In 2013, smartphone shipments in the United States grew by 21% to 121 million units, with the iPhone's share increasing from 44% in 2012 to 45%, making Apple the largest smartphone manufacturer in the United States. Samsung's market share increased from 24% to 26%, making it the second-largest smartphone manufacturer in the United States. Following them are LG (8%), HTC (6%), and Motorola (4%).
Among smartphone users with an annual income exceeding $100,000, the iPhone is more popular, accounting for 33%, while Samsung accounts for 18%; among smartphone users with an annual income not exceeding $60,000, Samsung's budget models are more popular than the iPhone. However, among smartphone users with an annual income below $30,000, iPhone shipments grew by 64%. In 2013, users with an annual income below $30,000 accounted for only 20% of iPhone shipments.
NPD pointed out that the growth in smartphone shipments in the United States in 2013 was mainly driven by prepaid phones, with prepaid phone sales increasing by 68%. The share of prepaid phones in the smartphone market rose from 14% in 2011 to 29%.
Despite the explosive growth in prepaid phone sales, postpaid phones still dominate, accounting for 71% of smartphone shipments. In 2013, postpaid phone shipments grew by less than 10%.
