Top rappers alive by record sales:

1. Eminem –
A. The Marshall Mathers LP:
Slim shady sold 10 milli from the album! Another Diamond RIAA certification 10 times Platinum records. #302 at Rolling Stone's 500 Greatest Albums of All Time.

B. The Eminem Show:
Marshall Mathers have got another Diamond certification for this album. 10 Platinum records. also got at #317 at RS top 500 albums.

2. MC Hammer - Please Hammer Don’t Hurt ‘Em:
10 million albums sold! Diamond RIAA certification 10 X Platinum.

3. Mike D, Ad-Rock, MCA (Beastie Boys) - Licensed to Ill:
Beastie Boys classic debut released at Def Jam in 1986 and were the first rap album to hit #1 at the Billboard albums chart (Billboard 200).

4. Big Boi / André 3000 (OutKast) – Speakerboxxx/The Love Below:
Sold 5.5 million double albums = 11 million CDs sold = Diamond RIAA certification (11 X Platinum).

5. Will Smith – Big Willie Style:
9 Platinum certified albums by Mr. Smith and a buncha hits from the Trackmasters (Poke & Tone).

Full RIAA certifications can be found at RIAA's top albums list.