How Long Will $1.7 Million Last in Retirement? Calculate Your Results
$1.7 million in retirement is typically evaluated using a systematic withdrawal rate, not as a fixed balance expected to last a set number of years.
The most widely cited benchmark is the 4% rule, which estimates an initial annual withdrawal from a diversified portfolio, adjusted for inflation.
$1.7 Million Retirement Savings Calculator
Enter any retirement pot, annual withdrawal amount, inflation rate, and portfolio growth rate to see how long the money may last based on your inputs.
Inputs
These settings assume the money exists at retirement, not before retirement.
RETIREMENT RESULT
With a $1,700,000 retirement pot and $68,000/yr withdrawals, your money could last until age 108.
- How long it lasts 41 years
- Balance at your planned age $1,431,935
- Break-even annual withdrawal for your plan $87,608/yr
- Result note Based on the values entered, the model projects the retirement balance using your inputs only.
See how inflation can change your retirement income, compare future buying power, and plan with more confidence.
Calculate Your $ Future ValueHow Long $1.7M lasts Under Different Scenarios
Let’s compare how long $1.7 million might last at different withdrawal rates across two scenarios:
- If there is no investment growth
- Spending rises by 3% inflation each year.
What Can Change How Long $1.7 Million Lasts?
Several factors can make the same portfolio last much longer or much shorter.
1. Life expectancy and retirement age
A retiree who leaves work at 65 may need the portfolio to last around 30 years or more.
Someone retiring at 75 may only need the money to last 15 to 20 years.
2. Sequence of returns risk
Poor markets early in retirement can do real damage because withdrawals continue even when portfolio values are down.
A rough start can shorten the life of the portfolio, even if long-term average returns look fine on paper
3. Asset allocation
A portfolio with more stocks may grow more over time, which can help the money last longer.
But it also comes with more volatility.
A balanced mix is often used in retirement studies because it tries to balance growth and stability.
4. Spending surprises
Home repairs, family emergencies, major medical bills, and other large expenses can force bigger withdrawals than planned.
5. Taxes
Withdrawals from traditional retirement accounts are often taxable, which means the amount you spend after taxes may be lower than the amount you take out.
6. Healthcare and long-term care
Medical costs can be one of the biggest retirement expenses.
Medicare helps, but it does not cover everything, especially long-term care.
How Social Security Can Stretch Your Portfolio?
If your retirement spending goal is $68,000 a year and Social Security covers part of that, the portfolio does not need to do all the work.
That can reduce the withdrawal rate and extend longevity.
Social Security can reduce pressure on your portfolio and make your withdrawal plan much more durable.

A retirement portfolio of $1.7 million is generally sufficient for a middle-class to upper-middle-class retirement, depending on spending habits, retirement age, and investment returns.
The key determinant is not the balance itself, but how much you withdraw each year and market performance early in retirement, known as sequence-of-returns risk.
Key Planning Assumptions
| Parameter | Assumption |
|---|---|
| Portfolio Size | $1,700,000 |
| Retirement Age | 60–65 |
| Planning Horizon | 30–40+ years |
| Typical Annual Spending | $50,000 – $85,000 |
| Asset Allocation | 60% Equities / 40% Bonds |
| Expected Portfolio Return | 5%–6% annually |
| Inflation | 2%–3% annually |
| Other Retirement Income | Social Security, part-time work, or pensions may improve sustainability |
| Baseline Withdrawal Strategy | 3.3%–4% rule, inflation adjusted |
Baseline Method: The 4% Rule
The widely used 4% rule suggests withdrawing 4% in the first year and adjusting withdrawals for inflation each year. It was designed for roughly 30-year retirement periods.
Updated research and modern retirement planning often point to safer starting ranges closer to 3.3%–3.5%, especially for longer retirements or more conservative market assumptions.
Scenario Analysis
| Scenario | Annual Spending | Expected Outcome |
|---|---|---|
| Best Case | $50,000 – $60,000 | 40–50+ years |
| Base Case | $60,000 – $70,000 | 30–40 years |
| Worst Case | $85,000 – $100,000+ | 18–28 years |
Best-Case Scenario
In a strong market environment with disciplined spending, $1.7 million can perform exceptionally well. If returns run in the 6%–8% range, inflation stays moderate, and no major early crashes occur, the portfolio may grow for years before meaningful drawdown begins.
The key driver is strong early-market performance combined with controlled withdrawals.
Base-Case Scenario
The realistic planning case assumes average returns around 5%–6%, normal recessions, inflation near 3%, and standard inflation-adjusted withdrawals.
This is the most commonly used assumption set in financial research and advisory practice.
Worst-Case Scenario
A poor sequence of returns early in retirement can sharply reduce portfolio longevity. If retirement begins just before a market downturn, returns stay in the 3%–4% range, inflation spikes to 4%–7%, and spending does not adjust, the portfolio can deplete much faster.
This scenario is rare, but it is the one that risk planning is designed to protect against.
Impact Of Spending Level
| Annual Spending | Withdrawal Rate | Expected Outcome |
|---|---|---|
| $50,000 | 2.9% | Very strong chance of lasting 40+ years |
| $60,000 | 3.5% | Likely 35–45 years |
| $70,000 | 4.1% | Around 30–40 years |
| $85,000 | 5.0% | Higher risk of depletion in 20–30 years |
| $100,000+ | 5.8%+ | Elevated risk of running out in 20–25 years |
Key Risks That Determine Outcome
- Sequence-Of-Returns Risk — Early market downturns can permanently reduce portfolio sustainability.
- Inflation — Even 3% inflation can double living costs in about 25 years.
- Healthcare Costs — Often the largest unpredictable expense in later retirement.
- Withdrawal Rigidity — Failing to reduce spending during downturns can significantly shorten portfolio life.
Is $1.7 Million Enough?
Generally sufficient if:
- Spending is $50,000–$70,000 per year
- Portfolio is diversified across stocks and bonds
- Withdrawals remain flexible during downturns
- Additional income exists, such as Social Security or part-time work
Potentially sufficient but tighter if:
- Spending is $70,000–$85,000 per year
- Retirement starts early in the 50s
- Healthcare or housing costs are higher than expected
Risky if:
- Spending exceeds $90,000 per year
- There is no flexibility in withdrawals
- Retirement begins early with a 40+ year horizon
Monte Carlo Probability Simulation
Monte Carlo simulations model thousands of potential return sequences. Under baseline assumptions, the portfolio shows a strong chance of lasting through a standard retirement horizon, but longevity declines sharply when spending rises or early returns are weak.
Retirement Portfolio Projection
Withdrawal Rate Sustainability Curve
Withdrawal rates above 5% significantly increase the risk of portfolio depletion before the end of retirement. Financial planners commonly recommend starting near 3%–4% for long-term sustainability.
A $1.7 million retirement portfolio can provide a stable financial foundation for many retirees, especially when paired with Social Security income and diversified investments. The real outcome depends on withdrawal discipline, market performance, inflation, and how long retirement lasts.
For many households, the portfolio is enough. For higher spenders or very long retirements, flexibility and planning discipline become essential.
