Can I retire at 45 with $500,000 as a single person?

Retiring as a single person at 45 with $500,000 is a 50-year planning problem, one of the longest financial commitments you can make. The first years of withdrawals decide most of it: a 2008-style drawdown early on leaves a very different path than retiring into a calm decade, which is why this page reports odds rather than a single projection.

What 10,000 simulated retirements say

Your odds of lasting to 95 at each all-in monthly budget, in today's dollars. See how we ran these numbers.

The 4% rule versus the simulation

The 4% rule says $500,000 supports $1,670 a month from the portfolio. Add the $2,071 monthly Social Security we assume for you and the budget comes to $3,740. But benefits don't start until 67, so for the first 22 years the portfolio pays the whole $3,740 on its own. Simulated, that budget lasts to 95 in 10% of futures. The rule badly overstates what's safe here: a 22-year bridge to Social Security drains the portfolio before benefits arrive. The 90%-odds budget is $1,950.

Notice that $1,950 is less than the $2,071 a month Social Security pays from 67. The limit here is the 22-year bridge, not the decades after it: these numbers hold spending flat for life, so a plan that spends less before 67 and more once benefits start can support a higher lifetime budget than this table shows.

How the money holds up over time

Spending $1,950 a month, the median simulated household still holds $980K at 85 (in today's dollars). In an unlucky future — the 10th percentile — it's down to $19K, and in a lucky one (90th percentile) it's $4.06M. Among the futures where the money lasts, the typical balance left at 95 is $1.76M — the cushion that a 90% target buys, more than the $500,000 you started with.

Push spending to $2,300 a month and about 25% of simulated futures run dry before 95. When that happens, the median age the money runs out is 64, and the earliest tenth of those failures arrive by 59. That falls inside the wait for benefits at 67; the emergency valve would be claiming early, at a permanently reduced check.

What moves the odds

Holding spending at $1,950 a month and changing one thing at a time, nothing tested improves the odds by more than a point, so this budget is already close to its best setup. The biggest downside is a 22% benefit cut from 2032, which takes the odds to 85%.

Our read

The 4% rule was built for 30 years, not 50

Bengen's 4% rule was tested on 30-year retirements. Retiring at 45 is a 50-year problem, and the first 22 years have no Social Security. That is why the rule's $3,740 budget (4% of savings plus your eventual benefit) lasts in only 10% of simulated futures here, while $1,950 clears 90%.

The other constraint is access. If most of the $500,000 sits in a 401(k) or IRA, the 10% penalty applies until 59½. The usual routes around it are a 72(t) schedule of substantially equal payments, which must run at least five years or until 59½, whichever is longer, or a Roth conversion ladder started five years before you need the money. Work out the access route before the budget; it decides which dollars you can actually spend in your late 40s.

Each alternative moves the number by a known amount: leaving at 50 supports $2,250 a month at the same odds, and $750,000 at 45 supports $2,600. The outside risk is the 2032 shortfall, which takes the odds to 85%. From 67 your own $2,071 benefit would exceed this whole budget, so a smaller check eats straight into the margin.

Related: How a Roth conversion ladder works

One benefit, one plan

No spousal or survivor benefit backs this plan up: your $2,071 check is the only income that can't run out. From 67 it more than covers $1,950, so the pre-benefit years are the whole risk. There's no partner to share two other costs with, either: the Administration for Community Living estimates almost 70% of people turning 65 will need some long-term care, which this simulation doesn't model, and the single-filer IRMAA surcharge applies above $109,000 of MAGI, half the joint level.

Sources: ACL — how much care will you need?

Your timeline from age 45

1. 51

   2032: projected trust-fund depletion

   About 78% of scheduled benefits payable without action from Congress (2026 Trustees Report): $456 a month less. Odds at $1,950: 85%.

   Source: ssa.gov
2. 59½

   Penalty-free IRA and 401(k) withdrawals

   14.5 years out. Until then, about $339K of spending at $1,950 a month has to come from taxable savings, Roth contributions or a 72(t) schedule.

   Source: irs.gov
3. 62

   Earliest Social Security claim

   $1,450 a month for life (70% of $2,071). It cuts the odds at $1,950 to 90%.

   Source: ssa.gov
4. 65

   Medicare

   20 years of individual coverage: COBRA for up to 18 months, then a marketplace plan whose subsidy depends on your income, not your savings.

   Source: healthcare.gov
5. 67

   Full retirement age (our assumption)

   $2,071 a month, 22 years after you stop working: more than the $1,950 budget.

   Source: ssa.gov
6. 70

   Maximum Social Security

   $2,568 a month (124%). Waiting lowers the odds at $1,950 to 86%.

   Source: ssa.gov
7. 75

   Required minimum distributions

   Born 1981, so RMDs start at 75 under SECURE 2.0, on a median $642K. From 63 on, conversion income counts toward Medicare's IRMAA surcharge, which applies above $109,000 of single MAGI.

   Source: irs.gov

How we ran these numbers

• You, 45, retiring in 2026 with $500,000 invested (home equity not counted) and no further contributions. Social Security of $2,071 a month at full retirement age, SSA's January 2026 average retired-worker benefit, claimed at 67 and indexed to inflation. Leaving work this early often lowers the real figure; check yours at ssa.gov/myaccount.
• 60/35/5 stocks, bonds and cash; spending flat in today's dollars, taxes and health insurance included; success means lasting to 95.

Benefit figures: SSA 2026 COLA fact sheet.

The methodology page documents every assumption and data source. Your own numbers will differ — run them below.