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TSP Contribution Limits Have Shifted in 2025—Are You Making the Most of the Updated Thresholds?

Missy E
November 14, 2025

Key Takeaways

The 2025 TSP contribution limits have increased, offering new opportunities to save more for retirement—especially if you’re in your peak earning years.
Understanding and utilizing the standard, catch-up, and super catch-up limits can help you strengthen your retirement security and optimize tax advantages.

What Changed in 2025? A Look at the New Limits

In 2025, the Thrift Savings Plan (TSP) saw updated contribution limits in line with cost-of-living adjustments and provisions under the SECURE Act 2.0. These updates give you greater room to boost your retirement savings and leverage the TSP’s tax-deferred or Roth advantages.

Here are the updated 2025 TSP contribution limits:

Elective Deferral Limit: $23,500
Catch-Up Contribution (Age 50+): $7,500
Super Catch-Up Contribution (Ages 60–63): $11,250

These thresholds apply only to your employee contributions and do not include agency matching contributions, which are in addition to these amounts.

Why the Increase Matters for You

If you’re approaching retirement—or even just starting to plan for it more seriously—these higher limits represent an opportunity to close savings gaps, reduce future tax burdens, and better align your retirement trajectory with your goals. The benefits include:

Tax savings today or in retirement, depending on whether you contribute to traditional or Roth TSP.
Compound growth on a larger principal over time.
Increased catch-up potential during your high-income years.

The Age 50 Catch-Up Contribution

Once you reach age 50, you’re eligible to contribute an additional $7,500 on top of the standard $23,500 limit. This provision allows you to make up for any shortfall in savings from earlier years or accelerate your retirement preparations.

The catch-up amount doesn’t require a separate election—you simply continue making contributions after reaching the standard limit, and the TSP automatically designates the excess as catch-up.

Key Details:

Begins the year you turn 50, even if your birthday is in December.
Available whether you contribute to a Roth or traditional TSP.
You can contribute the full $31,000 ($23,500 + $7,500) in 2025.

Understanding the Super Catch-Up Rule (Ages 60–63)

Thanks to the SECURE Act 2.0, a new super catch-up provision applies if you are between ages 60 and 63. For those four years, you can make an enhanced catch-up contribution of $11,250 instead of the standard $7,500.

This super catch-up window is age-specific, meaning it’s only available starting the year you turn 60 and ends the year you turn 63. After that, you revert to the regular catch-up limit (currently $7,500).

What That Means in 2025:

If you’re 60, 61, 62, or 63 in 2025, your total possible contribution is $34,750 ($23,500 + $11,250).

Coordination with Agency Contributions

Your personal contribution limits do not include what your agency contributes. Agencies typically match contributions up to 5% of your salary, distributed as:

1% automatic contribution regardless of your participation.
Dollar-for-dollar match on the first 3% of your contributions.
50 cents per dollar on the next 2%.

This means your total TSP contribution (you + agency) could exceed $40,000 in 2025, depending on your income.

However, only your elective deferrals count toward the $23,500, $31,000, or $34,750 thresholds. Agency contributions are in addition.

Roth vs. Traditional Contributions

You can allocate your TSP contributions to either Roth (after-tax) or traditional (pre-tax) accounts—or a combination of both. Choosing the right balance depends on your current tax bracket and future expectations.

Roth TSP: You pay taxes now, but withdrawals in retirement (including earnings) are tax-free if qualified.
Traditional TSP: Contributions are pre-tax, reducing your taxable income today, but withdrawals are fully taxable in retirement.

Considerations for 2025:

If you’re in a low tax bracket now, Roth may be more beneficial.
If you’re in your peak earning years, traditional contributions could reduce your current tax burden.

You can adjust your allocation anytime through your TSP account.

Setting Up Contributions for the Full Year

To take full advantage of the 2025 limits, you’ll need to time your contributions across all pay periods.

For example:

There are 26 pay periods in a biweekly schedule.
To contribute $23,500 evenly across the year, you would elect approximately $904 per pay period.

If you also plan to make catch-up or super catch-up contributions, make sure you factor in the additional amount to avoid hitting the limit too early and missing agency matching contributions.

Avoid This Pitfall:

If you front-load your contributions and hit the annual limit before year-end, your agency matching contributions will also stop. To get the full match, aim for consistent contributions throughout the year.

Contribution Deadlines and Adjustments

TSP contributions are generally made through payroll deductions, and any changes you make to your deferral rate apply prospectively. For 2025:

You can begin contributing on January 1.
You have until your last pay date of the year to hit the limit.
You can update your contribution elections at any time during the year via your payroll system or TSP portal.

Planning early in the year and rechecking mid-year can ensure you stay on track.

Catching Up After a Late Start

If you started saving late or paused contributions due to life events, the expanded 2025 limits give you a valuable opportunity to regain momentum. Strategies you can use include:

Utilizing both catch-up and super catch-up provisions if eligible.
Combining traditional and Roth contributions to diversify tax treatment.
Maximizing contributions in high-income years before retirement.
Rebalancing your TSP investments to align risk with your retirement horizon.

TSP and Required Minimum Distributions (RMDs)

While you build your TSP account, remember that you will eventually need to withdraw funds. Required Minimum Distributions (RMDs) begin at age 73 for most public sector retirees as of 2025.

The balance of your TSP account as of December 31 of the previous year is used to calculate your RMD.
Failure to take your RMD can result in substantial IRS penalties.

Roth TSP accounts are subject to RMDs, although rollovers to a Roth IRA can help you avoid this requirement.

Planning withdrawals around tax brackets and life expenses becomes essential as retirement approaches.

How the TSP Fits Into a Broader Strategy

Your TSP is one part of your federal retirement puzzle. Others include:

FERS annuity based on your high-3 average salary and years of service.
Social Security, with benefits available starting at age 62.
Federal Employees Health Benefits (FEHB) and potential Medicare coordination.

Your contribution strategy should align with your:

Anticipated retirement age.
Expected longevity and lifestyle goals.
Tax planning strategy, both pre- and post-retirement.
Desired legacy or survivor planning goals.

The 2025 limits give you greater flexibility—but also demand more intentional planning.

Align Your Strategy With the 2025 Limits

Your ability to save more in 2025 under the revised TSP limits can have a significant long-term impact. Whether you’re just crossing age 50, entering the 60–63 super catch-up window, or simply reevaluating your priorities, now is the time to take full advantage of what’s available.

If you’re unsure how to coordinate your TSP contributions with your retirement income goals, taxes, or investment strategy, consider getting in touch with a licensed agent listed on this website for professional advice.