During your federal career, the Thrift Savings Plan is relatively easy to manage. You contribute each pay period, receive agency matching, choose your funds, and let the account grow over time. It’s efficient, low-cost, and designed to do one thing well: help you build retirement savings.
The challenge begins when you start using it.
Once you retire and begin taking withdrawals, the TSP operates under rules that can limit how you access your money. One of the most important, and often overlooked, is how withdrawals are actually taken from your account.
The Built-In Limitation
Every withdrawal from the TSP is taken proportionally from your entire portfolio. You don’t get to select which fund the money comes from. This is known as a pro-rata withdrawal, meaning each withdrawal is taken proportionally from all of your TSP investments based on how your account is currently allocated.
If your account is split between stock funds and more conservative options, each withdrawal will reflect that same mix. Even if markets are down, you’ll still be selling from your stock holdings.
That lack of control becomes more noticeable once you’re relying on the account for income.
Why It Can Work Against You
In a stable market, this structure may not raise concerns. But during periods of volatility, it can create problems.
If you’re withdrawing money while markets are down, you’re forced to sell investments at lower values. Those assets are no longer in your account to recover when the market rebounds. Over time, this can reduce the longevity of your savings.
This is where sequence of returns risk becomes a real factor. The order in which market gains and losses occur, especially early in retirement, can have a lasting impact on your financial picture.
The key issue isn’t just market performance. It’s the inability to control how withdrawals are sourced.
Planning Around It
There are ways to manage this, but they require a more active approach.
Some retirees adjust their allocation after withdrawals, moving funds back into stock investments to maintain their strategy. Others choose to roll their TSP into an IRA, where they can control exactly which assets they draw from.
That flexibility can make it easier to protect growth-oriented investments during downturns, but it also means giving up the simplicity and low costs that make the TSP attractive in the first place.
There isn’t a single right answer. But ignoring how withdrawals work can lead to decisions that limit your options later.
Your TSP did its job while you were working. Making sure it continues to support you in retirement requires a different kind of planning.
A Federal Retirement Consultant (FRC®) can help you think through your options and build a withdrawal strategy that fits your goals.
