Earlier quoted context omitted.
Who is going to hire you? Try getting a job at 62 right now.
A big part of that is employers not wanting to invest in someone who is about to permanently leave the workforce. If the retirement age scaled with lifespan, or adapted along the lines of what landryraccoon suggested, that would probably change. If you went back 200 years from today, most people would probably think it's not even possible that 63% of my generation would be unmarried by age 30.
Where are 95 years olds going to work? What are the going to be capable of doing? Uber drivers? They are going to have to fix a bunch of stuff rather than just extend life for this to be feasible. I hope they do that first, and worry about extending life after they have fixed degeneration.
Or we, are going to have to re-arrange our social/economic systems considerably so work isn't such necessity.