Growing rapidly in uncontrolled way
• Lagos, Nigeria
• 4.5% annual growth rate
• 70% in slums
• 6% households with piped water supply

Question 4

Consolidating megacities

Answer 4

• Slower growth, can begin to provide basic services>self help schemes
• Mumbai, India
• 2.3% annual growth rate
• 55% in slums
• 87% households with piped water supply

Question 5

Mature megacities

Answer 5

• Have a more developed formal economy with large service industries
• Sao Paulo, Brazil
• 1.9% annual growth rate
• 30% in slums
• 96% households with piped water supply

Question 6

Established megacities

Answer 6

• Have advanced and effective governance
• London,UK
• 1% annual growth rate
• 0% in slums
• 100% of households with piped water supply

Question 7

Megacity characteristics

Answer 7

• They produce two to three times more GDP than other cities
• Growth can fuel political pressure for change as protests are more common in urban areas
• Centres of innovation where many solutions to global problems are trialed

Question 8

World city

Answer 8

• Cities which have a great influence on a global scale, because of their financial status and worldwide commercial power
  -subjective

-cities at top of hiarchy are London, New York and Tokyo

Question 9

Wold City characteristics

Answer 9

• Centres of media and communications for global networks
• Great decision-making power at a global level
• Domination of the trade and economy