If you’re a federal employee or member of the uniformed services, the Thrift Savings Plan (TSP) is one of the most powerful tools you have for building a secure retirement. It’s simple, low-cost, and forms a critical part of your overall retirement package alongside the FERS pension and Social Security.
What is the TSP?
The TSP is a defined contribution retirement plan for federal employees, similar to a 401(k) in the private sector. It allows you to contribute a portion of your salary to a tax-advantaged retirement account, helping you build a nest egg over the course of your career.
How It Works:
Employee Contributions:
You can contribute up to the IRS annual limit ($23,500 for 2025, or $31,000 if you’re 50 or older, or $34,750 if you’re between ages 60-63). You can choose traditional (pre-tax) or Roth (after-tax) contributions, or a combination of both.
Government Matching:
If you’re covered under FERS, the government automatically contributes 1% of your pay, matches dollar-for-dollar on the first 3% you contribute, and 50 cents on the dollar for the next 2%. That’s up to 5% in matching contributions. Free money for your retirement.
Investment Options:
The TSP offers a range of low-cost investment funds, including:
- G Fund: Government securities
- F Fund: Fixed income index
- C Fund: Common stock index
- S Fund: Small/Mid-cap stock index
- I Fund: International stock index
- L Funds: Target-date lifecycle funds
What investment options should I choose?
Choosing the right mix for your TSP is an important decision that depends on your risk tolerance, time horizon, and retirement goals. Younger investors with a longer time until retirement may benefit from a more aggressive mix with a higher allocation to the C, S, and I Funds for greater growth potential. Those closer to retirement or more risk averse might favor the stability of the G and F Funds. Regularly reviewing and adjusting your investment mix helps ensure it stays aligned with your financial plan and retirement goals. Below are some examples of fund allocations:
| Fund Name | Moderately Conservative 30/70 |
Moderate 50/50 |
Moderately Aggressive 70/30 |
| G Fund | 40% | 20% | 10% |
| F Fund | 30% | 30% | 20% |
| C Fund | 15% | 25% | 35% |
| S Fund | 5% | 10% | 15% |
| I Fund | 10% | 15% | 20% |
| Total | 100% | 100% | 100% |
L Funds (Lifecycle Funds) are ideal if you just want a “set it and forget it” option. L Funds offer a diversified mix of the above funds and are automatically rebalanced. You choose the funds based on your target retirement date. For example, if you’re 35 years old and plan to retire around 2055, you would choose the L 2055. The funds are set up to be more aggressive early on and become more conservative as you get closer to retirement.
If you’re unsure what option is best for you, you may want to contact your financial advisor or a TSP representative. There is also a good amount of information on each fund at https://www.TSP.gov.
Traditional vs. Roth TSP: What’s the Difference?
When you contribute to the TSP, you can choose between Traditional and Roth options, or split your contributions between both. Understanding the difference is essential for long-term tax planning:
| Feature | Traditional TSP | Roth TSP |
| Tax Treatment Now | Contributions are made pre-tax, reducing your taxable income today. | Contributions are made after-tax, with no immediate tax benefit. |
| Tax Treatment in Retirement | Distributions are taxed as ordinary income. | Qualified distributions are tax-free. |
| Best For | Those expecting to be in a lower tax bracket in retirement. | Those expecting to be in a higher tax bracket in retirement or younger employees with decades of growth ahead. |
| Required Minimum Distributions (RMDs) | Yes | No |
Choosing between the two depends on your current income, expected future tax rates, and how long your money will grow.
How TSP Works with FERS and Social Security
Retirement as a FERS employee is built on a three-part system:
1. FERS Pension: A monthly benefit based on your years of service and high-3 average salary. It’s reliable but typically replaces only a portion of your income.
2. Social Security: Provides additional income starting as early as age 62, depending on your work history and claiming strategy.
3. TSP: This is where your personal savings and investment growth come into play. It fills the income gap and gives you greater control over your retirement funds.
Together, these three pillars create a strong foundation. The TSP is the most flexible and customizable component, which means making smart decisions here is crucial.
What should I do with the TSP once I retire?
Once you retire, you have several options with your TSP. You can choose to set up monthly payments, request partial lump-sum withdrawals, or wait to take it out until your required minimum distributions (RMDs) begin. Your money can stay invested in your chosen funds, and you can continue adjusting your allocations even in retirement. You can also roll it over into an Individual Retirement Account (IRA) if you want even more investment options. It’s important to create a withdrawal strategy that balances your income needs, taxes, and investment growth to help your savings last throughout retirement.
Final Thoughts
The TSP is one of the most cost-effective retirement plans available, with extremely low fees and a generous match. Yet many federal employees don’t fully optimize their contributions or understand how to allocate their investments based on their time horizon and risk tolerance. In addition, once you retire, it becomes even more important to make sure you are in the optimal investment mix.
At Schuler Wealth Planning, we help federal employees make smart decisions about their TSP, from contribution strategies and investment choices to withdrawal planning in retirement.
If you’re interested in getting the most from your TSP, schedule a consultation today and start building a stronger retirement future.
Source: https://www.tsp.gov/
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