Coast FIRE number at 35
Coast FIRE means you've invested enough that, even if you never save another dollar, compound growth alone carries you to a full retirement. At age 35, roughly $289,000 invested today would grow to a $1,250,000 nest egg by 65 (assuming a 5% real return) — enough to fund a comfortable retirement. After that, your paycheck only has to cover today's expenses.
Your Coast FIRE number at 35, by return assumption
Coast FIRE is sensitive to the return you assume over the 30 years to 65 — a higher real return means a smaller amount needs to compound:
| Return | Coast number | Growth |
|---|---|---|
| 4% real | $385,000 | 3.2× |
| 5% real | $289,000 | 4.3× |
| 6% real | $218,000 | 5.7× |
What Coast FIRE does and doesn't mean
Hitting your Coast FIRE number is a genuine milestone: your retirement is essentially on autopilot, and you gain the freedom to take a lower-paying but more fulfilling job, go part-time, or stop retirement contributions and spend that money now. It does not mean you can stop working — you still need income to cover current living expenses until you actually retire.
The number rests on two assumptions worth pressure-testing: the return you earn over the years to 65 (markets are uncertain, and a weak stretch early does outsized damage), and the target nest egg itself, which depends on your future spending. Model your own inputs to see how sensitive your coast number is to both.
After the number is hit, redirecting the savings you no longer need
Reaching your coast number at 35 is a milestone, not a finish line. The math says compounding can carry your existing balance to the retirement target with no new contributions — but you still need current income to pay this year's bills, so the day-to-day job does not disappear.
What changes is where your surplus goes. The money you were funneling into retirement accounts is now free, and the interesting decisions are about how to use that freedom:
- Go part-time or take a lower-stress role that still covers living costs.
- Redirect former retirement savings toward near-term goals — a home, travel, education, time with young kids.
- Keep an emergency fund and short-term savings intact; coasting frees retirement contributions, not all saving.
Just confirm the milestone is solid before acting on it. If the number was built on an optimistic return, a weak stretch early on could quietly pull you back below the line, so recheck it periodically rather than declaring victory once.
Common questions
What is the Coast FIRE number at 35?
About $289,000 invested at age 35, assuming a 5% real return, would grow to a $1,250,000 retirement nest egg by 65 with no further contributions. At a 6% real return it's closer to $218,000; at 4%, about $385,000.
Does Coast FIRE mean I can stop working?
No — it means you can stop saving for retirement. You still need enough income to cover your current living expenses until you retire; your retirement savings just grow on their own from here.
What return should I assume for Coast FIRE?
A real (after-inflation) return of about 5% is a common, moderate assumption for a stock-heavy portfolio over a long horizon. Because markets are uncertain, it's wise to check your number against a lower rate too.