comScore has released it’s latest mobile numbers for the quarter ending September 2011, showing Android increasing its share nearly 5 percent to 44.8 percent market share. Meanwhile, Apple was up slightly to 27.4 percent RIM’s Blackberry slid down to 18.9 percent market share while Microsoft’s Windows Phone remained in fourth place with 5.6 percent.

Furthermore, comScore indicated that Smartphones make up 37 percent of the total 234 million mobile phones in the U.S. 28.8 percent of all phone owners played games on their devices.

For its part, the Nielsen Company estimated that 43 percent of all mobile customers owned a smartphone, with comparable market share numbers for the major mobile OS companies to comScore. As far as demographics go, 62 percent of mobile adults between the ages of 25-34 were found to own a smartphone, and penetration is around 54 percent among 18-24 and 35-44 year-olds.

 

Meanwhile, Net Applications (which measures based upon mobile web site and browser usage, key to mobile advertisers) saw iOS surge by 7 percent to nearly 62 percent. Android increased by a marginal 2.6 percent to roughly 19 percent, while everything else barely registered.