According to recent IDC Report the world wide mobile phone market had 6.1% in 4th quarter of 2011 when compared to 4th quarter of 2010 and 427.4 Million total shipments from various mobile vendors. According this report Nokia and Samsung top and Apple moved forward to 3rd position pushing LG and ZTE to back.
Here is the Chart from IDC
In Q411 Apple Shipped over 20.8 Million iPhones extra when compared with Q410 shipments, this makes the year over change of 128.4%. When we compare the year In 2011 apple shipped over 45.7 million iPhones when compared to the year 2010 shipments, this makes the year over change of 96.2%.