This week, Billboard.com posted their list of the Top 24 to come out of American Idol. They posed the question, “How have the contestants stacked up out in the wider waters of the music industry?” They answered it by looking at album sales, individual song sales, and radio play counts (according to Nielsen SoundScan and Nielsen BDS as of April 17).

Here is their list:

1. Kelly Clarkson
2. Carrie Underwood
3. Chris Daughtry
4. Jordin Sparks
5. David Cook
6. Clay Aiken
7. Kellie Pickler
8. David Archuleta
9. Fantasia
10. Ruben Studdard
11. Kris Allen
12. Adam Lambert
13. Jennifer Hudson
14. Josh Gracin
15. Elliott Yamin
16. Katharine McPhee
17. Bo Bice
18. Blake Lewis
19. Taylor Hicks
20. Kimberley Locke
21. William Hung
22. Danny Gokey
23. Diana DeGarmo
24. Allison Iraheta

Do YOU agree? What changes would you make to the list? Post them in the comments section below.