Global online retail sales have risen from $1.3 trillion in 2014 to $4.4 trillion in 2023. By 2028, global online retail sales will grow to $6.8 trillion, online retail penetration will reach 23.7%, and $21.9 trillion of retail sales will still occur offline. This report provides a five-year forecast for total, online, and offline retail sales in local currencies and US dollars for 40 countries globally, with historical data going back to 2014.