The series hasn't ended yet, we don't know
Hopefully never. Still there's a chance that Naruto going to die at the end of the series. 1 reason: In some Anime main characters die at the end of the series.
No.
eventually
When their time comes.
you will never know.
maybe
NO
None of us know, but most do not believe the world will end on 12/21/12.
it screeches
Yes, after the war, it is said that the creator is going to end naruto
Nobody knows but my guess is no he won't.
He does on Halo 4