According to a NeoGAF compilation of worldwide market revenues in 2011, the United States has a market share of 37.12% in the video game industry. This includes hardware and software for both home consoles and handhelds, accessories, and other video game-related expenditures like subscriptions.
On average, each person in the US spends $78.14, which is plenty enough for a population above 300 million people. Per person, South Korea takes the lead, spending an average of $167.75. United Kingdom, Belgium, Japan, France, Canada, and Australia are also big spenders China doesn't spend a lot per person but with their population, they spend more money than Japan in total revenue.
Here is a table breaking down each country:
Market Population Av. spend Total revenue Market Share USA 313.418.000 $ 78,14 $ 24,490,000,000 37,12 % South Korea 48.875.000 $ 167,75 $ 8.199.000.000 12,43 % China 1.339.724.852 $ 5,24 $ 7.020.040.000 10,64 % Japan 127.799.000 $ 44,44 $ 5.679.750.000 8,61 % United Kingdom 62.262.000 $ 82,41 $ 5.131.185.000 7,78 % Germany 81.799.600 $ 36,36 $ 2.974.041.900 4,51 % France 65.350.000 $ 44,78 $ 2.926.635.700 4,44 % Canada 33.476.688 $ 50,78 $ 1.700.000.000 2,58 % Australia 22.886.134 $ 65,54 $ 1.500.000.000 2,27 % Italy 60.681.514 $ 24,62 $ 1.493.824.330 2,26 % Spain 46.030.109 $ 29,67 $ 1.365.856.280 2,07 % Netherlands 16.847.007 $ 33,44 $ 563.297.200 0,85 % Belgium 11.007.020 $ 51,18 $ 563.297.200 0,85 % Austria 8.414.638 $ 44,54 $ 374.796.206 0,57 % Sweden 8.415.295 $ 40,10 $ 337.420.599 0,51 % India 1.210.193.422 $ 0,23 $ 275.600.000 0,42 % South Africa 50.586.757 $ 4,70 $ 237.611.843 0,36 % Portugal 10.561.614 $ 21,39 $ 225.876.600 0,34 % Switzerland * 7.952.600 $ 24,09 $ 191.557.759 0,29 % Norway 4.985.870 $ 32,38 $ 161.426.860 0,24 % New Zealand 4.414.400 $ 35,40 $ 156.269.960 0,24 % Denmark 5.529.888 $ 24,89 $ 137.660.693 0,21 % Czech + Slovakia 15.959.250 $ 8,40 $ 134.101.800 0,20 % Finland 5.404.956 $ 23,55 $ 127.263.083 0,19 %
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