$1.2 million sounds like a lot.

And it is.

But how long it actually lasts depends less on the number itself and more on how you use it.

Spend less, and the money stretches much further. Spend more, and things can run out faster than expected. (Isn’t that common sense? Yes, but there’s more to it than meets the eye)

What Really Determines How Long It Lasts?

At the end of the day, it comes down to a few variables.

Your spending level is the biggest one.

If you’re spending somewhere in the $30k–$40k range, $1.2M can realistically last decades, sometimes even indefinitely if returns cooperate.

Push that up to $70k–$80k, and now you’re looking at something closer to 15–20 years in many cases.

Then there’s investment returns and inflation.

Higher returns give you more breathing room. Inflation does the opposite. And since you don’t control either of those, planning conservatively usually makes sense.

Spending Level and Safe Withdrawal Rates

If you strip everything down, there’s a basic relationship at play, where your portfolio shrinks by what you withdraw and grows by whatever return you earn.

If returns are zero, it becomes even simpler.

You’re just dividing your savings by your yearly spending.

So $1.2M divided by $48k gives you about 25 years.

That’s the “no growth” version. Real life is rarely that clean, but it gives you a rough sense of direction.

What Different Spending Levels Look Like

Let’s say you fall into one of three categories:

At the lower end, the portfolio has a lot of room to breathe. Even modest returns can keep things going for 30, 40, or even 50 years.

In the middle range, things are more balanced. You’re likely looking at something in the 20–30 year range, depending on how markets perform.

At the higher end, you’re drawing down faster. Even with solid returns, the timeline shortens pretty quickly.

It doesn’t take a huge change in spending to shift the outcome by a decade or more.

When You Retire Matters More Than You Think

Timing plays a bigger role than most people expect.

Retiring at 55 means your money might need to last 30+ years.

Retiring at 65? Maybe closer to 20–25 years.

Retiring at 70? Even shorter.

The shorter the timeline, the more flexibility you have with spending.

That’s why someone retiring later can often afford a higher withdrawal rate without taking on as much risk.

Ways to Make $1.2M Last Longer

Spending flexibility is probably the most important. Being willing to cut back slightly during bad market years can make a huge difference over time.

Also, delaying Social Security can boost your guaranteed income later.

Keeping fees low and staying invested in a balanced portfolio helps maintain growth.

And sometimes, it’s as simple as adjusting your lifestyle. Downsizing, relocating, or just spending a bit less than you could.

None of these is dramatic on its own, but together they add up.

So… Is $1.2M Enough to Retire Comfortably?

Comfort depends on your required lifestyle, obligations (e.g., mortgages, kids), health, and other income sources.

For a moderate lifestyle, especially with Social Security in the mix, it can absolutely be enough.

For a higher-spending lifestyle or very early retirement, it might feel tight.

If your annual expenses (including taxes) exceed about 4% of $1.2M ($48k), you’ll likely deplete principal at some point.

Spending much below that (e.g., $30–40k/yr) leaves a buffer. Spending much above (e.g., $80k+ without large Social Security) is very risky.