Planning and management needs to happen in all countries over the world because no matter how different the level of development between countries the problems will be same in urban areas. These problems that need to be planned and managed in the urban areas of the city are becoming increasingly significant due to the fact that there has been a hug increase in the number of people living in cities worldwide, just over fifty percent of the world are now living in urban areas. The main reason for this is the huge increase in urbanisation which is defined as an increase in the proportion of people living in towns and cities. Urbanisation is currently at eighty/ninety percent globally. Another reason for this huge increase is the fact that the high income groups are now moving back into the inner city because of redevelopment in some countries, this is known as re-urbanisation. The main question that needs to be evaluated though is that to what extent does economic development effect the planning and management in urban areas?
A good example is the UK, as 80% of the UK residents live in towns and cities, which be necessity must meet todays socio-economic, environmental and technological circumstances. Within these urban areas the rich and poor tend to locate spatially in different parts of the city. In general those who are most disadvantaged tend to concentrate in the Inner City. The most pressing problems in the urban areas are; the huge high population density creating an urban doughnut. The retail sector suffers, shops become boarded up and there is a lack of choice. There is and increase in empty and derelict properties. Many health issues arise due to pollution, damp housing, poor diet etc. There is a high crime rate including vandalism and graffiti. There is a high unemployment rate as the inflow of people into