1.Shania Twain - Come on Over 36M
2.Alanis Morissette - Jagged Little Pill 33M
3.Celine Dion - Let's Talk About Love 31M
4.Celine Dion - Falling Into You 30M
5.Madonna - The Immaculate Collection 28.5M
6.Adele - 21 28M
7.Mariah Carey - Music Box 26.5M
8.Britney Spears - Baby One More Time 25M
9.Norah Jones - Come Away With Me 24M
10.Whitney Houston - Whitney Houston 24M
11.Madonna - True Blue 23M
12.Britney Spears - Oops I Did It Again 22M
13.Celine Dion - All The Way... - 21M
14.Mariah Carey - Daydream 21M
15.Madonna - Like a Virgin 21
16.Whitney Houston - Whitney 21M
17.Tracy Chapman - Tracy Chapman
18.Carole King - Tapestry
19.Avril Lavigne - Let Go 17M
And someone educate me about Tracy Chapman's and Tapestry's sales.
