Total retail sales worldwide are forecast to grow 6.0 percent to $22.049 trillion in 2016, according to eMarketer. Data from the report, “Worldwide Retail Ecommerce Sales: The eMarketer Forecast for 2016,” growth will continue albeit in slower rates to reach $27 trillion in sales by 2020. According to the market research firm, retail ecommerce sales will reach $1.915 trillion in 2016, or 8.7 percent of the world’s total retail spending. Unlike the overall retail market’s slower growth rate during the period covered by the study, retail ecommerce sales are forecast to jump 23.7 percent in 2016. In 2020, retail ecommerce sales will grow to $4.058 trillion, accounting for 14.6 percent of total retail spending, the company said.
"Worldwide Retail Ecommerce Sales Will Reach $1.915 Trillion This Year", eMarketer, August 22, 2016