Abstract: The article deals with the features of the e-commerce development in the modern world economy. The article analyzes the interpretation of the term "e-commerce" by various domestic and foreign scientists. The study specified three levels of e-commerce. The article also identifies five major e-commerce features - advertising, product demonstration, transactions, after-sales service, long-term customer relationships. The article demonstrates the main effects of e-commerce on the economy, such as: growing competition, globalization of business spheres, personalization of interaction, reduction of distribution channels, cost savings. The analysis of B2C e-commerce sales volume in the regions of the world during 2012–2017 identified a significant level of the direction development in the Asia-Pacific region.