Neville Longbottom, Luna Luvgood, all of the Weasely's except Fred (Molly, Aurthur, Ginny, George, Percy, Bill, Charley, and Ron all survive) Hermione Granger, Fleur Weasely, and of course Harry Potter himself. There are many others that are and are not mentioned in the book that also do not die in the end.
No, they did not.
In the Deathly Hallows
He lives
no
No.
No, why shoud he?
No, Dudley survives.
Harry Potter and The Deathly Hallows
Yes he did.
She didn't.
Yes.
No, he had a near-death experience but didn't die.