He should have died in part one against Haku. Luckily Haku is too soft and didn't want to kill Sasuke so he was holding back and avoided hitting any vital spots because he couldn't bare killing.
Lee fodderized him but too bad Guy interfered before Lee was about to hospitalize him
Gaara would have killed him but Naruto intervened
Deidara would have killed him but Kishi used Deus ex Machina to save Sasuke from C0.
Itachi wasn't trying to kill Sasuke
Killer Bee could have killed Sasuke at least 100 times but his team mates saved him every time
The Raikage was about to finish him but Gaara stopped him
Mei was about to kill Sasuke but Zetsu interfered
Onoki almost blasted him to oblivion but Obito interfered
Danzo had to avoid using KA on Sasuke because he had to worry about Obito
Tobirama was inches away from killing Sasuke until Hashirama stopped his younger brother
The point is Sasuke had the most opportunities to die in Naruto yet kept getting lucky and saved