Quote:
Originally posted by SupremeGoddess
It'll outsell BOMT first, and every other Britney album. In 10 years Adele will, probably, outsell Britney and will be close to achieve a little bit more than half of Madonna's sales.
SLAY!

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It's interesting what is the average ratio per studio album for Adele in the future, it is as of today 15,25 millions (It will stand for end of 2013 when her next album is out most likely at 16,5 millions)
I believe she can maintain this ratio at least for the next era.
She has surely passed Britney, Alanis, Mariah, and Nora(in ratio)
Not sure about Celine, Shania and Madonna.(in ratio)