Mortality Rates

As you can see, the United States' infant mortality rates have risen over the past 40 years:


The CIA World Factbook shows that for 2009, the United States is ranked 46th in the World, with 6.26 deaths per 1,000 live births. See the complete list here.

With all the "advancements" and gadgets we have to monitor and "protect" pregnant women and their newborns, shouldn't we be in the top 5?