The PlayStation 5 (or PS5) has not been on the market long, and is not even available everywhere on Earth yet. Nevertheless, a new report claims that it has sold 3.4 million units already, more than any of its predecessors to date. The PS5 is also now projected to sell much more in 2021.
https://www.notebookcheck.net/PS5-Latest-figures-indicate-biggest-sales-of-any-PlayStation-so-far.512627.0.html