Government Per Diem Rates 2025. Federal agencies use the per diem rates to reimburse their employees for subsistence expenses incurred while on official travel. This increase marks the third consecutive year feds saw lodging rates go up, while rates for meals and incidental expenses.

Federal agencies use the per diem rates to reimburse their employees for subsistence expenses incurred while on official travel. The standard reimbursement rate will be $178 per.