Currently, the US has the largest economy compared to the rest of the world, with the Chinese economy (#2) very close behind. While the US economy is growing at the annual rate of 2-3 %, the Chinese economy is growing at the rates between 5 - 8 %. With inflation, employment, GDP considerations and the underlining political/economic systems that exist in the two countries discuss the elements of advantages and disadvantages that exist between them, and in your crystal ball, who will be on top in the next 10 - 20 years? You can subscribe to World Bank's data on US and the Chinese economies to give you some ideas. Please share your own knowledge.