Four out of 10 online gamers are ages 2-17, driven heavily by kids ages 6-12. Kids ages 2 to 12 are driving more than 25 percent of online gaming, while 18-24 year olds only represent 10 percent of online gaming. Among those who use a video game system for online gaming, Xbox 360 is the top system used, with 50 percent stating they play games online via that system. On average, Xbox 360 owners spend the most time per week using their 360s to play games online, followed by PC and PS3 owners using these respective systems for online game play. According to the report, 13 percent of online gamers spend 20 hours or more per week on online gaming. Per platform, 33 percent of portable online gamers, 29 percent of console online gamers and 13 percent of PC online gamers are in this heaviest online gaming group. At this point in the lifecycle of today's video game consoles, multiple console ownership is low, with only 3 percent reporting that they own two of the three "next-gen" systems and only 2 percent claiming to own all three systems. "Despite the buzz in the industry regarding online gaming, it is still relatively small compared to offline gaming," said Anita Frazier, industry analyst, The NPD Group. "There is still a large, untapped market for gaming in general and online gaming in particular."