Is the United States really a developed country?

[jason1637]

"The U.S. still fares very well on that score. On a global scale, the vast majority of Americans are either upper-middle income or high income. And many Americans who are classified as “poor” by the U.S. government would be middle income globally, according to a new Pew Research Center analysis.

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http://www.pewresearch.org/fact-tank/2015/07/09/how-americans-compare-with-the-global-middle-class/

Yes it's a developed country.