brown #
= weekly rock chart peak
blue #
= pop chart peak
| 1 | War | Oct 1998 |  |
| 2 | Suite-Pee | Mar 1999 | |
| 3 | Sugar | 23 | Nov 1999 | |
| 4 | Spiders | 13 | Mar 2000 | |
| 5 | Chop Suey! | 1 | Sep 2001 | |
| 6 | Prison Song | Nov 2001 | |
| 7 | Toxicity | 1 | Mar 2002 | |
| 8 | Aerials | 1 | Jul 2002 | |
| 9 | Psycho | 4 | Sep 2002 | |
| 10 | Innervision | 2 | Dec 2002 | |
| 11 | Needles | 2002 | |
| 12 | Boom! | 19 | Mar 2003 | |
| 13 | Cigaro | 2 | Feb 2005 | |
| 14 | B.Y.O.B. | 1 | Jun 2005 | |
| 15 | Question! | 3 | Aug 2005 | |
| 16 | Hypnotize | 1 | Oct 2005 | |
| 17 | We Are One | Oct 2005 | |
| Buckethead Featuring System Of A Down |
| 18 | Lonely Day | 2 | Apr 2006 | |
| 19 | Kill Rock 'N Roll | 2 | Jul 2006 | |
| 20 | Empty Walls | 1 | Oct 2007 | |
| Serj Tankian |
| 21 | The Unthinking Majority | Dec 2007 | |
| Serj Tankian |
| 22 | Sky Is Over | 6 | Mar 2008 | |
| Serj Tankian |
| 23 | Lie Lie Lie | Jun 2008 | |
| Serj Tankian |
| 24 | Praise The Lord And Pass The Ammunition | 2008 | |
| Serj Tankian |
| 25 | Left Of Center | Aug 2010 | |
| Serj Tankian |
| 26 | Figure It Out | Jun 2012 | |
| Serj Tankian |
| 27 | Harakiri | Oct 2012 | |
| Serj Tankian |