Japan’s business-to-consumer e-commerce market is worth $150.1 billion having increased at a single-digit rate since 2015. The e-commerce market is expected to follow a similar growth trajectory to 2021, expanding at a compound annual growth rate of 6.2 percent. As the third-largest online retail and eCommerce market worldwide that is behind China and the US, particularly when RCEP has launched and Japan is one of the members there, many sellers expect more possibilities from Japan and look for business opportunities to grow the business. 

Amazon and Rakuten Japan must be two primary channels on the spotlight that sellers are discussing, in particular, which one is better to start. So in this article, I would talk about my review between Rakuten and Amazon Japan from several points of view, such as market share, fee structure, etc. By the end of this piece, you can learn the difference between two platforms and select one to start selling in Japan, which is better as a new seller there.