In addition, 1 is the fourth best-selling album in the US since Nielsen SoundScan began tracking US album sales in January 1991 and the best-selling album of the 2000s decade in the US, as well as the best-selling album of the decade worldwide. 1 was remastered and reissued in September 2011, and was remixed and reissued again in several different deluxe editions in November 2015, the most comprehensive of which is a three-disc set entitled 1+, which includes video discs of the band's promotional films.
As of June 2015, 1 was the sixth best-selling album of the 21st century in the UK, having sold over 3.1 million copies.