With the exception of Russia and some middle eastern states where alcohol is probably forbidden or ostracized your map resembles closely a GDP per capita world map. :)
I'm kinda disappointed and surprised Bulgaria is not in the bucket with Russia.
Except that Canada and Europe don't have higher GDP per capita than America, which has higher GDP per capita than Brasil. Scandinavia has higher GDP per capita than southern Europe, but lower alcohol consumption. Religion is a pretty big indicator, it appears; GDP seems more weakly correlated.
Well I can give you many counter examples of where religion does not correlate consumption. Here is the GDP map I forgot to link above: