The line graph illustrates the change in income levels in four regions Africa, America, Europe and Aisa, between 1960 and 2010, measured in billion dollars
Overall, America and Europe recorded significant higher income levels than Africa and Asia throughout the period. While the Africa showed minimal growth, Asia experienced a steady increase. Europe fluctuated slightly and peaked in 2008 before declining whereas America maintained a strong upward trend
In the 1960 the incomes of Africa were relatively low at round 10 billion dollar, whereas the figure for America was considerably higher. over the following two decades, Africa experienced only a slight increase in income, remaining at approximately 10 billion dollars in 1980. In contrast, America witnessed a significant growth in its income during the period, widening the gap between the two regions
In 1960, Europe income stood at about 10 million dollars, while the figure for Asia was much lower. By 2008 Europe income fluctuated slightly and reached a peak of approximately 450 billion dollars. In 2010 Europe income declined slightly to just under 400 billion dollars, whereas Asia income continued to grow reaching about 250 billion dollars