Some interesting figures in this AROnline article.....
MG Rovers – how many left, now and later?
'John Batchelor, the chairman of the Rover 200 & 400 Owners Club, who has been undertaking some scientific study of the remaining cars, as well as plotting their future prospects by extracting their half-life figures. As John says, ‘it is importance for clubs to understand current vehicle numbers and likely future trends because it indicates the likely pool of members. It helps makes decisions regarding re-manufacture of parts and potential tooling routes – it may also help indicate future values due to rarity.’
Mini (ADO15, ADO20) = 23,500
MGB (ADO23) = 21,026
Austin/Rover/MG Metro/100 (LC8/R6) = 2305
Lots more figures for MG Rovers listed here:-