It isn't that much bigger than UK pr capita.
Japan:
Population: 127 million
Total hardware this gen (handhelds + consoles) : 41.6M
So roughly 1/3 "people" have a console. Excact would 32.7% be That's huge.
United Kingdom:
Population: 60.5M
Total hardware this gen (handhelds + consoles) : 15.8M
So roughly 1/4 "people" have a console. Excact would be 26.4% That's big.
For software, I believe UK is bigger, but I have no stats for that.
Also remember that Europe has a lot of PC countries. America also has lots of PC gamers, which aren't tracked here.
http://www.vgchartz.com/games/userreviewdisp.php?id=261
That is VGChartz LONGEST review. And it's NOT Cute Kitten DS







