"China owns 1 Trillion $ worth U.S. Treasury,"
1 billion more people. 1/3 of US GDP. The story's not finished.
There are rural areas of China with 10's of millions living in Appalachian levels of poverty, and worse. Early 20th century levels of water and air pollution in some areas too.
2009 Country GDP (millions of USD)
— World 58,070,000
— European Union 16,180,000
1 United States 14,430,000
2 Japan 5,108,000
3 People's Republic of China 4,814,000[2]