retire on

retire on (some amount of money)

To have a certain amount of money in one's savings or pension on which one will survive during retirement. I've been putting together a sizable nest egg to retire on once I turn 65. More and more people are finding out that you can't realistically retire on the state-funded pension alone.
See also: amount, of, on, retire

retire on something

to quit working and live on something or a particular amount of money. I already have enough money to retire on. I cannot retire on a sum like that!
See also: on, retire