Megacity and growth

• What is a megacity?

  Cities that have a population of over 10 million
• Name two examples of megacities.

  New York and Sao Paulo
• What was a significant factor contributing to urban growth in the second half of the 20th century?

  The world's population increased at an unprecedented rate
• What percentage of the world's population now lives in urban areas?

  Over 50%
• In which type of countries has the rate of urban growth been particularly rapid?

  Developing countries
• How many cities have populations exceeding 1 million?

  More than 200
• What is expected about the global population living in urban areas by 2030?

  Over 50% is expected to live in urban areas
• What are some challenges presented by rapid urban growth?

  Challenges include urban planning, infrastructure, and environmental issues
• What issues have arisen due to the rapid growth of megacities?

  Overcrowding, lack of adequate housing, and increased strain on resources
• What is required to address the challenges of rapid urban growth?

  Comprehensive urban planning and sustainable development strategies
• Reasons for growth

  • economic development
  • population growth
  • economies on scale
  • multiplier effect