This image shows the share of World GDP PPP of 2011. To begin with, we can say that China, America Combined the 30% of the World economy. according to the graph, the six biggest economy combined represents 75% of the total output. In the end, the rest of the world share only 0.1% of the total GDP. In conclusion, we can say that it is a very useful graph, which helps to understand the World GDP economy.