With 2-3 singles and without a lot of promo and still sold almost 15M wlbum WW
Demi Lovato - Ashley Tisdale - Miley Cyrus - Selena Gomez - Gaga - Katy Perry - Bey - Riri - Tamar Kaprelian - Glee Cast - Idina Menzel - Avril Lavigne - Kelly Clarkson - Taylor - Carrie - Leona - Jojo - Victoria Justice - Mariah Carey - Britney.
Barcelona - Sam Tsui - David Cook - Bruno Mars - Greyson Chance - James Durbin.
Did they also exclude country artists, or did none of them make it?
Unfortunately, none of them made it this year. The chart favors artists who chart internationally and consistently high on the Hot 100. However, of course, that does not mean they couldn't have sold more singles than some acts included -- they just didn't do well on this particular chart this year.