old age

the last period of human life, now often considered to be the years after 65.

Origin of old age

Middle English word dating back to 1300–50

old-age, adjective

The day when we have to come to some sort of reckoning with our old-age entitlements is rapidly approaching.

You're Doing it Wrong: Social Security Life Expectancy Calculations |Megan McArdle |January 7, 2013 |DAILY BEAST
We're heading for a showdown between the recipients of old-age benefits, and recipients of all the other kinds of benefits.

Is Demography Destiny? |Megan McArdle |November 7, 2012 |DAILY BEAST
But many of the supporters of the Government had at the election made speeches in favour of old-age pensions.

Historical and Political Essays |William Edward Hartpole Lecky
No one ever dreamed, apparently, that a time for old-age pensions and honorable retiring funds was coming.

The American Mind |Bliss Perry

He formulated this general scheme of pension and old-age insurance gravely.

Desert Conquest |A. M. Chisholm
Maybe your employer has an old-age pension plan for his employees.

Security in Your Old Age (Informational Service Circular No. 9) |Social Security Board
The old-age stage sets in when the upbuilding power wanes or actually ceases, and erosion dominates or reigns supreme.

Geology |William J. Miller