sunset years
The final years of a person's life, especially those spent in retirement. The economic crash has been especially devastating to the retired and the elderly, whose pensions they had been expecting to live off of in their sunset years have now evaporated in a matter of days.
one's sunset years
Euph. one's old age. Many people in their sunset years love to travel. Now is the time to think about financial planning for your sunset years.
sunset years
the last years of a person's life. euphemistic