Chitika Insights examined hundreds of millions of U.S. and Canadian smartphone-based online ad impressions between February 1 and April 30, 2014. Overall smartphone usage share figures were drawn from online ad impressions catalogued between April 1 and 30, 2014.

iOS users generate the majority of U.S. and Canadian smartphone Web traffic at 53.1%, while Android follows with 44.5%. With several flagship devices upcoming from a number of the largest manufacturers, Chitika expects to observe some subsequent usage share variations between the two operating systems over the next several months, helping to illuminate the overall trend moving into the holiday season.

Shifting to the two smaller players, BlackBerry’s most recent device release was decidedly focused on emerging markets, slightly dimming the prospects for a 2014 resurgence for the device maker in North America. Microsoft’s Windows Phone operating system’s flat rate of growth over the past several months makes it likely that Apple and those makers who offer Android will remain the frontrunners stateside for the foreseeable future.

Chitika Insights: U.S. and Canadian Smartphone Usage by OS

Source: Chitika Insights

[Thanks to MacDailyNews Readers “Fred Mertz,” “Julia,” and “Bill” for the heads up.]