The 10 Most and Least Developed Countries
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Photo: Jan Hobbel via Flickr Creative Commons
#4: United States
The United States (Human Development Index: 0.910) is ranked fourth in the U.N. Development Program's list, but when adjusted for inequality in education and income, falls to No. 23. NewsHour business correspondent Paul Solman explores income inequality among countries in this interactive world equality map.
