Online spending represented 16.0% of total retail sales for the year, according to the United States Commerce Department retail data. Amazon.com accounted for more than 1/3 of all ecommerce in the United States.
Consumers spent $601.75 billion online with U.S. merchants in 2019, up 14.9% from $523.64 billion the prior year. That was a higher growth rate than 2018, when reported online sales rose 13.6% year over year.