This dosn't how it's work because uk has 5 time less then Usa doesn't mean if uk had the same population it would consoles would sell 5 time more
PS4 - over 100 millions let's say 120m
Xbox One - 70m
Wii U - 25m
Vita - 15m if it will not get Final Fantasy Kingdoms Heart and Monster Hunter 20m otherwise
3DS - 80m