urban issues and challenges

• whats urbanisation


  the rise in the proportion of people living in towns and cities, defined as urban areas
• whats the global pattern for urban change?

  More than 50% of the world's population is living in urban areas
• which parts of the world are cities growing greatest?

  asia and africa
• whats happening to cities in LICs?

  development is increasing
• whats happening to cities in HICs?

  development is slowing
• what factors affect the rate of urbanisation?

  migration and natural increase
• what causes migration?


  push and pull factors
• whats natural increase?


  when there is a higher birth rate than death rate
• what can cause birth rates to change?

  • Lack of family planning education or contraceptives.
  • In rural areas children are needed as labour on farms. ...
  • Women have a large number of children as there is a high level of infant mortality.
  • Culture/religion mean it is unacceptable to use contraception
• whats a megacity?

  a city w a population > 10 million