[quote=Foster]
1 - 300
1.1 - ~7
2 - Less than 75, Less than 16 survived the Fall of Reach
3 - 1200+
4 - ~500
[/quote]
1.1 - Was actually 16
Janissary James, Kevin Morales, Benji Wong, Guy, Frannie, Darin, 10 other unnamed
2 - 75 went into augmentation, 33 went on from there, 16 are still alive today
3 - 340 are still alive today
4 - 300-500 (Just on the Infinity), total number is unknown (Which includes all previous Spartan-IIs if they chose to join the Spartan Branch, all surviving members Spartan-III was folded into the Spartan Branch on Admiral Parangosky's orders.)