Meanwhile, however, medical spending does continue to grow as you age.

FORBES: Five Ways To Protect Your Retirement From Washington's Fiscal Follies

So if you get to 90 plus you've probably got good genes and so are likely to continue to age well.

BBC: Over 90s 'still mentally alert'

This question will continue to be answered differently depending on the age of the person you ask.

FORBES: Our Economy vs Their Economy