Contrary to what so many of us would like to believe, there is no Natural Right to vote.  Remember, a Natural Right is that which you can claim on a deserted island.  Well, how can one even hold an election in a society of one?  By definition, it is impossible.  Now, if you are so inclined, you can go through the mental gymnastics of arguing the case for an election in a society of one, but the idea is an absurdity, which — therefore — would make any such argument irrational.  This means that there is no Natural Right to vote.  So, if no such right exists, what then — exactly — is voting?

Simply put, voting is a privilege:

Full Definition of privilege