Apple Inc is leading the U.S. smartphone market with 36.6 percent shares while Google Inc's Android operating system tops the smartphone platform in the country with 53.4 percent shares, says a recent survey by comScore.

The data released by comScore Inc say 125.9 million people in the U.S. owned smartphones during the last quarter of 2012. Apple was ranked as the top OEM (Original Equipment Manufacturer) with 36.3 percent of the U.S. smartphone share, Samsung was ranked second with 21 percent market share, HTC with 10.2 percent, Motorola with 9.1 percent and LG with 7.1 percent market share (up by 0.5 percent).

The market shares of HTC and Motorola have come down during the last quarter of 2012. HTC's market share has dropped by 1.8 percent from 12 percent to 10.2 percent while Motorola's smartphone market share also dropped by 0.7 percent from 9.8 percent to 9.1 percent, reports valuewalk.com

In contrast, Google's Android operating system is ranked as the top smartphone platform with 53.4 percent market share which is up by 0.9 percent from its 52.5 percent market share during third quarter of 2012.  Apple's operating system (iOS) market share has also increased by 2.0 percent from 34.3 percent to 36.3 percent.

Meanwhile, BlackBerry' operating system is ranked third with 6.4 percent market shares, followed by Microsoft with 2.9 percent and Nokia's Symbian operating system with 0.6 percent.

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