With the release of Bloodborne, MGSV, Type-0 and Dragon Quest Heroes, I think it actually has a chance of catching up to PS3. Fingers crossed. If FFXV releases this year then all the better.
PS3 sold 1,180,000 units in the next full year at this point in time. PS4 would need to sell 1.4m to catch up.
Actually, I find this interesting so I'm going to open a new thread about this.
No troll is too much for me to handle. I rehabilitate trolls, I train people. I am the Troll Whisperer.