The Hidden Lump Sum Most Federal Employees Overlook
How much do I need to retire? It may be the most common question we hear from federal employees nearing retirement. Most people answer it by opening their TSP statement, looking at the balance, and deciding whether that number feels like enough. That approach leaves out the largest asset many federal employees own.
How much do I need to retire may be the wrong place to start. The sharper question is: how much do I still need after counting everything I have already earned?
Your Benefits Package Is an Asset
A private-sector worker without a pension must build every dollar of retirement income from personal savings. Your situation is unique. As a federal employee, you can walk into retirement with a lifetime income stream and continuing health coverage already in place. Those are assets. They simply are not presented to you that way.
Let’s break it down.
Putting a Price Tag on Your FERS Pension
The FERS basic annuity is calculated from your High-3 average salary, your years of creditable service, and a multiplier — 1% in most cases, or 1.1% if you retire at 62 or later with at least 20 years of service.
Consider a hypothetical employee (illustration only, not a projection of your own benefit):
- High-3 average salary → $90,000
- Creditable service → 30 years
- Retirement age → 62, so the 1.1% multiplier applies
- Annual FERS annuity → roughly $29,700, before survivor election and taxes
Now flip that income into a lump sum. To replicate about $29,700 a year of lifetime, partially inflation-adjusted income from an investment account, a common planning assumption is a sustainable withdrawal rate between 3.75% and 4%. At those rates, the balance required lands in the neighborhood of $740,000 to $790,000.
That is the piece most federal employees overlook. Before counting a single dollar in the TSP, your pension may already represent the economic equivalent of a three-quarter-million-dollar portfolio.
The Benefit That Rarely Appears on a Statement
FEHB in retirement may be the most undervalued piece of the federal package. If you carried coverage for the five years immediately before retiring, you can typically continue FEHB as a retiree at the same premium share you paid as an active employee, with the government continuing to cover roughly 70% of the premium.
Most private-sector retirees have no comparable benefit. Once they retire, they must pay the premium themselves.
Put a number on it. If the government’s share of your premium runs somewhere between $500 and $900 a month depending on plan and coverage tier, that is roughly $6,000 to $10,800 a year of value you do not have to fund yourself. Converted to a lump-sum equivalent at that same 4% assumption, it represents another $150,000 to $270,000 of value.
Health coverage is a retirement asset, even though it earns no interest.
Where the TSP Actually Fits
The TSP is the one piece with a visible balance, which is why it dominates the conversation. Its actual job, though, is narrower than most people assume. Your TSP is the gap-filler.
- Cover the difference between your spending needs and your pension plus Social Security
- Fund the years before Social Security begins → the FERS Supplement helps some retirees here, though not all qualify
- Absorb irregular expenses → home repairs, vehicles, medical costs, travel, helping family
- Provide flexibility and inflation defense that fixed income sources may not offer on their own
So ask a different question of your TSP. Not is this enough to retire on? but is this enough to cover what my other benefits do not?
Comparing the Three Pieces
FERS Pension
Lifetime income backed by the federal government, with partial cost-of-living adjustments after age 62. Predictable, but not flexible — you cannot draw extra from it in a difficult year.
FEHB
Continuing subsidized health coverage that reduces what your portfolio has to carry. Its value tends to grow quietly as premiums rise, but it produces no spendable cash.
TSP
The flexible piece. Fully accessible and fully yours — and fully exposed to markets, taxes, and withdrawal sequencing. It carries risk the other two do not.
Each piece does something the other two cannot. Sound retirement income strategies use all three deliberately.
Finding Your Real Number
Let’s dive deeper into how to size the gap. A simple checklist:
- Estimate realistic annual retirement spending → not your current salary, your actual spending
- Subtract your projected FERS annuity, after any survivor election
- Subtract Social Security or the FERS Supplement, based on your claiming age
- Account for federal and state taxes on your annuity and traditional TSP withdrawals
- Divide the remaining shortfall by 4% to approximate the TSP balance that gap may require
Using the same hypothetical: an $80,000 spending target, a $29,700 annuity, and roughly $27,000 of Social Security leaves a shortfall near $23,000 a year — pointing toward a TSP target in the range of $575,000, before adjusting for taxes.
Two employees with identical TSP balances can get very different answers because their pensions, premiums, and spending differ.
Bringing It All Together
Navigating the retirement process is less about hitting one magic number and more about understanding what each part of your benefits package is worth. When you value your pension and FEHB honestly, the TSP target often looks more achievable than feared, and the strategies that matter shift toward timing, taxes, survivor elections, and withdrawal order.
At Benchmark Financial Group, we specialize in helping federal employees quantify what they have already earned, maximize benefits, and make informed financial decisions about the years ahead. A strategic review may help you replace guesswork with a clear plan and support the financial stability and smooth transition you have worked toward.
Call David Raetz at 913-534-8256 or visit bfgkc.com to schedule your retirement planning consultation.
Your federal career was built with discipline and service.
Your retirement deserves the same level of strategy.
Want to learn more?
Attend our complimentary online webinar led by David Raetz on Thursday, September 17.
What Do I Need to Retire Comfortably?
*Securities and Advisory Services Offered Through CreativeOne Securities, LLC Member FINRA/SIPC and an Investment Advisor. Benchmark Financial Group, LLC and CreativeOne Securities, LLC are not affiliated.
“*Annuities contain limitations including withdrawal charges, fees and a market value adjustment which may affect contract values. Annuities are products of the insurance industry; guarantees are backed by the claims-paying ability of the issuing company. Guaranteed lifetime income available through annuitization or the purchase of an optional lifetime income rider, a benefit for which an annual premium is charged.”
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