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Retire at 55 calculator
Retiring at 55 means funding about 40 years, with a long stretch before Social Security. Enter your numbers to see how that plan held up historically.
58 of 59 historical 40-year retirements lasted with fixed spending of $70,000 a year and Social Security of $32,000 from age 67.
- Bridge years before Social Security (12)
- After Social Security starts
| Plan | Lasted to 95 | Lowest yearly spending | Typical money left |
|---|---|---|---|
| Fixed (4% rule style) | 98% (58 of 59) | Ran out | $2.64M |
| Guardrails | 100% (59 of 59) | $56,000 | $1.64M |
| Guardrail buckets | 100% (59 of 59) | $56,000 | $2.33M |
What this means
Retiring at 55 means planning for about 40 years, longer than the 30 years behind the classic 4% rule. With $1,500,000 and spending of $70,000, fixed withdrawals lasted to 95 in 58 of 59 historical starts (98%).
The first 12 years are the heaviest: savings pay everything until Social Security starts at 67. That bridge is where a bad market does the most damage, which is why a cash bucket sized to the bridge years can help.
The highest steady spending that lasted to 95 in every start was about $69,500 a year. With guardrails, the same plan lasted in 100% of starts, with spending never below $56,000.
The two phases of a retirement at 55
Before Social Security, your savings pay for everything. That bridge can last 7 to 15 years depending on when you claim, and it’s when your withdrawal rate is highest. After Social Security starts, withdrawals drop to just the gap between spending and benefits.
Because the heavy years come first, the early market sequence matters even more than usual. A bad first decade during the bridge years is the main risk to plan for.
Costs that are easy to underestimate
- Health insurance until 65. Private or marketplace coverage can be one of the largest costs before Medicare.
- Penalty-free access. The 401(k) “rule of 55” (penalty-free withdrawals from your current employer’s 401(k) if you leave that job in or after the year you turn 55) and 72(t) payments (a fixed series of IRA withdrawals) affect which accounts you can tap first.
- A longer horizon. Planning to 95 from 55 is 40 years, not the 30 behind the 4% rule.
Assumptions
- Spending rises with inflation. Social Security is in today’s dollars and starts at 67. Health insurance before Medicare at 65 should be part of your spending.
- Fixed and guardrail plans hold 60% stocks; guardrail buckets keep 4 years of withdrawals in Treasuries with the rest 80% stocks.
- Each 40-year stretch of history since 1928 is tested. No taxes or fees.
New to a term? See the retirement income glossary.
Common questions
How much do I need to retire at 55?
For a 40-year retirement, a balanced mix historically supported about 3.5% of savings a year, so roughly 29 times what you’ll withdraw each year. Social Security starting later lowers that. Use the calculator for your numbers.
Should I claim Social Security early if I retire at 55?
Claiming later means a larger monthly benefit for life, but a longer, more expensive bridge before it starts. Try claiming at 62 and 70 above to compare.
Related tools
How we calculate this
We replay your spending through every historical stretch as long as your retirement, with savings covering the full amount until Social Security starts and only the gap afterwards.
Data: S&P 500 total returns, 10-year Treasury and 3-month Treasury bill returns as compiled by Aswath Damodaran (NYU Stern), and CPI-U inflation from the U.S. Bureau of Labor Statistics, 1928–2025 (2025 preliminary). Read the full methodology and limitations.