The only thing that I'm missing in Inception is why was Saito old in the opening and closing scenes of this great movie?

Both Cobb and Saito land in Limbo in (presumably) the same moment and Cobb spent (presumably) a very long time to find Saito, long enough for Saito to age about 40 years; however, Cobb remained the same age.

What caused such a significant difference between ages of both characters in Limbo despite them being roughly the same age when they entered and entering Limbo at the same time?


It's not clear.

Previously, I thought that Saito entered Limbo before Cobb, and that would explain everything. This agrees with this, this, and many others.

However, the proper order of events is:

  • Fischer dies in level-3 (reaching Limbo)
  • Cobb and Ariadne sleep in level-3 (reaching Limbo)
  • Saito dies in level-1 (reaching Limbo)
  • Mal stabs Cobb in Limbo and gets shot
  • Ariadne and Fischer kill themselves in Limbo (riding layers of kicks and reaching level-1, and eventually reality)
  • The van in level-1 sinks with Cobb and Saito, everyone else hides somewhere safe
  • Cobb finds Saito, very old, and both kill themselves (reaching reality)

So, what happened in that missing period? There are a few theories, and two of them seem equally likely to me.

Cobb was there for a longer time, but knew it was Limbo, so didn't age.

From here, the idea is that Cobb just didn't allow his projection to age, because he knew he was dreaming. Unlike Saito, who died, and thus thought Limbo was now his reality. Cobb took years to find Saito, hence Saito's age.

Cobb drowns in level-1 and returns to Limbo (after many years from Saito's perspective).

From here and here, Cobb either dies from his stab wounds and goes up to level 1, or just remains in Limbo. When the van in level-1 sinks, Cobb drowns, and re-enters Limbo. At this point, he has entered Limbo years after Saito. In the movie, we see that the scene right after the van sinks is with Cobb waking up on the beach.

Other theories include:

  • level-4 not being Limbo, so Cobb dies and reached Limbo there. Doesn't explain why Fischer dies and gets to level-4 instead of Limbo, though.

  • Different Limbos. Cobb and Ariadne first enter Fischer's Limbo, and then Cobb enters Saito's Limbo.

For historical reasons, here is my previous answer:

Saito died in the 3rd level dream a few minutes earlier than Cobb. In limbo, that amounted to years and years of waiting, which is how he got so old.

This website has a great explanation of the levels and limbo.


  • Great answer. Cited website is also great, but my dual-core CPU / 8 GB RAM equipped laptop started to shake and all my inside coolers started preparation for an interstellar flight so I decided to close it after five seconds. Inception is probably greatly explained there but website is surely resource hungry like a hell. – trejder Dec 19 '16 at 20:27
  • But wait. Cobb already entered Limbo (with Ariadne) before Saito died in Eames' dream. So how does that work? – Walt Dec 19 '16 at 23:08
  • @Walt You sure he entered before? I dont have the movie here to check, but I believed he went after Saito O.o – BlueMoon93 Dec 20 '16 at 10:28
  • Yes, 100%, I rechecked. Cobb and Ariadne use the machine to bring Fischer back from Limbo when Saito's still alive. He only dies later, after throwing the grenade. This is why, while at Limbo, Cobb tells Ariadne that "Saito's dead by now". – Walt Dec 20 '16 at 10:45

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