Well, technically speaking, harry doesn't really die, its very debatable weather he actually died, or he just went into limbo, since he comes back to life.
No, they did not.
Yes Voldemort does die, Harry Potter defeats him
Not all the death eaters die in Harry Potter.
In the Deathly Hallows
No, he had a near-death experience but didn't die.
Harry Potter didn't die because he is the main character, and J.K. Rowling didn't want him to die.
The theme is Harry Potter has to defeat Voldemort or die trying.
No, why shoud he?
He lives
No.
no
No, but his brother Colin Creevey dies in Harry Potter and the Deathly Hallows