Seems The Last Jedi has shifted 3 million blu rays in the US alone:-
https://www.the-numbers.com/home-market/bluray-sales/2018
For DVD - https://www.the-numbers.com/home-market/dvd-sales/2018
^ Some impressive numbers given it’s only been 6 months since the blu ray / dvd disc releases - and given the rise of digital downloading / streaming (and also piracy?) to take into consideration too, along with the shorter time between ‘cinema to disc/digital to tv airdates’ as well.
The Force Awakens - https://www.the-numbers.com/movie/Star-Wars-Ep-VII-The-Force-Awakens#tab=summary
The Last Jedi - https://www.the-numbers.com/movie/Star-Wars-Ep-VIII-The-Last-Jedi#tab=summary
Rogue One - https://www.the-numbers.com/movie/Rogue-One-A-Star-Wars-Story#tab=summary
Solo - https://www.the-numbers.com/movie/Solo-A-Star-Wars-Story#tab=summary