Led by the largest retailers like Amazon, Alibaba and eBay, the worldwide e-commerce market reached $3.5 trillion in sales in 2019. By 2021 this number is expected to grow to $4.9 trillion, with 2.1 billion digital buyers.
The top three countries for retail e-commerce sales in 2018 & 2019, according to Prioriellos presentation, were China, the United States and United Kingdom. China has increased 27% over the last year, while the US and UK were up 14% and 11%, respectively.
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