How do I know if I can afford to retire early?
You evaluate it much as a lender evaluates whether a loan can be repaid: by testing the assumptions. Start from what the household actually spends, subtract the income that will arrive regardless of markets, and see what is left for the assets to fund — then ask whether those assets are reachable, how long they must last, what health coverage will cost before Medicare, and what happens if the first few years go badly.
There is no universal multiple of income or portfolio balance that settles this. Two households with identical balances can reach opposite conclusions because one spends more, retires four years earlier, holds everything in pre-tax accounts, or has no coverage until 65.
This is an educational framework, not a determination about your situation, and nothing here guarantees that any particular plan will succeed.
The requirement is set by spending, not by a target balance
Every credible early-retirement analysis starts from the same place: what the household actually spends, including the irregular items that never appear in a monthly average — insurance, property taxes, vehicles, home maintenance, family support.
From there the question becomes how much of that spending is met by reliable income, how much has to come from assets, and for how long. A portfolio multiple quoted as a universal rule skips every one of those steps.
- Actual spending, including irregular and periodic costs
- Which portion is met by reliable income and which by withdrawals
- How the requirement changes across the first decade
- What happens to the plan if spending runs above the estimate
Sequence risk and a longer funding period
Retiring early does two things at once: it lengthens the period the assets must support and it moves the first withdrawals earlier, when a poor market stretch does the most lasting damage.
This is why stress testing matters more than a single projection. A plan that works on average assumptions and fails on an early downturn is not a plan that has been tested.
- Early withdrawals during a decline remove shares permanently
- A reserve can reduce forced selling in poor years
- Flexible spending is itself a risk control
- Survivor income deserves its own test, not an averaged one
What a general answer cannot tell you
A general explanation can identify which factors decide this and show how they interact. It cannot confirm what you are eligible for, what a calculation would produce for your accounts, or what a decision would cost you.
Those results depend on your own numbers and documents and are produced through individualized analysis with the professionals and administrators responsible for them. Nothing here is individualized tax, legal, insurance or investment advice.
Reviewed by Bay Area Wealth Advisors. Last reviewed 2026-09-15. Educational information only — not individualized financial, tax or legal advice.