Nielsen SoundScan zveřejnili prodejní čísla týkající se všech desek MEGADETH (platí pouze pro zámoří pro období od 25. května 1991 dosud):
"Killing Is My Business...And Business Is Good!" (1985) (out of print): 197,386
"Killing Is My Business...And Business Is Good!" (2002 re-release): 46,874
"Peace Sells...But Who's Buying?": 600,095
"So Far...So Good...So What!": 382,246
"Rust In Peace": 767,451
"Countdown to Extinction": 2,250,865
"Youthanasia": 928,637
"Hidden Treasures" (out of print): 286,031
"Cryptic Writings": 781,412
"Risk": 318,853
"Capitol Punishment: The Megadeth Years" (out of print): 199,802
"The World Needs A Hero": 216,771
"Behind the Music" (DVD): 11,800
"Rude Awakening": 71,704
"Rude Awakening" (DVD): 52,405
"Still, Alive...And Well?": 24,873
"The System Has Failed": 149,807
MD.45 (Dave Mustaine side-project) - "The Craving": 35,594