Despite a healthy overall consumer spending environment in 2019, the upcoming holiday season will be accompanied by economic uncertainty and a shorter timeframe. Still, there will be strong online growth rates, and overall spending will reach milestones. How much will be spent during the 2019 holiday season? NEW YORK, United States — U.S. shoppers spent more online than in retail stores during the shortest winter shopping season in the past six years, with online sales hitting a record high, a report by Mastercard Inc showed. The holiday shopping season is a crucial period for retailers and can account for up to 40 percent of annual sales. Online shoppers spent $122.00 billion online this holiday season, according to Internet Retailer research data. Internet Retailer estimates this is a 17.4% increase over the 2017 holiday season in November-December, when shoppers spent $103.88 billion.