There’s an interactive map at Civil Eats, which is great as far as it goes. But does it go far enough? Almost all of Africa is a vast gray expanse of “no data”. Where’s the companion map that shows what percent of a person’s diet they grow themselves?
There’s also an interesting statement in the comments: “Life expectancy is higher in some nations that spend above 10% on foods.” Mash-up artists, Gapminder mavens, what are you waiting for?