Moschegam on 05 July 2019
I believe that Playstation 4 sells around 38 to 40 million in North America, until its life cycle ends, around 2021 to 2022.
Playstation 4 to sell 4 million in North America by 2020
3 million in 2021 and 2 million in 2022 and some remnants in 2023.