wings on 07 December 2017
PlayStation 2 had reached 100 million units as of November 29th, 2005, breaking the record as the fastest computer entertainment platform to reach this remarkable figure. This achievement comes within 5 years and 9 months since its launch in Japan in March 2000,
https://lockergnome.com/2005/11/30/ps2-shipments-reach-100-million-units/
If PS4 hits 100 million Shipped by december 2018, then it easily out shipped the PS2 even giving the PS2 the credit of an early Japan launch.
