There are some spartans that are still active, this more besides Chief. I'll give you a full list right now
The following is the list of all currently known SPARTAN-II subjects conscripted in 2517.
SPARTAN-006: Jai - MIA with the rest of Gray Team, last seen with Adriana-111 and Mike making the evac of The Rubble.
SPARTAN-008: Li - MIA during Slipspace anomaly battle, though assumed KIA due to close plasma torpedo detonation.
SPARTAN-029: Joshua - Listed as MIA, though assumed KIA during The Battle of Reach due to a direct hit from a Covenant cruiser's plasma weaponry.
SPARTAN-030: Vinh - Listed as MIA, though assumed KIA during Battle of Reach.
SPARTAN-034: Samuel - Listed as MIA, though confirmed KIA due to a breach in his MJOLNIR armor, first to destroy a Covenant ship in a non-ship to ship (MIA/KIA) battle.
SPARTAN-039: Isaac - Listed as MIA, though assumed KIA during Battle of Reach.
SPARTAN-042: Douglas - Last seen aboard Spirit of Fire in 2531. Listed as MIA.
SPARTAN-043: William - Listed as MIA, though confirmed KIA by Hunter pair during Battle of Onyx
SPARTAN-044: Anton - MIA during Slipspace anomaly battle, though assumed KIA due to close plasma torpedo detonation.
SPARTAN-047: Keiichi - Last seen during the Third Battle of Harvest.
SPARTAN-051: Kurt - Listed as MIA, though confirmed KIA after the detonation of 2 FENRIS nukes in Onyx.
SPARTAN-058: Linda - Active in Shield World, although she was briefly KIA from the Battle of Reach until after the destruction of Installation-04, due to SPARTAN-117's quick action to put -058 into a cryo tube.Listed as MIA by the UNSC
SPARTAN-059: Malcolm - Listed as MIA, though confirmed KIA during Battle of Reach.
SPARTAN-062: Maria - Retired.
SPARTAN-084: Fhajad - Discharged, sent to work for ONI due to uncontrollable muscle spasms, current status unknown.
SPARTAN-087: Kelly - Active in Shield World.Listed as MIA by the UNSC.
SPARTAN-092: Jerome - Last seen aboard Spirit of Fire in 2531. Listed as MIA
SPARTAN-093: Grace - Listed as MIA, though confirmed KIA During Operation: First Strike on Unyielding Hierophant.
SPARTAN-104: Frederic - Active in Shield World.Listed as MIA by the UNSC.
SPARTAN-111: Adriana - MIA with the rest of Gray Team, last seen with Jai-006 and Mike during the evac of The Rubble.
SPARTAN-117: John - MIA though presumed (by the UNSC) KIA. Last seen drifting toward an unknown planet.
SPARTAN-130: Alice - Last seen aboard Spirit of Fire in 2531. Listed as MIA
James - MIA, most likely KIA during the Battle of Reach.
Cassandra - WIA.
Randall - MIA.
Sheila - Listed as MIA, though confirmed KIA during Battle of Miridem.
Mike - MIA with the rest of Gray Team, last seen with Adriana-111 and Jai-006 during the evac of The Rubble.
And these are just the Spartans II
[Edited on 09.07.2009 4:46 PM PDT]