Longman Dictionary of Contemporary English
old age pension
noun
EXAMPLES FROM CORPUS
▪ The rise in my old age pension is £2.25 a week.
Wiktionary
old age pension
n. A pension paid to people by the state, when they reach a predefined age, to compensate for loss of earnings
Usage examples of "old age pension".
She can't get an old age pension under the new scheme because she hasn't contributed to it for fifteen years, or something.
I'll know very soon if I have something to supplement my old age pension.