As per the latest published by the firm Strategic Analytics, Apple is now the biggest seller of Phones in US market. Apple has shipped 17.7 million iPhones of all kinds to US buyers in the October to December period, almost 1 in three phones comes from Apple. Apple is followed by Samsung which has shipped around 16.8 million phones including non smartphones. Samsung has been one of the biggest phones seller in US from 2008. 

Though not in US but worldwide still Samsung is still the biggest phone vendor with 23 percent of the market, according to a third research firm, IDC. Apple is on the third position with 9.9 percent of the market while the middle position is occupied by Nokia with 17.9 percent market share. Globally Samsung has beaten Apple by shipping 63.7 million units worldwide versus Apple's 47.8 million. 

Here is chart from IDC where you can figure out the market share of the global mobile vendors -


Chart: Worldwide Smartphone Vendors Market Share, 2012 Q4Description: IDC's Worldwide Quarterly Mobile Phone Tracker provides smart phone and feature phone market data in 60 countries and 8 regions by vendor, device type, air interface, operating systems and platforms, and generation. Over 20 additional technical segmentations are provided. The data is provided four times a year and includes historical and forecast trend analysis. For more information, or to subscribe to the research, please contact Kathy Nagamine at 1-650-350-6423 or knagamine@idc.com.Further detail about this tracker can be found at:http://www.idc.com/tracker/showproductinfo.jsp?prod_id=37Tags: Samsung, Apple, Huawei, ZTE, Sony, Mobile Phone, Smartphone, IDC, tracker, Q4 2012, mobile phones, 4Q 2012, market share, galaxy, iPhone, Android, iOS, Holiday QuarterAuthor: IDCcharts powered by iCharts

As per the NPD, iPhone 5 was the single most popular phone in the US in the holiday quarter. The Samsung Galaxy S III was No. 2, followed by the iPhone 4S and 4.