CSS Profile parent retirement

Current value of tax-deferred and after-tax retirement, pension, annuity, and savings plans such as an IRA, Roth IRA, Keogh, SEP, 401(a), 401(k), 403(b), 408, 457, 501(c) (required).
My parents are still employed. How to answer this question???

They should have statements or online access to look at these things - for example, if they work and have a 401K, that account will have a value just like a bank account.

They likely do not have all those accounts you mentioned.