Quote from reid5525:
226 countries listed 42 have lower IMR's than the U.S.
http://en.wikipedia.org/wiki/List_of_countries_by_infant_mortality_rate
Note though that the entire developed world is below the U.S. It's telling that the U.S. has worse health care than even some developing, communist, and post-communist countries. Data like this tends to be a thorn in the side of the more dogmatic ideologues.