Sony Interactive Entertainment (SIE) announced in January that it sold an estimated 6.20 million PlayStation 4 consoles worldwide during the holiday season, bringing the total number of consoles sold worldwide to an estimated 53.40 million units.
The report revealed that Sony shipped 20.0 million PlayStation 4 consoles during fiscal year 2016.
Sony sold 7.5 million PS4 units in fiscal year 2013, and 14.8 million units in fiscal year 2014.
The PlayStation 4 had sold 40 million units as of last May, and 50 million units as of December.