There is no fixed dollar figure. Invest a percentage of gross income: 15 to 20 percent for a standard retirement at 65, and 40 percent or more if you want financial independence decades early. The savings rate, not the dollar amount, sets your timeline. Max your tax-advantaged accounts first, then automate the rest.
Key takeaways
- The right number is a percentage of income, not a dollar amount. Aim for 15 to 20 percent of gross for a conventional retirement, and 40 to 70 percent if the goal is early financial independence.
- Your savings rate does almost all the work. At 20 percent you reach financial independence in about 37 years; at 50 percent, about 17; at 70 percent, about 9.
- For 2026, maxing a 401(k) is $2,042 a month, an IRA is $625, and a family HSA is $729. Filling all three runs about $3,396 a month, or $40,750 a year.
- Max the tax-advantaged accounts in order before adding a taxable brokerage, because each account ahead of the next offers a better after-tax return.
- For high earners, the percentage is a floor, not a ceiling. Tax-advantaged space caps out around $40,750, so hitting a real FIRE savings rate means routing the overflow into a taxable account.
- Automate every contribution. Payroll deferrals and scheduled transfers turn the target into a habit instead of a monthly decision.
Why it is a percentage, not a number
A dollar target ignores the two things that actually decide the answer: what you earn and what you want the money to do. Someone earning $80,000 and someone earning $600,000 cannot use the same monthly figure, and neither can a 30-year-old planning to retire at 65 and a 35-year-old planning to retire at 48.
Anchoring on a percentage of gross income fixes both problems at once. It scales with your paycheck, and it maps directly onto a timeline. The standard guidance for a traditional retirement is 15 to 20 percent of gross income, contributions plus any employer match. That range is built to replace your income at a normal retirement age with a normal-length career.
Financial independence is a different target and needs a different rate. The arithmetic is blunt: at a conventional 15 to 20 percent, work runs three to four decades. Compressing that to one or two decades takes a savings rate of 40 percent or higher.
What the savings rate buys you
Your savings rate sets your working years almost by itself, because saving more grows the portfolio while shrinking the spending it eventually has to replace. Assuming a 5 percent real return, starting from zero, and a target of 25 times annual spending under the 4 percent rule:
| Savings rate | Years to financial independence |
|---|---|
| 20% | 37 |
| 30% | 28 |
| 40% | 22 |
| 50% | 17 |
| 60% | 12 |
| 70% | 9 |
| 80% | 6 |
The jump from 50 to 70 percent cuts the timeline nearly in half. This is the same table that anchors our savings and investment plan, and the takeaway is identical: the contribution rate, not the fund you pick, is the lever. For high earners that range is realistic without deprivation, because housing, cars, and taxes scale down faster than day-to-day satisfaction does.
Max the tax-advantaged accounts first
Before you settle on a percentage, fill the accounts that come with a tax shelter. Every dollar inside a 401(k), IRA, or HSA works harder than the same dollar in a taxable brokerage, so these are where the first contributions belong. Here is what maxing each 2026 account costs per month:
| Account | 2026 limit | Monthly to max |
|---|---|---|
| 401(k) employee deferral | $24,500 | $2,042 |
| Traditional or Roth IRA | $7,500 | $625 |
| HSA, family coverage | $8,750 | $729 |
| HSA, self-only coverage | $4,400 | $367 |
Source: IRS IR-2025-111 and Notice 2025-67. Catch-up contributions stack on top from age 50 (55 for the HSA).
Filling a 401(k), an IRA, and a family HSA together comes to about $3,396 a month, or $40,750 a year. If your plan allows after-tax contributions and in-plan conversions, the mega backdoor Roth extends the 401(k) all the way to the $72,000 total additions cap, roughly $6,000 a month, which is the single biggest lever for high savers. The order these accounts should be filled in, from the employer match through the taxable brokerage, is laid out in our savings and investment plan.
