Bloomberg (the media business, not the former mayor of New York, although the latter appears to have regained control of the former), has ranked 51 high- and middle-income countries on healthcare efficiency. The U.S ranks 44th.
44 of 51 is pretty bad. (Indeed, we are bracketed by the Dominican Republican and Bulgaria). However, the Bloomberg rankings suffer from some of the same problems that we see with other rankings.
Read the entire column at NCPA's Health Policy Blog.