Calculate minimum service time


Q: It is not clear to me whether my military service time is credited to my minimum service (I have made a payment). Is a minimum of five years is required, excluding military time, to reach the minimum service time to meet the eligibility requirements for retirement under FERS? Is there a FERS vesting requirement?

A: Yes, there is a FERS vesting requirement. You must have a minimum of five years of actual FERS service to be eligible to retire.


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Reg Jones was head of retirement and insurance policy at the Office of Personnel Management. Email your retirement-related questions to

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