There's $32trn of them: https://fred.stlouisfed.org/series/BOGZ1FL594090005Q

Who do you think is buying .. everything? They're holding substantial fractions of both the whole stockmarket and national debt.

The pension plans for many government employees still exist. CalPERS (California Public Employees' Retirement System), Illinois Teachers Pension, etc. (https://en.wikipedia.org/wiki/List_of_largest_pension_scheme...)

It's the corporate businesses that have gotten rid of pensions in favor of 401k plans.

Many government employees have pensions. Most of the ones I know are also ... skeptical of the future solvency of those funds by the time they retire.