The bar chart illustrates the number of average income households throughout the world and in various continents between 1950, 2007, and 2030.
Overall, there is a clear hierachy among the continents, North America is the dominant group and Africa and Asia is less significant ones.
In detail, North America recorded the highest values, standing at 64 million in 1950 and it rise 79 million in 2007, it ends at 87 million by 2030. This was followed by Latin America Caribbean, which was 41 million in 1950 and it increases to 76 million in 2007, finally it ends with 84 million by 2030. Then Europe continent begans at 51 million in 1950, and increased sharply to 72 million in 2007 and ends the period with 84 million.
Turning to the remaining data, world income accounted for a moderate figure of about 29 million in 1950, and it surge to 49 million in 2007 and saw its peak with 60 million. The smallest figure was observed in both Africa and Asia with 15 and 17 million in 1950, and 37, 41 million in 2007 and lastly it ends with 51 and 54 million income total.
