Nikkei Sangyo Shimbun newspaper reported the market share of home-use game machines in 2015 financial year. According to it, Nintendo is the top-seller, and their market share was 53.8%. Sony (PlayStation) was the second (45.9%).
Figure: Home-use Game Machine Market Share in Japan, 2015
|Maker||Market share (%)|
Source is Nikkei Sangyo Shimbun newspaper, the article on 2016 July 25th.