A plurality of the catalogued items in the museum are from Britain itself (680,000 out of 2.2 million or so) and there are as many such objects on display as there are from Asia.
Despite the memes, most of the objects in the museum that do not come from Britain were bought, not stolen, though there are some important and high profile exceptions.
Just the top floor west wing would remain if they had to return all their stolen items. Sutton Hoo and all that
A plurality of the catalogued items in the museum are from Britain itself (680,000 out of 2.2 million or so) and there are as many such objects on display as there are from Asia.
Despite the memes, most of the objects in the museum that do not come from Britain were bought, not stolen, though there are some important and high profile exceptions.