Link to the VGChartz article here.
PS5 vs PS4 Sales Comparison in Japan - January 2023
This monthly series compares the aligned Japanese sales of the PlayStation 5 and PlayStation 4.
The PlayStation 5 launched in November 2020 in Japan, while the PlayStation 4 launched in February 2014. This does mean the holiday periods for the two consoles do not lineup.



PS5 Vs. PS4 Japan:
Gap change in latest month: 95,488 - PS5
Gap change over last 12 months: 50,295 - PS4
Total Lead: 126,336 - PS4
PlayStation 5 Total Sales: 2,612,745
PlayStation 4 Total Sales: 2,739,081
January 2023 is the 26th month the PlayStation 5 has been available for. In the latest month, the gap grew in favor of the PlayStation 5 when compared to the aligned launch of the PlayStation 4 by 95,488 units.
In the last 12 months, the PS4 has outsold the PS5 by 50,295 units. The PS4 is currently ahead of the PS5 by 126,336 million units.
The 27th month for the PS5 in Japan is January 2023, while for the PS4 it is April 2016. The PS5 has sold 2.61 million units, while the PS4 sold 2.94 million units during the same timeframe. The PS4 sold current PS5 sales in month 26.
The PS4 crossed 3 million units in Japan in month 30, 4 million in month 35, and 5 million in month 41. The PS4 has sold 9.60 million units to date.