Good News: your retirement is not going broke because we live much longer in retirement than our parents did.
Bad News: we don’t live much longer in retirement than our parents did.
And since 1980, the retirement years for women haven’t changed at all. http://www.ssa.gov/oact/NOTES/as120/LifeTables_Body.html has this chart. Notice that women’s life expectancy at age 65 hasn’t budged since the 1980’s? And men’s has only increased a few months.
How old were your great-grandparents at death? Find out! Frankly, I’m glad to live to 80 or so with good nutrition, sanitation, and medical care. But, it really hasn’t changed nearly as much as you might have been told.
How long did people live in ancient times? Average life expectancy is a crummy measure, since so many people died in childhood,. Here’s how long an adult could expect to live: