Are you a federal government employee or a member of the uniformed services looking to maximize your retirement savings? Then you need to know about the Thrift Savings Plan (TSP). Since its establishment in 1986, the TSP has been a game-changer for federal employees, offering retirement savings benefits similar to private 401(k) plans.
In this updated 2025 guide, we’ll break down what the TSP is, its benefits, how to contribute, eligibility requirements, and the latest contribution limits. Let’s dive in!
What Is the Thrift Savings Plan (TSP)?
The Thrift Savings Plan (TSP) is a retirement savings and investment plan designed for federal government employees and members of the uniformed services. It’s similar to a 401(k) plan but tailored specifically to government employees, helping them boost their retirement income through consistent contributions and investment growth.
Why Choose the TSP? Benefits and Features
The TSP offers several attractive features:
- Automatic Payroll Deductions: You can contribute effortlessly with automated deductions from your paycheck.
- Diverse Investment Options: Choose from lifecycle funds, individual funds, and mutual funds. Whether you want aggressive growth or conservative stability, there’s an option for you.
- Flexible Tax Treatments: Make contributions on a pre-tax, Roth (after-tax), or tax-deferred basis. Tailor your plan to fit your tax strategy.
- Access to Funds While Employed: Under certain circumstances, you can access your TSP funds without leaving your job.
- Death Benefits for Spouses and Beneficiaries: Protect your loved ones by designating beneficiaries.
TSP Contributions and The Federal Retirement System
The TSP is just one part of your retirement benefits package. Here’s how contributions work for different groups:
- FERS Employees: Automatically enrolled, with 5% of your basic salary deducted and deposited into your account. Plus, the government matches your contributions up to 5%.
- CSRS Employees: Your agency sets up your account after you make a contribution election.
- Uniformed Services Members: Automatically enrolled 60 days after starting service.
2025 Contribution Limits & Catch-Up Contributions
For 2025, the contribution limits have increased to help you save more effectively:
- Annual Elective Deferral Limit: $23,000.
- Catch-Up Contributions (Aged 50+): $7,500.
- Annual Additions Limit: $68,000.
Who Can Participate in the TSP?
You’re eligible to participate in the TSP if you’re:
- A FERS employee hired on or after January 1, 1984.
- A CSRS employee hired before January 1, 1984, and not converted to FERS.
- A civilian in specific categories of government service.
- A member of the uniformed services (Ready Reserve or active duty).
Make sure you’re actively employed, working full or part-time, and in pay status.
Getting Started: How to Apply
Ready to start building your retirement savings? Here’s how to enroll:
- FERS Employees (Hired on or after October 1, 2020): You’re automatically enrolled.
- CSRS Employees: Your contributions are managed by your agency once you enter the payroll system or submit a TSP-1 form.
- BRS Members of Uniformed Services: Automatic enrollment begins after 60 days.
- Non-BRS Members: Submit a TSP-1 form or contribute through the payroll system to get started.
- Returning Employees: Automatically re-enrolled if eligible upon reemployment.
Need Help with Your TSP?
Understanding all the details of your TSP can be daunting. That’s why FESA is here to help! We’ve guided countless federal employees and uniformed services members in optimizing their retirement plans. Contact us today to make the most of your TSP.

