Smartphone retail mcommerce sales will reach $203.94 billion in 2019, making up 34% of all US ecommerce sales.

While desktop purchases still dominate—amounting to $331.85 billion in 2019—they are growing at a rate of just 5.0%.

Average annual spend per smartphone shopper will be $1,763.

Younger shoppers are using mobile apps to shop at higher rates than older demographics. According to data provided to eMarketer by Bizrate Insights, 61% of US internet users ages 18 to 34 had used a mobile retail app to purchase a product or service in the past month.

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Adobe’s 2019 Brand Content Survey showed that 29% of US digital device users ages 18 to 22 named a brand’s mobile app as the top channel used to purchase an item.

Tablet retail ecommerce sales will total $63.12 billion in 2019, growing at 9.9% year over year.

According to a September 2018 survey conducted by Advertiser Perceptions and MightyHive, 82% of US senior digital marketers considered their first-party mobile app analytics data to be “very important” to their marketing and advertising decisions.