Once a poor country with too many people to support, technological advancements and the emergence of their workforce as a necessary aspect of global production and commerce has helped them position the country as the largest single threat to American domination of the world economy.
Europe is failing. The US is faltering. While things aren't glowing in China, they are dependent upon more than they depend on others, a shift that many analysts didn't anticipate happening for another couple of decades.
The day is here. China is growing in more than just people. Its economy is starting to thrive in ways that only a country with over 800 million workers can realise.
This infographic by Mint details the rise of the Chinese economy versus its US counterpart.
Look at the comparison chart here.