Federal Employee Annual Leave: How Lump Sum for Unused Hours is Calculated and Taxed
Federal employee annual leave is a core benefit that allows employees to take paid time off for vacation, personal matters, or family member emergencies. Each full-time employee earns annual leave based on their years of service, with the accrual rate increasing after certain milestones. Employees can request annual leave through their agency's leave account, and unused annual leave will be paid out in a lump sum upon retirement. The amount of unused hours is calculated based on the employee's rate of pay and the total leave balance at the time of retirement, which cannot exceed 448 hours (240 maximum rolled over from year before retirement + 208 accumulated in year of retirement.) Additionally, employees are entitled to carry over a certain amount of leave year to year (240), allowing them to manage their leave effectively. It's important to note that while annual leave can be accrued, sick leave for federal workers and other types of leave have different rules regarding usage and accrual.
Annual Leave: Accumulation, Use, and More Information for Full-Time and Part-Time Feds
Annual leave is designed to support rest, personal needs, and emergencies. Unlike an unused hour of sick leave, it has strict carryover limits and can be cashed out under specific conditions.
Read next: the Estimated 2026 GS Pay Scale Table with 1 Percent Federal Pay Raise.
Annual Leave Fact Sheet: Accumulation Rules by Service Tenure
Full-time federal employees paid on the General Schedule (GS) pay scale accumulate annual leave based on their years of service and the rate of pay. Employees earn leave at a rate of 4 hours per pay period, which amounts to 104 hours of annual leave per year for those with fewer than three years of service. As employees progress in their careers, the amount of annual leave increases to 6 hours per pay period after three years and 8 hours per pay period after 15 years, allowing them to accrue up to a maximum of 240 hours of leave in their annual leave account. Unused annual leave can be carried over from year to year, but employees cannot request leave in advance beyond their leave balance. Additionally, employees may also request sick leave or leave under gov regulation like the Family and Medical Leave Act (FMLA) as applicable.
| Years of Service | Accrual Rate per Pay Period | Annual Total |
|---|---|---|
| < 3 years | 4 hours | 104 hours |
| 3–15 years | 6 hours (10 hours last period) | 160 hours |
| ≥ 15 years | 8 hours | 208 hours |
Accrual rate changes begin with the first pay period after the service threshold is met.
Accrual of Annual Leave Hours: Part-Time Employees and Special Cases
Part-Time Employees:
- < 3 years: 1 hour per 20 hours worked
- 3–15 years: 1 hour per 13 hours
- ≥ 15 years: 1 hour per 10 hours
Special Cases:
- SES, SL, ST, and similar OPM-designated roles: 8 hours per pay period regardless of tenure
- Temporary employees are eligible: Annual leave may begin accruing after 90 consecutive days, retroactive to day one
- Intermittent employees do not get annual leave
Taking a Vacation? Usage and Oversight for Annual Leave
Annual leave is intended for vacations, personal business, and emergencies. Both employees and supervisors are responsible for tracking and managing leave requests. It does not need to be used if the position at your agency is already off for a federal holiday.
Key points:
- Leave must be requested and approved in advance.
- If a supervisor fails to act on a timely request, or denies it without offering alternatives, the leave may be restored beyond the carryover limit due to administrative error.
- If approved leave coincides with a non-workday (e.g., due to weather or executive order), the hours are not deducted and must be rescheduled.
Carryover Limits and “Use-It-or-Lose-It” Rules
| Employee Category | Max Carryover |
|---|---|
| Domestic Federal Workers | 240 hours |
| Overseas Employees | 360 hours |
| SES, SL, ST Positions | 720 hours |
Any hours above these limits are forfeited unless restored due to administrative error.
Learn more about annual and sick leave, attend a federal employee retirement seminar online.
Lump-Sum Payouts at Retirement for Unused Annual Leave Balance and How Benefit is Taxed
When a federal employee separates from service, whether through retirement or resignation, they’re entitled to a lump-sum payment for any unused annual leave. This payment reflects what the employee would have earned had they remained on payroll through the leave period. Federal employees can receive a lump-sum payment for unused annual leave in two scenarios:
- Upon entering active military duty
- Upon retirement or resignation
Strategic timing matters. For example, retiring on December 31 allows an employee to combine the previous year’s carryover (up to 240 hours) with the current year’s accrual, potentially cashing out up to 440 hours. This timing contributes to the annual surge in retirement claims submitted to OPM in December and January.
Strategic Implications for Federal Employees
- Monitor service milestones to maximize accrual rates.
- Plan leave usage to avoid forfeiture.
- Time retirement to optimize lump-sum payouts.
- Understand the administrative safeguards for restoring lost or unpaid leave.
Understanding Lump-Sum Payments for Unused Annual Leave
Here are the key components of the annual leave credit for unused hours:
| Component | Included in Payment? |
Notes |
|---|---|---|
Basic Pay |
Yes |
Based on final SF-50 salary |
Locality Pay Adjustment |
Yes |
Region-specific pay differentials |
Within-Grade Increase (WGI) |
Conditional |
Only if WGI waiting period is met at separation |
Across-the-Board Pay Adjustments |
Yes |
Includes scheduled federal pay raises |
Nonforeign Area COLA & Post Differentials |
Yes |
Applies to certain geographic areas |
Formula for calculating the payment for unused federal employee annual leave:
Unused Annual Leave Hours × Adjusted Hourly Rate = Lump-Sum Payment
Federal Government Unused Annual Leave: Taxation
Understanding how annual leave is accrued is important for many reasons. The number of hours that are unused when a worker separates from federal service determines the amount of the the lump sum received. The payment is subject to taxes as seen in the chart below:
| Tax Type | Applies to Lump-Sum? |
Notes |
|---|---|---|
Federal Income Tax |
Yes |
Fully taxable |
State Income Tax |
Yes |
Varies by state |
Social Security (FICA) |
Conditional |
Only withheld until wage base is reached |
Medicare Part A |
Yes |
Always withheld |
TSP/IRA Contributions |
No |
Cannot allocate lump-sum to retirement accounts |
The Social Security wage base for earnings (FICA) in 2025 is $176,100. The projected wage base for 2026 is currently at $183,600.
Reemployment Rules for Payout After Separation for Federal Service
If an employee returns to federal service before the end of the projected leave period:
• They must refund the portion of the lump-sum covering the overlap.
• Their leave account is recredited with the corresponding hours.
Now Read the Guide for Employees Returning to the Workplace after Federal Agency RTO Mandate
Bonus: What is Federal Compensatory Time Pay?
Federal compensatory pay, or "comp time," is time off with pay that a fed receives instead of overtime pay for irregular or occasional overtime work, or when authorized under specific agency programs, such as for time spent traveling for official federal work.
