According to market research company NPD Group's Gamer Segmentation 2012: The New Faces of Gamers, 211.5 million Americans were playing video games in 2012. As impressive as two thirds of the country gaming may be, maybe Sword Art Online has scared them off, because that represents close to 12 million fewer (5 percent less) than in 2011.
Core console gamers, light PC gamers, avid PC gamers, and family and kid gamers all contracted, with the latter taking a whopping 17.4 million player hit. On the other hand, mobile games saw a 9 percent gain, taking 22 percent of the total share.
From the report:
Question: Which gamer segment's share of the population has grown the most since 2011?
Answer: The Mobile Gamer segment is up 9 share points from last year.

Question: Which gamer segment is most likely to research games information on YouTube?
Answer: Core Gamers are more likely than any other segment to visit YouTube for information
about games.

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Scott Green is editor and reporter for anime and manga at geek entertainment site Ain't It Cool News. Follow him on Twitter at @aicnanime.