The iPhone 4/4S/5/5S/5c even with its higher price points than Android competitors including Samsung showed the highest market share in the United States, in 2013. The iPhone is by far the most popular smartphone in the United States.
Data usage went from 5.5 GB per month in 2012's fourth quarter up to 6.6GB per month in the same quarter in 2103 according to NPD Group. In the rest of the world Samsung ruled the smartphone Galaxies.