The e-commerce world is rapidly changing, with fierce competition on a global scale.

"In the United States, e-commerce is growing at 4X the rate of retail, while in China, it grew a staggering 51% in 2013," reports Baynote in the following infographic.

The 302 largest e-tailers in France, Germany, and the UK grew combined sales 16.7% in 2013.

By comparison, the sales of the 46 largest e-tailers in Italy, Portugal, and Spain grew 26.6%.

Moreover, "Indian e-commerce is expected to grow from $13B in 2013 to $50B-$70B by 2020," according to a forecast cited by Baynote.

To learn more about the big contenders in e-commerce, check out the infographic.