IDC expects the W.W. smartphone market to grow by 49.2% in 2011 as both consumer and enterprise sectors replace their feature phones for something a bit more advanced.
In total, the analyst predicts vendors will ship more than 450m smartphones this year (compared to 2010's 303.4m), with the market growing 4 times faster than the overall mobile phone market.
Android is set to rule over the smartphone OS market in 2011 as vendors broaden and deepen their Android phone portfolios, reaching to first-time smartphone users in particular. Its estimated market share for this year will reach 39.5% according to IDC.
Following Android in W.W. mobile OS marketshare for 2011 are iOS (15.7%) and Blackberry (14.9%). For the next 4 years, Windows Phone 7 is expected to grow rapidly, thanks to Microsoft's alliance with Nokia-- IDC predicts Microsoft's OS will have 20.9% market share by 2015, as Nokia-Microsoft hardware starts launching in 2012.