I googled that recently, and it sounds like:
They don't get reused.
There are about 70 years left.
The government is punting the problem to future people and there's no solution yet.
They don't get reused.
There are about 70 years left.
The government is punting the problem to future people and there's no solution yet.
"Q20: Are Social Security numbers reused after a person dies?
A: No. We do not reassign a Social Security number (SSN) after the number holder's death."