The document discusses urban population growth and models of urban land use. It notes that the number of people living in cities has increased to 50% of the world's population by the 20th century. Most of the growth has occurred in developing countries, where 24 of the 30 largest cities are expected to be located by 2015. Urban areas in developing countries face issues like chaotic urban sprawl, poor living conditions, and inequality compared to cities in developed nations. The document also outlines common urban land use models seen in both more and less economically developed countries.

3. TRY TO FIND OUT THE ANSWER IN THIS TEXT Why do people migrate to cities and what are the consequences of this according to the text?

6. 2.B URBAN MODELS IN MEDCs The burgess or concentric model

7. THE HOYT MODEL

12. 2.C URBAN MODELS IN LEDCs LEDCs have similar land-use needs to MEDCs , but the pattern of land use in urban areas is different.