As there are more and more people getting access to gaming devices in the world, making the overall number of gamer increase, the penetration of gaming is also still increasing in western society. The report mentioned on the Venturebeat only focuses on mobile, social and online games and excludes stand-alones. So the total number is even higher.
The study, Trends in Digital Gaming: Free-to-Play, Social, and Mobile Games, claims 135 million people play at least one hour per month compared to 56 million in 2008. Seventeen percent of all gamers have downloaded a title on their smartphones, up from 7 percent in 2008. About 80 percent play free-to-play (F2P) games on the PC or log into Facebook to spend time on the farm or frontier.
I shall be looking into the complete gamer demographic and perhaps distil some meaning out of the huge heap of info. Will share this with you of course!