Our sister site, Marketing Land, has recently covered the results of several research studies on the impact of digital on retail spending in 2016. Here ‘s a snapshot of the statistics. For the full stories, visit MarketingLand’s Retail pages.

• E-commerce sales were $394.6 billion in 2016. (US Dept. of Commerce)
• Excluding fuel and car sales, e-commerce grew 15.6% in 2016, with online sales accounting for 11.7% of all retail sales. (Internet Retailer)
• US online retail sales grew faster in 2016 than they have in the past three years. (Internet Retailer)
• Consumers spent $109.3 billion online during the holiday quarter, the highest figure on record. (comScore)
• By 2021, mobile devices alone will influence $1.4 trillion in local sales. (Forrester)
• Digital now influences roughly 56% of offline retail sale. (Deloitte)
• Amazon drove 65.9% of US e-commerce growth and 27.4% of total retail sales growth in 2016. (Internet Retailer)
• Online sales will grow between 8-12% in 2017, while overall retail sales will increase between 3.7-4.2%.  (National Retail Federation)

The outlook for online retail is bright. And the influence of digital and mobile devices is growing – both online and offline – creating challenges and opportunities for marketers.