July 2019 is the 98th month that the Nintendo Switch has been available for in Japan. The Switch outsold the PlayStation 4 by 176,834 units in the last month and by 2.48 million units in the last 12 months. The Switch is currently ahead of the PlayStation 4 by 311,985 units.
The PlayStation 4 launched in February 2014 in Japan, while the Nintendo Switch launched in March 2017. The Switch has sold 8.57 million units, while the PlayStation 4 sold 8.26 million units.