TSP Balance by Age: FERS-Adjusted Benchmarks for Federal Employees

Standard retirement benchmarks tell you to have 3× your salary saved by 40, 6× by 50, and 10× by retirement. Those rules were designed for private-sector workers whose entire retirement income must come from savings — no pension, just a portfolio and Social Security. A federal employee with a FERS annuity is starting from a fundamentally different position. Depending on your years of service and salary, your pension alone covers 25–45% of pre-retirement income. That changes every milestone you should be targeting.

FERS-Adjusted TSP Benchmarks by Age

The table below shows TSP balance targets as a multiple of your current annual salary — the same format used by major financial institutions for private-sector benchmarks, allowing direct comparison.¹ The FERS column targets retirement at MRA+30 (the most common FERS pathway), 80% income replacement, with a FERS pension covering roughly 30% of final salary. Special category employees (LEO, firefighter, ATC) with the 1.7%/1.0% formula will need lower TSP balances at every age.

Calibrated to an MRA+30 federal career (retiring at age 55–57), 80% income replacement, FERS pension covering ~30% of final salary, and Social Security of ~$20,000/year at age 67. Employees with more service years, higher salaries, or special-category positions will have higher pensions, pushing the FERS benchmark lower at every age.

Why the Gap Exists

Private-sector benchmarks are built on the assumption that your portfolio is your only retirement income beyond Social Security. FERS employees have a third leg: the basic annuity. Consider two workers, both earning $100,000 and both targeting $80,000/year in retirement income:

The FERS employee needs half the TSP of a private-sector peer with the same income target. That $600,000 difference is why FERS benchmarks are substantially lower at every career stage. Note: the FERS supplement (the automatic bridge payment from early retirement to age 62) reduces Phase 1 TSP demand even further for employees who retire before 62 under MRA+30 or age 60+20 provisions. See the FERS Supplement Guide for the calculation.

What to Focus on at Each Career Stage

Early career (ages 22–35): capture the match, choose Roth TSP

The single highest-leverage action at this stage is contributing at least 5% of salary to capture the full agency match. The match formula: 1% automatic regardless of what you contribute, plus a dollar-for-dollar match on the first 3% of salary you contribute, plus 50 cents on the dollar for the next 2%.³ At 5% employee contribution, you get 5% agency match — a guaranteed 100% return on those first dollars before any market return. If budget is tight, start at 5% and increase 1 percentage point with every step increase or promotion.

For most early-career FERS employees, the Roth TSP is the better default: you are in a lower tax bracket now than you will be at peak earnings, and Roth TSP carries no Required Minimum Distributions starting 2024 (SECURE 2.0 §325). Every dollar of Roth TSP balance avoids future RMDs and the IRMAA Medicare surcharge spiral that large traditional TSP balances create in retirement.

Mid-career (ages 35–50): raise your rate and stay in equities

The mid-career years are where federal employees most often fall behind — promotions raise income, but contribution rates don't follow. Target 10–15% employee contribution (combined with the 5% agency match, that puts 15–20% of salary to work). Resist the pull of the G Fund: at age 40, you have 17+ years before retirement and can absorb equity volatility. A 70–80% equity allocation in the C, S, and I funds is appropriate for most mid-career FERS employees. The G Fund's ~4.3% (2026) trails long-run equity growth by 3–4% per year — and your FERS pension already functions as a bond-like fixed income floor.

Pre-retirement (ages 50–63): catch-up, model, and convert

Three high-leverage actions in this window:

• Catch-up contributions. At 50+, contribute an additional $8,000/year above the regular $24,500 limit (2026). At ages 60–63, the SECURE 2.0 super catch-up raises the extra amount to $11,250, for a total of $35,750.³ That 60–63 window is the highest-leverage savings period in a federal career.
• Model your actual numbers. Pull your SSA.gov statement, run the FERS pension formula against your current High-3 and projected service years, and calculate your actual TSP target using the TSP Withdrawal Strategy Calculator. Benchmarks are approximations; your situation may be better or worse.
• Roth conversions. The window between early retirement (age 57) and Medicare at 65 is often the lowest-tax period of your life — pension income but not yet Social Security or RMDs. Converting traditional TSP to a Roth IRA during this window reduces future RMDs and IRMAA exposure. See the TSP Roth Conversion Calculator.

Interactive: Am I On Track with My TSP?

Enter your details to see whether your current balance is pacing toward a retirement-ready number, adjusted for your FERS pension floor. The calculator assumes 7% annual TSP growth, 2.5% salary growth, and Social Security of approximately $20,000/year at age 67 — verify your actual SS estimate at SSA.gov.

If You Are Behind the Benchmark

Being behind at a given age is not a crisis — FERS employees have several levers private-sector workers lack. In rough order of impact:

• Maximize catch-up contributions. At 50+, you have $8,000/year in additional TSP room. At 60–63, that rises to $11,250 extra. Closing a $150,000 shortfall over 10 years at 7% growth requires roughly $900/month in additional contributions — achievable with the super catch-up window.
• Review TSP allocation. The most common mid-career mistake is too much G Fund. Moving from 60% G / 40% equity to 30% G / 70% equity at age 45 is worth tens of thousands by retirement. Your FERS pension is already fixed income; TSP can afford more equities than the L Fund glide path assumes.
• Work one or two more years. Each year at the end of a career does triple work: it adds service credit to your FERS pension (worth ~$1,000/year in annuity income per year of service at a $100K salary), adds TSP contributions and growth, and reduces the years you need to fund. One extra year near retirement is often worth $50,000–$100,000 in lifetime retirement wealth.
• Delay Social Security. Delaying from 62 to 67 (or 70) raises your SS benefit by 6–8% per year of delay. A higher SS floor shrinks the gap TSP must fill in steady state, reducing your required TSP balance by $60,000–$150,000 depending on your benefit.
• Use the partial rollover strategy at retirement. You do not have to choose between leaving all funds in TSP or rolling everything to an IRA. Keeping G Fund access and the Rule of 55 in the remaining TSP, while rolling a portion to a Roth IRA for tax-free growth, is often the most efficient structure. A FERS specialist models this rather than optimizing each account in isolation.

1. Fidelity Investments — How much should I have saved for retirement? Published retirement savings benchmarks by age (1×/2×/3×/6×/8×/10× referenced). fidelity.com
2. OPM — FERS Basic Annuity Computation (5 U.S.C. §8415). Formula: 1.0% (or 1.1% at 62+ with 20+ yrs) × High-3 × service years. opm.gov
3. TSP.gov — 2026 Elective Deferral Limits and Agency Matching Contributions. Regular $24,500; catch-up (50+) $8,000; super catch-up (60–63) $11,250; agency match formula (1% auto + up to 4% matching). tsp.gov
4. SSA.gov — Social Security Retirement Benefits and my Social Security account. Verify your actual estimated benefit at your Full Retirement Age and at ages 62 and 70. ssa.gov
5. OPM — FERS Special Retirement Supplement (5 U.S.C. §8421). Supplement eligibility and formula for MRA+30 and age 60+20 retirees — the automatic bridge payment to age 62. opm.gov

Values verified as of July 2026. Contribution limits from TSP Bulletin 25-3 and IRS Notice 2025-67. FERS pension formula per 5 U.S.C. §8415 and OPM Retirement Handbook. Private-sector benchmark multiples consistent with Fidelity published guidance (1×/2×/3×/6×/8×/10× by age).