![US Mobile Search Ad Spending, 2012-2018 [CHART]](http://www.emarketer.com/images/chart_gifs/173001-174000/173932.gif "Chart - US Mobile Search Ad Spending, 2012-2018")
Mobile advertising in the US will total $17.73 billion in 2014, with mobile search spending accounting for more than half of that total, or $9.02 billion, according to new figures from eMarketer. By 2018, we estimate, mobile search spending will reach $28.41 billion, or 85.9% of the US digital search advertising market.
eMarketer’s definition of mobile search advertising includes paid ads served by search engines, search applications and carrier portals to all mobile devices, including smart phones and tablets. Read the rest at eMarketer.
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