Introduction

The Freedom Years

17 references 15 min read

“Money is something we choose to trade our life energy for.” — Vicki Robin (Robin, n.d.)

An invitation

Imagine waking on an ordinary Tuesday with nowhere you must be. No commute, no inbox demanding attention before the kettle has boiled, no meeting booked by somebody else. The day is yours: to walk the dog along the river, to finally learn the cello, to spend the afternoon with a grandchild, to volunteer at the food bank, to start the business you have sketched in notebooks for twenty years, or simply to sit in the garden and read.

For generations that kind of Tuesday arrived, if it arrived at all, at the end of a long working life, often accompanied by a carriage clock and a sense that the best years were behind you. This book is about a different possibility: that for a growing number of people, the years of freedom can come earlier, last longer and be richer than the old script allowed.

The Freedom Years explores how stepping back from full-time paid work before the traditional age can enrich a life. It gathers research from medicine, psychology, economics and sociology, and sets it alongside the stories of real people who have publicly shared how they have used their time. Its purpose is to inspire, but also to inform. We want you to finish each chapter feeling both more hopeful and better equipped, and we will be honest throughout about what the evidence can and cannot tell us.

What do we mean by “early retirement”?

“Retirement” is a slippery word. In everyday conversation it can mean leaving a job for good, reaching the age when a state pension is paid, drawing on a workplace pension, or simply no longer needing to work for money. In this book we use “early retirement” broadly, to mean stepping back from full-time paid work, by choice, before reaching State Pension age.

In the United Kingdom, State Pension age is the key reference point. GOV.UK is clear that you cannot bring it forward: “The earliest you can get your State Pension is when you reach your State Pension age” (GOV.UK, n.d.a). According to the Department for Work and Pensions, the current legislated timetable is for State Pension age to rise to 67 between 2026 and 2028, and to 68 between 2044 and 2046, and the age is subject to periodic review: in 2025 the Department published a call for evidence for its third review (Department for Work and Pensions, 2025). Anyone who stops work before that age is, in the sense used here, retiring early, and must fund those years from other sources.

Private and workplace pensions have their own rules. GOV.UK explains that when you can take money from a pension pot depends on your scheme’s rules, “but it’s usually after you’re 55” (GOV.UK, n.d.b). HM Revenue & Customs has legislated to raise this normal minimum pension age from 55 to 57 in April 2028, with some protections for existing scheme members (HM Revenue & Customs, 2021). These dates matter to anyone planning an early exit from work, and because they change they should always be checked against current official guidance.

Early retirement is also rarely a single, clean break. Many people choose phased or partial retirement: reducing hours, moving to consultancy or seasonal work, taking a less demanding “bridge job”, or alternating stretches of work and rest. The boundary between working and retired is porous. When the Office for National Statistics surveyed adults aged 50 to 65 in Great Britain who had left work since the start of the coronavirus pandemic, 36% said they had left to retire, yet 58% said they had considered returning to work (Office for National Statistics, 2022). Research from the United States suggests that the shape of the transition may matter less than the sense of choice: a study using the Health and Retirement Study found that what mattered for retirees’ happiness was not whether they phased out gradually or stopped “cold turkey”, but whether they perceived the move as chosen or forced (Calvo, Haverstick and Sass, 2009).

So when this book speaks of early retirement, it includes the fifty-two-year-old who leaves the office for good, the fifty-eight-year-old who drops to three days a week to care for a parent and paint, and the forty-year-old who has built enough savings to make paid work optional and now takes on only the projects she loves. What unites them is time reclaimed, by choice.

A short history of a big idea

Your money or your life

The modern early retirement movement has many roots, but one book stands near the base of the family tree. In 1992 Vicki Robin and Joe Dominguez published Your Money or Your Life, a nine-step programme for transforming one’s relationship with money and achieving financial independence (Robin and Dominguez, 1992). Its central insight was deceptively simple. Robin summarises it on her own website: “Money is something we choose to trade our life energy for” (Robin, n.d.). If every pound represents hours of your finite life, then every purchase is a choice about how to spend that life.

The book’s practical method asks readers to track spending honestly, ask whether each expense brings fulfilment in proportion to the life energy it cost, and invest the difference. Over time, income from investments grows until it meets monthly expenses: a moment the book calls the “Crossover Point”, at which, in Robin’s words, “you will be financially independent” (Robin, n.d.). Decades later, a revised edition of the book carries a foreword by Mr Money Mustache, one of the most influential voices of the next generation (Penguin Random House, n.d.). The lineage is direct.

Early Retirement Extreme

In 2007 an astrophysicist named Jacob Lund Fisker founded a blog called Early Retirement Extreme (Fisker, 2019). Describing himself as “a theoretical physicist by training”, Fisker set out what he called “a philosophical alternative to consumerism” through more than a thousand blog posts and a book (Fisker, 2019). The book, Early Retirement Extreme: A Philosophical and Practical Guide to Financial Independence, was published in 2010 (Fisker, 2010).

Fisker’s approach was radical in its frugality. Writing in 2019, he reported that his own spending had “remained around the $7000 per year mark for almost twenty years” (Fisker, 2019). But what makes his reflections valuable for this book is less the arithmetic than the philosophy. Looking back on a decade of freedom, he offered a prescription for a good job-free life: find activities that combine meaning and fun, theory and practice. “In the long run,” he added, “meaning is more important than fun though!” (Fisker, 2019). That theme, that freedom is best used for something, runs through every chapter that follows.

Mr Money Mustache

If Fisker gave the movement a philosophy, Pete Adeney gave it a megaphone. A former software engineer, Adeney left the workforce in 2005 at the age of 30 (Bortz, 2024). In April 2011 he started a blog under the name Mr Money Mustache, opening his first post with the question: “What do you mean you retired at 30?” (Adeney, 2011). The blog promised to talk about money “and the freedom it can give you” (Adeney, 2011), and it did so with humour, irreverence and a determination to help readers off what he called the “debt-powered treadmill” (Adeney, 2011).

Asked by AARP in 2024 how he had retired so young, Adeney said: “I did it almost accidentally, through a natural engineer-style love of efficiency and an interest in finance and investing” (Bortz, 2024). Asked how he had spent the intervening years, he answered: “In three words: Raising a boy!” (Bortz, 2024). It is a telling reply. For Adeney, as for many in this book, the prize of financial freedom was not idleness but presence: time with the people who matter most.

By then the broader movement had acquired a name: FIRE, for Financial Independence, Retire Early (Bortz, 2024). Today it lives in blogs, books, podcasts and online communities, and in countless variations, from very frugal versions to those that blend investment income with part-time work.

The 4% rule

Every movement needs a rule of thumb, and FIRE’s best known came from an unlikely source: a financial planner in California writing for his fellow professionals. In 1994 William Bengen published “Determining withdrawal rates using historical data” in the Journal of Financial Planning (Bengen, 1994). Using historical US market returns, he asked how much a retiree could withdraw each year, increasing the amount with inflation, without running out of money.

His answer became famous. Assuming a portfolio needed to last at least 30 years, Bengen found that a first-year withdrawal of 4 per cent, followed by inflation-adjusted withdrawals, “should be safe”, and that in no past case had it exhausted a portfolio in less than 33 years (Bengen, 1994). He also warned that “an initial five-percent withdrawal rate is risky; six percent or more is ‘gambling’” (Bengen, 1994).

Four years later, three finance professors at Trinity University in Texas, Philip Cooley, Carl Hubbard and Daniel Walz, tested a range of withdrawal rates, payout periods and mixes of shares and bonds against US returns from 1926 to 1995 (Cooley, Hubbard and Walz, 1998). What became known as the “Trinity study” found that, even with withdrawals adjusted for inflation, rates of 3 to 4 per cent continued to produce high success rates for portfolios weighted towards shares (Cooley, Hubbard and Walz, 1998).

Two cautions matter enormously for anyone considering early retirement. First, both studies drew on US market history; past returns in one country are no guarantee of future returns anywhere. Second, both were designed around retirements of about 30 years. Retiring at 45 might mean a portfolio has to last 45 or 50 years. The Trinity authors were explicit: “Early retirees who anticipate long payout periods should plan on lower withdrawal rates” (Cooley, Hubbard and Walz, 1998, p. 21). The 4% rule is a useful starting point for conversation, not a promise.

Why retirement is being reimagined

We are living longer

Perhaps the most powerful reason to rethink retirement is that there is more life to rethink. According to the Office for National Statistics, people aged 65 in the UK in 2023 can expect, on average, to live a further 19.8 years (males) and 22.5 years (females), based on cohort projections (Office for National Statistics, 2025). The same release projects that 11.5% of boys and 17.9% of girls born in 2023 will live to at least 100 (Office for National Statistics, 2025).

The Department for Work and Pensions reports that male life expectancy at age 66 is projected to be 19.2 years in 2025, up 5.9 years since 1981, and female life expectancy at 66 is projected to be 21.8 years, up 4.6 years over the same period (Department for Work and Pensions, 2025). These are averages, and they hide wide differences by health, wealth and region, but the direction of travel is clear. The years after full-time work are no longer a brief coda. For many, they are a whole new act.

The end of the three-stage life

In The 100-Year Life, the London Business School professors Lynda Gratton and Andrew Scott argue that the traditional three-stage approach to life (education, then work, then retirement) is collapsing under the weight of longer lives and changing economies (Gratton and Scott, 2016). In its place they describe multi-stage lives, with several careers, periods of exploration and renewal, and transitions throughout adulthood. They stress that a longer life should be a fulfilling one, not merely a longer working one, and that health, relationships and the capacity to navigate transitions are assets as important as money (Gratton and Scott, 2016).

Early retirement, seen through this lens, is not the end of productive life but one of its possible stages: a chosen pause, a pivot, a turning towards things that matter. Some people will retire early and never return to paid work. Others will step away for a few years, then return in a new form, with fresh energy and purpose. Both are ways of living a multi-stage life.

Freedom is not only for the few

It would be dishonest to pretend that early retirement is open to everyone. Many people cannot afford to stop work early; others leave work involuntarily because of ill health, redundancy or caring responsibilities, and experience it as loss rather than liberation. Chapter 11 looks squarely at this evidence. But the lessons of the freedom years apply more widely than the headline suggests. The practices that make early retirement flourish (building friendships, protecting health, nurturing curiosity, finding purpose) can be cultivated at any age, in or out of work. Even if full early retirement is not for you, a slightly earlier step back, a sabbatical, or a phased reduction in hours may be within reach, and the chapters that follow will help you make the most of whatever freedom you can claim.

How this book is organised

The Freedom Years is built around ten benefits that early retirement can bring. Each has its own chapter, and each chapter follows the same pattern: what the research tells us; the lives of real people who have publicly shared their experience; a balanced view of the limits and counter-evidence; practical ideas; and questions for reflection.

  1. Physical health. Time to move, sleep, cook and care for the body that carries you.
  2. Mental wellbeing, rest and stress. Release from chronic work pressure, and space for the mind to recover.
  3. Time freedom and autonomy. Owning your days, and the deep satisfaction of choosing how to spend them.
  4. Family bonds. Being present for partners, children, grandchildren and ageing parents.
  5. Friendship and community. Rebuilding the social ties that work once supplied, and discovering new ones.
  6. Purpose and giving back. Volunteering, mentoring, activism and the many ways of mattering to others.
  7. Lifelong learning. The joy of studying for its own sake, from languages to degrees.
  8. Travel and adventure. Slow travel, long journeys and the courage to try something new.
  9. Creativity and passion projects. Making art, music, gardens, furniture or anything else you have longed to make.
  10. Reinvention and encore careers. Starting a business, changing field or working on your own terms.

A closing chapter, Chapter 11: Reading the Evidence Honestly, draws the threads together. It asks what makes early retirement go well, and what makes it go badly, looking at the role of choice, the emotional phases of adjustment, the risk of losing one’s sense of identity, the cognitive “use it or lose it” debate, mixed evidence on mortality, and the foundational importance of financial security. It ends with a reflection on how you might make your own freedom years as rich as possible.

You can read the book straight through, or dip into whichever chapter speaks to you today. The chapters are designed to stand alone, but they also talk to one another: time freedom makes room for family; friendship supports mental wellbeing; learning feeds creativity; purpose gives shape to all of it.

A living book

This is not a finished book, and it never will be. We call it a living book because it is designed to grow.

Research on retirement, ageing and wellbeing is advancing quickly. Large long-running studies, such as the English Longitudinal Study of Ageing, the Whitehall II study of British civil servants, the US Health and Retirement Study and the Survey of Health, Ageing and Retirement in Europe, publish new findings every year. Policy changes too: State Pension age, pension access rules and tax regimes are all periodically reviewed. And every month more people share their stories through blogs, books, podcasts and interviews.

So each chapter contains a marked space where new stories can be added, and each reference list will be revised as new evidence appears. When findings change, we will change the text, and we will say so. If a claim in an earlier edition turns out to have been overstated, we would rather correct it than defend it. We hope that readers will help: by pointing us to new research, by flagging errors, and by suggesting publicly documented stories that deserve a place.

Three principles govern how the book grows:

  • Every source is checked. We only cite work that has been located and read. We do not invent statistics, quotations or page numbers, and if we cannot verify something we leave it out.
  • Stories are real and public. Every real-life example concerns a person who has shared their experience publicly, in their own words or in a published interview, and is cited so you can read it for yourself.
  • Evidence is reported honestly. Where research is mixed, we say so. Where studies are small, or from another country, or cannot prove cause and effect, we say that too. Each chapter includes “A balanced view” for exactly this reason.

Important: this is not financial advice

This book is about the life side of early retirement, not the money side. Where we mention pensions, withdrawal rates, investment returns or tax rules, we do so to explain context and history, not to recommend any course of action.

Nothing in this book is financial, investment, tax, legal or medical advice. Everyone’s circumstances are different. Pension rules, State Pension age and tax regimes change, and historical investment returns do not guarantee future results. Before making any decision about when to stop work, how to access pensions or how to invest, please seek guidance from qualified, regulated professionals and from official sources, such as GOV.UK and the free, impartial government-backed services available in the UK.

What we can promise is this: whatever your finances allow, the research gathered here will help you think more clearly about what makes the freedom years flourish.

Before you begin

As you read, you might keep three questions in mind.

  • What would you retire to? Not what you want to escape, but what you want to move towards.
  • Who will you share your freedom with? The people, communities and causes that will give your days their warmth.
  • What would a good day look like? Not a holiday, but an ordinary Tuesday, ten years from now.

The freedom years are not a reward for surviving work. They are an opportunity to live more deliberately, more generously and more joyfully than a busy working life often allows. Let us begin.

References

Adeney, P. (2011) Meet Mr. Money Mustache. Available at: https://www.mrmoneymustache.com/2011/04/06/meet-mr-money-mustache/ (Accessed: 26 September 2026).

Bengen, W.P. (1994) ‘Determining withdrawal rates using historical data’, Journal of Financial Planning, 7(4), pp. 171–180. Available at: https://www.financialplanningassociation.org/sites/default/files/2021-04/MAR04%20Determining%20Withdrawal%20Rates%20Using%20Historical%20Data.pdf (Accessed: 26 September 2026).

Bortz, D. (2024) ‘Meet Peter Adeney, the man that retired at 30’, AARP, 17 October. Available at: https://www.aarp.org/money/personal-finance/mr-money-mustache-interview/ (Accessed: 26 September 2026).

Calvo, E., Haverstick, K. and Sass, S.A. (2009) ‘Gradual retirement, sense of control, and retirees’ happiness’, Research on Aging, 31(1), pp. 112–135. Available at: https://doi.org/10.1177/0164027508324704 (Accessed: 26 September 2026).

Cooley, P.L., Hubbard, C.M. and Walz, D.T. (1998) ‘Retirement savings: choosing a withdrawal rate that is sustainable’, AAII Journal, February, pp. 16–21. Available at: https://www.aaii.com/journal/199802/feature.pdf (Accessed: 26 September 2026).

Department for Work and Pensions (2025) Third State Pension age review: independent report call for evidence. London: Department for Work and Pensions. Available at: https://www.gov.uk/government/calls-for-evidence/third-state-pension-age-review-independent-report-call-for-evidence/third-state-pension-age-review-independent-report-call-for-evidence (Accessed: 26 September 2026).

Fisker, J.L. (2010) Early retirement extreme: a philosophical and practical guide to financial independence. [s.l.]: CreateSpace Independent Publishing Platform.

Fisker, J.L. (2019) What happened to Early Retirement Extreme? An update from Jacob Lund Fisker. Available at: https://www.getrichslowly.org/early-retirement-extreme/ (Accessed: 26 September 2026).

GOV.UK (n.d.a) Early retirement, your pension and benefits: State Pension. Available at: https://www.gov.uk/early-retirement-pension (Accessed: 26 September 2026).

GOV.UK (n.d.b) Early retirement, your pension and benefits: personal and workplace pensions. Available at: https://www.gov.uk/early-retirement-pension/personal-and-workplace-pensions (Accessed: 26 September 2026).

Gratton, L. and Scott, A. (2016) The 100-year life: living and working in an age of longevity. London: Bloomsbury Information.

HM Revenue & Customs (2021) Increasing normal minimum pension age. Available at: https://www.gov.uk/government/publications/increasing-normal-minimum-pension-age/increasing-normal-minimum-pension-age (Accessed: 26 September 2026).

Office for National Statistics (2022) Reasons for workers aged over 50 years leaving employment since the start of the coronavirus pandemic: wave 2. Available at: https://www.ons.gov.uk/employmentandlabourmarket/peopleinwork/employmentandemployeetypes/articles/reasonsforworkersagedover50yearsleavingemploymentsincethestartofthecoronaviruspandemic/wave2 (Accessed: 26 September 2026).

Office for National Statistics (2025) Past and projected period and cohort life tables: 2022-based, UK, 1981 to 2072. Available at: https://www.ons.gov.uk/peoplepopulationandcommunity/birthsdeathsandmarriages/lifeexpectancies/bulletins/pastandprojecteddatafromtheperiodandcohortlifetables/2022baseduk1981to2072 (Accessed: 26 September 2026).

Penguin Random House (n.d.) Your money or your life by Vicki Robin and Joe Dominguez, foreword by Mr. Money Mustache. Available at: https://www.penguinrandomhouse.com/books/303637/your-money-or-your-life-by-vicki-robin-and-joe-dominguez-foreword-by-mr-money-mustache/ (Accessed: 26 September 2026).

Robin, V. (n.d.) Your money or your life summary. Available at: https://vickirobin.com/your-money-or-your-life-summary/ (Accessed: 26 September 2026).

Robin, V. and Dominguez, J. (1992) Your money or your life: transforming your relationship with money and achieving financial independence. New York: Viking.