There is no single right number, but there are benchmarks that hold up well across income levels. The widely cited target is 15% of gross income, including any employer match. According to Fidelity, this rate — started at age 25 and maintained consistently — gives you roughly a 90% chance of sustaining your lifestyle through a 30-year retirement.
The 15% rule explained
Fidelity, Vanguard, and most financial planners converge on 15% because it accounts for:
- A 30–40 year working career starting in your 20s
- Roughly 5.5–7% average annual market returns over a full career
- A retirement lasting 25–30 years
- Replacing about 45% of your pre-retirement income from savings (the rest coming from Social Security)
If your employer matches 4%, you need to contribute 11% yourself to hit 15% combined. According to Fidelity’s research, consistent 15% savings from age 25 can help you accumulate roughly 10 times your annual income by age 67.
The reality is that most Americans fall short. The EBRI 2026 Retirement Confidence Survey found that more than a third of Americans don’t think they’ll have enough saved for retirement — the highest proportion since 2017. The aggregate national retirement savings deficit for households aged 25–64 is approximately $4.13 trillion.
Age-based savings benchmarks
Fidelity’s published milestones give a concrete way to track progress, assuming a retirement target of age 67:
| Age | Target savings (multiple of annual salary) | Example on $75,000 salary |
|---|---|---|
| 30 | 1× | $75,000 |
| 40 | 3× | $225,000 |
| 50 | 6× | $450,000 |
| 60 | 8× | $600,000 |
| 67 | 10× | $750,000 |
These are based on multiple market simulations assuming poor market conditions, 15% savings rate, 1.5% real wage growth, and a target of replacing 45% of pre-retirement income from savings. Someone with a pension or who plans to claim Social Security at 70 (maximizing their benefit) may be able to retire comfortably with less.
What if you started late?
Starting late is not catastrophic, but the math requires more aggressive action:
| Starting age | Required savings rate to reach 10x by 67 |
|---|---|
| 25 | ~15% |
| 30 | ~18% |
| 35 | ~23% |
| 40 | ~30%+ |
Two levers that help more than most people expect: delaying retirement and maximizing catch-up contributions. Working until 69 instead of 67 adds two more years of saving, shortens the withdrawal period by two years, and increases your Social Security benefit if you haven’t claimed yet. At age 50, IRS contribution limits rise to $8,600 for IRAs (up from $7,500) and $32,500 for 401(k)s (up from $24,500) in 2026.
The Social Security gap
Social Security is not designed to replace your full income. For average earners making roughly $69,000/year, Social Security replaces about 42% of pre-retirement income, according to SSA actuarial data. For higher earners ($111,000/year range), the replacement rate drops to roughly 35%. For lower earners ($31,000/year), it can reach 57%.
The implication: the higher your income, the more you must save personally. If you earn $150,000 and plan to spend 75% of that in retirement ($112,500/year), and Social Security replaces only 30–35% of that ($34,000–$38,000/year), you need your savings to generate $74,000–$78,000/year — requiring a portfolio of roughly $1.85–$1.95 million.
The 4% rule cross-check
A useful backward calculation: estimate your annual retirement spending, subtract your expected annual Social Security benefit, then multiply the remaining gap by 25. That is your target portfolio.
Example: planned spending of $72,000/year, minus $24,000 Social Security = $48,000 from savings. $48,000 × 25 = $1.2 million target portfolio.
You can verify your projected Social Security benefit at any time through your free account at ssa.gov.
Priority order for contributions
Sequence matters when you cannot max everything at once:
- 401(k) up to the employer match — this is an immediate 50–100% return on your contribution
- Pay off high-interest debt (above ~6% interest rate)
- Max out a Roth IRA ($7,500 in 2026, $8,600 if age 50+)
- Return to 401(k) and contribute up to the annual max ($24,500 in 2026, $32,500 if age 50+)
- Health Savings Account (HSA) if eligible — triple tax advantage
- Taxable brokerage account for additional savings
Common mistakes
Treating the employer match as “enough.” Many plans match 3–4% of salary. That alone is far short of 15%. The match is a bonus, not a strategy.
Pausing contributions during market downturns. Stopping contributions when markets are down locks in losses and misses the recovery. Investors who stayed invested through the 2020 COVID crash and the 2022 downturn recovered within 12–18 months. Those who stopped and restarted often bought back at higher prices.
Not increasing the savings rate with raises. Lifestyle inflation is the silent killer of retirement savings. Committing half of every raise to retirement before you adjust your spending is one of the most effective habit you can build.
Raiding retirement accounts for emergencies. Early withdrawals from a traditional IRA or 401(k) trigger a 10% penalty plus income tax. A $10,000 withdrawal at a 22% marginal tax rate costs $3,200 in taxes and penalties immediately, plus you permanently lose the compounding that $10,000 would have generated over 20–30 years.
Getting started
If you are not yet at 15%, start where you are and increase by 1–2% per year, ideally tied to annual raises so you never feel the reduction in take-home pay. Log into your employer’s 401(k) portal today and check your current contribution rate. If your employer offers auto-escalation (automatic annual increases), turn it on. Open a Roth IRA at Fidelity, Vanguard, or Schwab if you do not have one — setup takes under 30 minutes, and you can start contributing as little as $50/month.