If it does get back into the Top Ten it will have spent longer there in the US and UK on initial release * than any artist album in history;
1. 21, Adele (79 wks US, 76 wks UK) = total 155 wks
2. Thriller, Michael Jackson (78 wks US, 76 wks UK) = total 154 wks
3. Bridge Over Troubled Water, Simon & Garfunkel (135 wks UK, 17 wks US) = total 152 wks
Of course "21" already spent longer at No 1 in US/UK than any artist album in history (47 wks vs. 45 for Thriller and 43 for BOTW).
I mean really...........I'm not trying to claim Adele is bigger than MJ but the total slayage of this album is just beyond words.
* by which I mean, I'm excluding weeks for Thriller's 25th anniversary edition and after MJ's death. Seems fair to compare like with like i.e. the initial impact of an album.