This map shows the information about world consumption level. To begin with, we can see that the low and middle-income population almost doubled from 1960 to 2004. According to the graph, the high-income population presented a much slower increase in that period. Last but not the least, the low-income population was mainly in South Asia and the middle part of Africa. In conclusion, the high-income population was mainly in developed areas, such as north America, Australia and Europe.