I think we can safely say yes.
This superb gadget over at gapminder rather conclusively proves it. Fascinating and solid evidence that ecomonomic growth and globalisation saves lives. Though take a look at the end and see if you can spot Zimbabwe's death rate shoot up over the past few years.
Gapminder looks to be one of those sites that should be declared not work safe. Could spend ages gazing at statistics...
1 hour ago