Tag: retirement-planning

How Much Do You Need to Semi-Retire? A Realistic Example

One of the most common questions people ask when exploring semi-retirement is:

“How much do you actually need to semi-retire?”

Unlike full FIRE, Semi-Retire FIRE doesn’t require replacing 100% of your income forever. Instead, it combines investments with flexible or part-time work, which can dramatically reduce the amount of money you need before stepping away from full-time employment.

In this post, I’ll walk through a realistic semi-retire FIRE example, explain the numbers behind it, and show why semi-retirement can be achievable without extreme saving or very high income.

What Semi-Retire FIRE Really Means

Semi-retirement is not about never working again. It’s about:

  • Reducing working hours
  • Regaining control over your time
  • Working by choice rather than necessity

Most people who semi-retire:

  • Work part-time or seasonally
  • Freelance or consult
  • Combine income with investment withdrawals

The exact mix will look different for everyone — flexibility is the core feature.

Step 1: Understand Your Annual Expenses

The first step is knowing how much you need to live comfortably each year.

For this example, assume:

  • Your annual living expenses equal 100% of your lifestyle costs
  • Housing, food, transport, and leisure are all included
  • Your lifestyle is stable and realistic

Your number may be higher or lower, but the process remains the same.

Step 2: Decide How Much Income You Want in Semi-Retirement

Next, decide how much income you’re comfortable earning once you reduce work.

Example:

  • Flexible or part-time work covers 40% of your annual expenses

This could come from:

  • Part-time employment
  • Freelancing or self-employment
  • Seasonal or contract work

The goal is not maximum income — it’s sustainability and balance.

Step 3: Calculate What Your Investments Need to Cover

Now calculate the gap:

  • 100% total expenses
  • 40% covered by flexible income
  • 60% covered by investments

This is the key difference between semi-retire FIRE and full FIRE.

Step 4: Estimate the Investment Portfolio Needed

Many people use a 3–4% withdrawal rate as a rough guideline. See my previous post on this.

Using a conservative 3.5% withdrawal rate:

60 ÷ 0.035 = ~17

This means you need investments worth roughly 17 times your annual expenses.

By comparison, full FIRE often requires 25–33 times expenses.

Semi-Retire FIRE vs Full FIRE: A Quick Comparison

ScenarioPortfolio Needed
Full FIRE25–33× expenses
Semi-Retirement~17× expenses

This difference alone can reduce your timeline by many years.

What About Pensions and Future Income?

Most people don’t need their investments to last forever without support.

Later in life, additional income sources may reduce portfolio withdrawals, such as:

  • Government retirement benefits
  • Workplace or private pensions
  • Reduced living expenses

This layered approach makes semi-retirement more flexible and resilient over time.

Why Semi-Retirement Is More Achievable for Most People

Semi-retirement works because:

  • You don’t need perfect market timing
  • You don’t need extreme savings rates
  • You can adjust income and spending as life changes
  • There are many benefits to still doing some sort of work

Common Mistakes When Estimating Semi-Retirement Numbers

  • Assuming income must stay fixed forever
  • Ignoring future retirement benefits
  • Treating semi-retirement like full FIRE
  • Underestimating lifestyle flexibility

Adaptability is one of the biggest strengths of semi-retire FIRE

Is Semi-Retire FIRE Right for You?

Semi-retire FIRE may suit you if:

  • Full FIRE feels too extreme or distant
  • You value time freedom over complete work exit
  • You’re open to flexible or part-time income

If reclaiming time sooner matters more than a hard retirement date, semi-retirement is worth exploring.

Final Thoughts

So, how much do you need to semi-retire?
For many people, the answer is far less than expected.

By combining investments with flexible income, semi-retire FIRE creates a realistic and sustainable path to financial independence — without putting your life on hold.

Semi-Retire FIRE vs Coast FIRE: What’s the Difference?

As the FIRE (Financial Independence, Retire Early) movement has grown, so have the different paths people take to reach more freedom. One of which you may have heard of is Coast FIRE, but another similar path is the focus of this website Semi-Retire FIRE.

At first glance they can sound similar — both involve stepping away from the traditional full-time grind before normal retirement age. But in practice there are a few differences.

In this post, I’ll explain the difference between Semi-Retire FIRE and Coast FIRE, how each works, and which might be the better fit depending on your goals and lifestyle.

What Is Coast FIRE?

Coast FIRE means you have already saved and invested enough that, if you never added another pound, your investments would still grow to support you at traditional retirement age.

At that point, you can:

  • Stop aggressive saving
  • “Coast” in a lower-stress job
  • Use your income only to cover current living expenses

Key idea:

You are still working in some form, but you no longer need to save for retirement.

What Is Semi-Retire FIRE?

Semi-Retire FIRE is about reducing how much you work by combining investment income with ongoing work income.

Instead of waiting for your portfolio to cover all future expenses, you:

  • Build enough assets to partially support your lifestyle and expenses
  • Work part-time, freelance, or seasonally
  • Use flexible income to top up investment withdrawals

Key idea:

You work less, maybe for longer but with a better work life balance.

Semi-Retirement vs Coast FIRE: A Side-by-Side Comparison

FeatureSemi-Retirement FIRECoast FIRE
Main goalReduce working hoursStop retirement saving
Work requiredPart-time / flexibleFull time then flexible
Investment withdrawalsYes (partial)At full retirement
Lifestyle changeFlexibleDelayed
Time freedomMediumMedium
Best forPeople wanting some time freedom sooner but willing to work part time for longerPeople happy working and saving hard to begin with and then ‘coasting’ to their desired retirement age

The Biggest Difference: Time Freedom vs Financial Momentum

The biggest difference between semi-retire FIRE and Coast FIRE is when you get your freedom.

  • With Coast FIRE, freedom comes later — you reduce financial pressure, but your day-to-day life may look very similar to before.
  • With semi-retirement, freedom can come sooner — for example if you are happy to reduce just one or two days a week working, you may not need such a substantial investment portfolio to make the change.

How Much Do You Need for Each?

Coast FIRE

You need enough invested early for compound growth to do the rest of the work.

This usually requires:

  • High savings in your 20s or 30s
  • A long investment runway
  • Stable employment for many years

Semi-Retire FIRE

You need less invested upfront because you’re not relying on your portfolio alone.

Instead:

  • Investments cover part of your expenses
  • Flexible work covers the rest
  • The total “number” is much lower

This makes semi-retirement more achievable for average earners.

Risk Considerations

Coast FIRE Risks

  • You’re still dependent on full-time work whilst accumulating investments and savings
  • Job loss or burnout can derail plans
  • You don’t reduce lifestyle stress immediately

Semi-Retire FIRE Risks

  • Investment withdrawals introduce sequence-of-returns risk
  • Income may be less predictable
  • Requires flexibility and adaptability

Neither approach is risk-free — they just carry different types of risk.

Which Is Better: Semi-Retire FIRE or Coast FIRE?

There’s no universal answer, but here’s a simple way to decide:

Choose Coast FIRE if:

  • You don’t mind working full-time and saving hard to begin with
  • You have investments and savings but not yet compounded enough to retire completely
  • You value long-term security over immediate freedom

Choose Semi-Retire FIRE if:

  • You feel burnt out by full-time work and would like a better work life balance
  • You have investments and savings but not enough to quit work entirely
  • You’re open to doing part-time or flexible work, possibly until your regular retirement age

Many people also blend the two — reaching Coast FIRE first, then transitioning into semi-retirement later.

For me, though both paths are very similar, semi-retire FIRE felt like a more balanced and realistic approach. It allowed me to reclaim time without waiting decades or sacrificing too much of the present.

That doesn’t make it better for everyone — I’d love to hear what you think.. And if you would like some more inspiration and ideas of how to get started then you can read some more posts here.