What Happens If You Live to 100?

The goal is to understand the possibilities, identify potential weak points and build flexibility into your financial plan.
Written by
Wealth of Advice
Published on
14 Jul 2026

Most people spend a lot of time thinking about when they can retire. Far fewer spend time thinking about what happens if retirement lasts 30, 40 or even 50 years.

Yet increasing life expectancy means living into your 90s or beyond is becoming more  common. While receiving a card from the King at 100 is certainly something to celebrate, reaching that milestone also raises important financial questions.

Will your money last? What happens if you need care? Who will make decisions on your behalf if you're unable to?

These are the conversations that can help turn a good retirement plan into a great one.

The Risk of Living Too Long

In financial planning, longevity risk is the possibility of living longer than expected and running out of money as a result.

Many people focus heavily on the first few years of retirement. Understandably so. These are often the healthiest and most active years, when people are travelling, pursuing hobbies and enjoying the freedom they've worked hard to achieve.

But retirement isn't just one chapter.

Financial planners often talk about three phases:

  • Go-Go Years – active, adventurous and often the most expensive.
  • Slow-Go Years – spending may reduce as lifestyles become less active.
  • No-Go Years – day-to-day spending can fall further, but new challenges may emerge.

Then there's often a fourth phase that many people overlook:

The Care Years

While general spending may decrease later in life, care needs can create a significant spike in expenditure.

The reality is that retirement spending isn't always a steady downward line. In some cases, care costs can be one of the largest expenses people will ever face.

This doesn't mean everyone should fear long-term care. It simply means it's worth considering as part of a broader financial plan.

Why Planning Beyond Life Expectancy Matters

One of the most common questions advisers hear is:

"Why are we planning to age 100 when average life expectancy is much lower?"

The answer is simple.

Financial planning isn't about the average person.

It's about planning for your circumstances and understanding the risks that could impact your future.

A retirement plan built purely around average life expectancy may work perfectly on paper. The problem is that real life rarely follows averages.

Good planning considers:

  • Living longer than expected
  • Changes in health
  • Inflation over decades
  • The loss of income when a spouse passes away
  • Potential future care costs

You may never need every contingency. But having them considered can provide peace of mind.

The Hidden Impact of Inflation

Inflation is often underestimated because its effect isn't dramatic from year to year.

Over 30 or 40 years, however, it can significantly erode spending power.

A retirement income that feels comfortable today may not go nearly as far in three decades' time.

This is one reason why being overly cautious with investments can sometimes create risks of its own.

While retirement naturally requires careful management of investment risk, many retirees still have long investment horizons. Some of their pension funds may need to keep growing for decades to help maintain purchasing power.

Finding the right balance between security and growth is key.

Are You Balancing Spending and Sustainability?

Many retirees are familiar with the idea of "Die With Zero" – the philosophy that money should be used to enhance life rather than simply accumulated.

There's certainly value in that mindset - no one wants to spend years unnecessarily restricting themselves.

However, there is another question worth asking:

Can you spend too much, too soon?

The goal isn't to die with the largest pension pot, and equally, it's not necessarily to die with nothing.

A successful retirement plan aims to strike a balance between:

  • Enjoying life today
  • Maintaining flexibility tomorrow
  • Preserving options for future care needs
  • Leaving a legacy if that's important to you

One helpful approach is to categorise spending into:

Essential Spending

The costs that keep life running comfortably.

Examples include:

  • Household bills
  • Food
  • Insurance
  • Core hobbies and activities

Lifestyle Spending

The extras that make retirement enjoyable.

Examples include:

  • Holidays
  • Days out
  • Entertainment

Legacy Spending

Money intended for gifting or inheritance planning.

By understanding these categories, it becomes easier to make informed decisions about spending, investing and gifting.

The Reality of Care Costs

Care fees are often one of the biggest concerns people have in later life.

Unfortunately, there are many misconceptions.

For many families, care planning involves considering:

  • Existing income sources
  • Savings and investments
  • Property assets
  • Potential benefits and allowances
  • Family support arrangements

It's also important to recognise that residential care isn't always the only option.

Many people remain in their own homes for longer through:

  • Home adaptations
  • Mobility equipment
  • Professional carers visiting at home
  • Support from family members

The best solution will depend on individual circumstances, health requirements and personal preferences.

Be Careful With Last-Minute Asset Transfers

Some families consider gifting property or transferring assets to avoid future care fees.

However, this area is far from straightforward.

Local authorities can investigate what is known as deprivation of assets if they believe assets were deliberately given away to reduce care fee liabilities.

This is why early planning is typically far more effective than reactive planning.

Decisions made years in advance for legitimate estate planning reasons are very different from transfers made immediately before care becomes necessary.

Professional advice is essential in this area.

An Option Many People Don't Know Exists

One lesser-known solution is an Immediate Needs Annuity.

This type of annuity can be purchased when someone enters care and can provide a guaranteed income specifically to meet care costs for the remainder of their life.

Benefits can include:

  • Certainty around future care funding
  • Protection against unexpectedly long periods in care
  • Potential preservation of other family assets

While it isn't suitable for everyone, it's an option that many people are unaware exists.

Planning Isn't Just About Money

Financial planning in later life isn't only about pensions, investments and care fees.

It's also about ensuring the right people can make decisions if you're unable to.

This is where a Lasting Power of Attorney (LPA) becomes incredibly important.

An LPA allows trusted individuals to help manage financial and legal matters should you lose capacity.

Alongside this, having key information documented can save loved ones significant stress later on.

Simple things such as:

  • Keeping records of your assets
  • Listing important accounts
  • Storing passwords securely
  • Documenting your wishes

can make an enormous difference to family members during difficult times.

The Value of Thinking Ahead

No one knows exactly what retirement will look like in 10, 20 or 40 years.

The goal isn't to predict the future perfectly.

The goal is to understand the possibilities, identify potential weak points and build flexibility into your financial plan.

Whether you're approaching retirement, recently retired or already enjoying later life, asking the right questions today could help protect both your finances and your loved ones tomorrow.

After all, living to 100 might be a great problem to have. The real challenge is making sure your financial plan is ready if you do.

Have a Question?

If you'd like to discuss your retirement plans, care funding concerns or long-term financial security, get in touch with the Wealth of Advice team. We're here to help you build a plan that works not just for the next few years, but for the decades ahead.

Book a free initial consultation today and discover whether professional financial planning could help you retire with more confidence.

📞 0191 384 1008

📧 retirewell@wealthofadvice.co.uk

You can also join our next live Retire Well Q&A session or explore our growing library of retirement planning articles and podcast episodes.

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