As of July 2016 Back to Black had sold 3.58 million copies .
The BPI certified the album 12× Platinum on 28 August 2015 , and by July 2016 , it had sold 3.58 million copies , making it the UK 's second best-selling album of the 21st century behind Adele 's 21 , as well as the 13th best-selling album in the UK of all time .
Back to Black