Miley is not global enough to make IFPI. The song is not even in the top 20 on Itunes in European music markets like Germany, France, The Netherlands, Belgium, spain etc. Not doing much in Asia as well. Be real.
Let's just add her to the list of contemporary women who have sold more albums than Pepcé, since we know it's inevitable
Adele
Alanis Morissette
Alicia Keys
Amy Lee (Evanescence)
Amy Winehouse
Avril Lavigne
Ayumi Hamasaki
Britney Spears
Céline Dion
Christina Aguilera
Dido
Dolores O'Riordan (The Cranberries)
Enya
Gwen Stefani (No Doubt)
Janet Jackson
Jennifer Lopez
Jewel
Kylie Minogue
Lady Gaga
Madonna
Mariah Carey
Mary J. Blige
Miley Cyrus
Norah Jones
P!nk
Rihanna
Sade Adu (Sade)
Shakira
Shania Twain
Taylor Swift
Toni Braxton
Utada Hikaru
Whitney Houston