Using the data from 118 countries from 1973 to 2004 it has shown that health aid has a statistically signitifant effect on infant mortality. Doubling per capita health aid is associated with a 2 percent reduction in the infant mortality rate. For the average country, this implies that increasing per capita health aid by US$1.60 per year is associated with 1.5 fewer infant deaths per thousand births. Source: Ruth Levine - Global Health: Millions Saved