China will become the world's largest e-commerce market in 2015.

China will replace the U.S. to be the world's biggest e-commerce palyer in 2015 with a market of about 20 trillion U.S. dollars, according to the Boston Consulting Group(BCG).

7.4% of China's retail sales will come from e-commerce sales in 2015, up from the current 3.3%, said BCG in its latest report.

BCG projected Chinese online shoppers is likely to have an average of 6100yuan(about 940 U.S. dollars) online spending every year.

China now has 1450 million while the U.S. has the world's largest 1700 million  online shoppers.