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◆ 2026 IRS CAPS ($24,500 401K / $7,500 IRA) • NEST-EGG LONGEVITY PLANNER

401(k), Roth IRA & Social Security — Retirement Longevity Calculator

Test your current retirement balance, monthly contributions, Social Security check, and target retirement budget through age 95—including immediate retirement (0 accumulation years) and shortfall stress checks.

DISPLAY SYMBOL (1:1 NO FX):
FRED · BLS · US-STATUTORY-2026.11 Plain-English A–Z Glossary →
Enter Your Numbers RUNS PRIVATELY IN YOUR BROWSER
52
65
$340,000
$1,100/mo
$2,450/mo
$5,400/mo
7.5% / 5.5%
3.8%
Your Results & Breakdown 2026 U.S. FORMULA
How Long Your Savings Last
Age 95+ (Surplus)
Sustains inflation-adjusted budget
Nest Egg at Age 65
$1,131,900
Nominal balance after 13 accumulation yrs
Monthly Portfolio Draw (Today's $)
$2,950/mo
$5,400 budget minus $2,450 Social Security
Initial Withdrawal Rate
5.1%/yr
2026 IRS 401(k) Cap: $24,500
Ready: Type exact dollar or percentage figures or drag any slider to update your tax, interest, and cash-flow breakdown immediately.

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◆ METHODOLOGY & PLAIN-ENGLISH GUIDE (CLICK DOTTED TERMS FOR DEFINITIONS)

Understanding Deterministic Projections vs. Sequence-of-Returns Risk

This planner compounds working savings monthly and tests annual inflation-adjusted retirement withdrawals assuming a steady average return (reducing portfolio return by 2 percentage points during retirement to reflect a more conservative bond/cash allocation). In real markets, severe bear markets during the first five years of retirement ('sequence-of-returns risk') can deplete a portfolio faster than a smooth average return suggests—which is why keeping 1 to 3 years of spending in T-Bills or cash reserves helps protect equity shares.