Native Status Survey

(Image credit: Apartment Therapy)
The other day an ATLA post took a sharp turn in the comments regarding
who is a real Angeleno. A comment in a
New York post the other day described someone as a
longtime native. Now we are curious about this:

What makes you a native of something? How long must you live in a place before you become a native? Are “true natives” fully accepting of “new natives” and if so, how long must you be somewhere before the acceptance begins? So the survey of the day is: