When you were little, how old did you think people used to get, and at what age did you consider a person old?

I used to think that age equated to percentage of life lived, thus I thought that most people live to close around 100.
But it also made me think that people only get old when they're like 80.

I mean like actually "old". The "old" adults were referring to. At that age I considered those 14/15 year old 9th graders old, just a bit different "old".