With $600,000 saved for retirement, you stand ahead of most Americans. According to Fidelity’s Q1 2026 retirement analysis, the average 401(k) balance among Baby Boomers is $260,300, while the average IRA balance for that generation sits at $286,700. The 401(k) figures come from 25.6 million plan participants, and the IRA figures are drawn from 19.6 million accounts, both tracked through March 31, 2026.
Yet a nest egg that places you above average does not automatically translate to financial security. The real question is whether $600,000 can carry you through two or three decades of retirement, or whether you need to keep building. Here is what the numbers reveal.
How much income does $600,000 in retirement investments produce?
A $600,000 portfolio represents substantial savings, but it must last for decades. The central challenge is balancing income needs against portfolio longevity. Withdraw too aggressively and you risk depleting your accounts early. Withdraw too conservatively and you sacrifice quality of life when you could be spending more.
The 4% rule offers one widely used benchmark. The framework calls for withdrawing 4% of your portfolio in year one, then adjusting that dollar amount upward each year for inflation. Designed to give retirees strong odds of sustaining income over a 30-year retirement, it has anchored planning conversations for decades. Current expert guidance shows meaningful variation across researchers. Morningstar’s State of Retirement Income report recommends a 3.9% starting withdrawal rate for typical retirees (up from 3.7% the prior year), based on a 90% probability of funds remaining after 30 years. Flexible spending strategies, where retirees trim withdrawals in down markets and increase them during stronger ones, can push that sustainable rate as high as 5.7%, according to the same research. William Bengen, the financial planner who originated the 4% rule, has since revised his own estimate to 4.7% for portfolios with broader diversification beyond traditional stocks and bonds.
Under the traditional 4% guideline, a $600,000 nest egg produces $24,000 in the first year. You then adjust that dollar figure for inflation going forward. If inflation runs at 2.5%, your second-year withdrawal rises to $24,600, preserving purchasing power while keeping capital intact for the long term.
Can you live on $600K as a retiree?
Knowing your portfolio can generate roughly $24,000 a year is only half the equation. Whether that income suffices depends entirely on your personal circumstances, and two variables matter most: your preretirement earnings and the lifestyle you hope to maintain.
Someone who earned $60,000 annually may find $24,000 from savings, combined with Social Security, more than adequate. A higher earner accustomed to $120,000 per year faces a much larger income gap. As of May 2026, the average Social Security retirement benefit is $2,082.76 per month, or approximately $24,993 annually, according to the SSA’s Monthly Statistical Snapshot. Layered with $24,000 from portfolio withdrawals, that brings total income to roughly $49,000 before taxes for someone receiving average Social Security benefits. The 2026 Social Security cost-of-living adjustment was 2.8%, confirmed by the SSA’s official COLA fact sheet, adding about $56 per month to the typical check compared with 2025.
Healthcare is another critical variable. Retiring before age 65 means covering health insurance premiums entirely on your own until Medicare eligibility begins. Even after Medicare kicks in, out-of-pocket costs accumulate quickly. In 2026, the standard Medicare Part B premium rose to $202.90 per month, up $17.90 (nearly 10%) from $185 in 2025. That premium increase alone outpaces the 2.8% COLA, illustrating how medical inflation erodes purchasing power even after government adjustments. For a healthy 65-year-old couple retiring in 2026, total annual healthcare costs including Medicare Part B, Part D, Medigap, dental premiums, and out-of-pocket expenses can start around $17,000 in year one and are projected to climb substantially as medical needs grow with age.
Timing matters deeply. A 55-year-old retiree needs savings to stretch 35 or 40 years, creating far more pressure on each dollar than a 67-year-old faces with a shorter time horizon. Fidelity’s Q1 2026 data offers an encouraging benchmark for consistent savers: participants who contributed to the same 401(k) plan for 15 consecutive years averaged $648,800 across all account types. Baby Boomers in that group specifically averaged over $576,000, making $600,000 a realistic target for someone who has saved steadily over a long career.
For some retirees, $24,000 annually from investments, combined with Social Security and careful healthcare planning, delivers a comfortable financial cushion. For those retiring early, living in high-cost areas, or managing chronic health conditions, that figure can fall short. Consulting a financial advisor can help you model your specific income needs, stress-test your plan against inflation and healthcare cost scenarios, and determine whether your $600,000 provides the security you need.
Editor’s note: This update corrects the participant count underlying Fidelity’s IRA data to 19.6 million accounts (separate from the 25.6 million 401(k) participants), updates the average Social Security retirement benefit to the May 2026 figure of $2,082.76 per month, corrects the COLA monthly dollar increase to approximately $56 (from $57), and revises the 15-year continuous-saver benchmark to $648,800 across all account types, with Baby Boomers in that group averaging over $576,000.
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