Industry Based E-commerce Statistics and Forecast from Statista > According to  Statista 
In 2013, statistics show global e-retail sales amounted to 839.8 billion U.S. dollars. Projections show a growth of up to 1.5 trillion U.S. dollars by 2018. North America is currently the largest regional market for online shopping. With sales worth some 126 billion U.S. dollars reported in 2013, more than double the amount in 2008.
The Asia and Oceania region is also becoming strong, especially due to China’s economic boom, with an estimated eight fold increase in sales between 2008 and 2018. On the other hand, according to statistics, the unprecedented worldwide B2C e-commerce sales growth is expected. Global B2C e-commerce sales grew 19 percent compared to the previous year in 2013, but in 2018 forecast expect growth of only 10 percent. In Europe, the United Kingdom is by far the largest market for B2C e-commerce, with a turnover of 107 billion Euros in 2013, twice the amount of the second ranked, France.
Also the mobile shopping has been on the rise, with customers increasingly using their mobile devices online shopping. According to a 2015 study regarding mobile shopping penetration worldwide, 46 percent of internet users in the Asia Pacific region purchased whether smartphone or tablet computer. When and 20 percent of those in North America had purchased products via a mobile device. When asked whether mobile phones will become the main tool for purchasing goods in the future, some 9 percent of respondents in a survey strongly agreed. Opinions, however, differed according to region and country, where shoppers Denmark and Belgium rather disagreed. But those in China and India agreed the most. M-commerce sales in India have accounted for 11 percent of total retail sales in 2014 and were expected to grow to 25 percent by 2017, while in China, mobile online retail sales have grown by some 450 percent between 2010 and 2011 and are expected to continue growing in the future, although at much lower rates.