But it isn't really a fault of the medical system or development process, just genetic/hereditary bad luck.
I'd suggest the trend lines on his charts are more meaningful than individual bubbles.
Remember where you learned this? I'd be interested to learn more.
http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5127a1.htm#tab1
Here is another quirk of the measurement system I just discovered while googling. Low birthweight rates increase with income (at least in Brazil):
http://www3.interscience.wiley.com/journal/118696841/abstrac...
Ummm, not so much. France at least has loads of people of African descent - I would think the percentage must be around about the same as that for the US, just by eyeballing what I see on the street in Paris, Marseille, Lille etc.