Can I retire at 65 with $1,000,000 as a single person?

At 65, a single person with $1,000,000 is past Social Security's full retirement age — so the claim-age question is mostly settled, and the planning conversation shifts to RMDs, Medicare IRMAA brackets, and tax-efficient withdrawal sequencing. The first five years of retirement spending mix is what sets your remaining 30-year tax bill.

The four levers, in priority order

Spending. $1,000,000 crosses the threshold where the 4% rule becomes conservative — at $3,333/mo of pure portfolio withdrawal you're funding $7,833/mo or more once Social Security arrives. The tax-efficiency conversation now matters more than the savings-rate conversation. Roth conversions during the low-income years between retirement and 73 (when RMDs start) are usually the single highest-leverage move at this tier.

Asset allocation. At 65, your allocation conversation is less about "growth vs safety" and more about funding the next decade of withdrawals with low-volatility assets while keeping a long-duration growth sleeve. A common structure: 2 years of cash + spending in money market, 5–8 years in bonds, the rest in stocks. The cash sleeve gives you the option to NOT sell stocks in a down year — which is what protects the long-term plan.

Social Security. You're at or past FRA — claiming now gets you the full benefit. The remaining decision is whether to delay further toward 70 for the 8%/year delayed credit. For a single retiree at 65, that's a personal-longevity bet: each extra year you live past 81 makes delay worthwhile in NPV terms.

Common pitfall: single retirees consistently underestimate healthcare cost variance. Long-term care alone has a median lifetime cost around $172,000 (Genworth, 2025) and roughly 1-in-3 single retirees will need it for over a year. Yearfold's calculator doesn't model LTC explicitly — set aside ~$200K-$400K outside the simulated portfolio if you're self-funding that risk.

Why a single number isn’t an answer

A bank calculator might tell you “Yes, you can retire — your $1,000,000 will last.” A Monte Carlo simulation tells you the share of plausible futures in which it lasts, the share in which it doesn’t, and what specifically goes wrong in the failure cases. The 10–25% of paths that don’t work are the part you’d actually want to defend against — by trimming spending, raising allocation, delaying Social Security, or working a couple of years longer.

Yearfold runs all 10,000 paths against your specific inputs and shows you the percentile band, plus three concrete fixes that move the success probability the most per unit of effort. Read the full methodology for the data-source and assumption details.