How the number scales with income
For most people the 15 to 20 percent guideline and the account caps point at the same place. For high earners they diverge, and that gap is the whole game.
Take a household earning $500,000 gross. Twenty percent is $100,000 a year, but total tax-advantaged space is about $40,750, or roughly $72,000 with a mega backdoor Roth. Maxing every sheltered account is only 8 to 14 percent of gross. So for anyone with a high income and a FIRE target, the percentage stops being a ceiling and becomes a floor: you fill the tax-advantaged accounts, then send everything above them into a taxable brokerage.
That taxable layer is not a consolation prize. For early retirees it is the bridge that funds the years before age 59.5, when retirement accounts carry an early-withdrawal penalty, so a large FIRE portfolio ends up with a substantial taxable component by design. The binding metric for a high earner is the savings rate measured on after-tax income, not which accounts happen to be full. A $500,000 earner maxing every shelter and stopping there is saving a modest fraction of income; the same earner directing another $8,000 a month into a brokerage is running a 40-plus percent rate and buying a decade off the timeline above.
Automate it, then increase it
The contribution that never reaches your checking account is the one that actually happens. Set 401(k) and HSA deferrals through payroll so the money is invested before you see it, then schedule an automatic transfer into your IRA and taxable brokerage a day or two after each paycheck. What is left in checking is what you spend, which enforces the savings rate without monthly budgeting willpower.
Automation also handles the timing question for you. Investing a fixed amount on a schedule, dollar-cost averaging, means you keep buying through downturns without having to decide to, and buying more shares when prices are low is a feature of the approach rather than a risk of it. Timing never enters the process.
Two habits compound the effect. Raise the contribution by one percentage point every year, and route every raise or bonus straight to investments before lifestyle absorbs it. A rate you barely notice today becomes a serious rate within a few years, and the earlier those dollars go in, the more time does the heavy lifting, a gap we quantify in early versus late investing.
The bottom line
Stop asking for a dollar figure and pick a percentage. Fifteen to 20 percent of gross keeps a conventional retirement on track; 40 percent or more compresses the timeline into a decade or two. Max the tax-advantaged accounts in order, treat the percentage as a floor once your income outgrows the caps, and automate every contribution so the plan runs without you. For the full account-by-account sequence and the math behind the 4 percent rule, start with our financial independence hub and the investing hub.
Frequently asked questions
How much does it cost per month to max out a 401(k), IRA, and HSA in 2026?
Filling a 401(k), an IRA, and a family HSA together comes to about $3,396 a month, or $40,750 a year for 2026. On their own, maxing a 401(k) is $2,042 a month, an IRA is $625, and a family HSA is $729. A self-only HSA runs $367 a month instead of $729.
What savings rate do I need to reach financial independence in about 10 years?
A savings rate of roughly 70 percent puts financial independence about 9 years away, assuming a 5 percent real return and a target of 25 times annual spending. At 60 percent it is about 12 years, and at 50 percent about 17 years. The rate, not the fund you pick, sets the timeline.
Should high earners treat the recommended savings percentage as a cap?
No, for high earners the percentage is a floor, not a ceiling. Tax-advantaged space caps out around $40,750, which for a $500,000 earner is only 8 to 14 percent of gross. Hitting a real FIRE savings rate means filling the sheltered accounts first, then routing everything above them into a taxable brokerage account.
Why is a taxable brokerage account important for early retirees?
A taxable account is the bridge that funds the years before age 59.5, when retirement accounts carry an early-withdrawal penalty. Because of that, a large FIRE portfolio ends up with a substantial taxable component by design. It is not a consolation prize once tax-advantaged accounts are full; it is what covers spending before penalty-free access begins.
How can I raise my savings rate without relying on willpower each month?
Automate every contribution so the money is invested before you see it. Set 401(k) and HSA deferrals through payroll, then schedule automatic transfers into your IRA and taxable brokerage a day or two after each paycheck. Beyond that, raise the contribution by one percentage point every year and route every raise or bonus straight to investments.