In Japan, there are electronics retail store chains like Best Buy. According to the Nikkei newspaper's research about electronics retail store market share, Yamada-Denki was the biggest chain. Its market share was 30.3%. Four chains in 2nd-5th places are in a very competitive situation. Their market shares are almost same.
Figure: Electronics Retail Store Market Share in Japan, 2015
|Chain||Market share (%)|
Source is Nikkei Sangyo Shimbun newspaper, the article on 2016 July 25th.