Those indices are deliberately biased towards socialized economies. One of them is from the UN, for crying out loud!
Where’s your source that refutes what was posted?
How do you feel about US Government sources? The CIA World Factbook - GDP - per capita has the US in 10th place.
http://tinyurl.com/25u8lz
46th in life expectancy
http://tinyurl.com/2aeqdj
1st in purchasing power
http://tinyurl.com/2egrl4
and 2nd in external debt
http://tinyurl.com/237qug