urban issues and challenges

• urbanisation definition


  an increasing percentage of a country's population comes to live in cities
• 2 types of urban growth

  migration, natural increase
• what can cause rural to urban migration

  push and pull factors
• push and pull factors (6)

  jobs, mechanisation of farming, government support, education, infrastructure, services
• what is a megacity

  10 million people
• 2 reasons for natural increase

  increase in birth rate - high fertility rate or lack of contraception

  lower death rate - better medical, higher life expectancy