draft 5 mins | July 30, 2026 | By Ben Horan

How Much Do You Need to Retire? Why The 4% Rule Is Only a Starting Point

How Much Do You Need to Retire? Why The 4% Rule Is Only a Starting Point

The 4% rule is a helpful starting point as you prepare for retirement. But having confidence in whether you are truly ready to retire requires a much broader look at income, taxes, spending, markets, and family goals.

KEY TAKEAWAY

A simple starting point to estimate how much you need to retire is to multiply the annual spending by 25. The result is not a retirement plan because CPP, OAS, pensions, taxes, market conditions, longevity risks and future lifestyle goals can materially change the answer, but it is a great start before you dig deeper.

For many Canadians approaching retirement, one of the hardest questions is also one of the most basic:

How much money do I need to retire? When can I retire? And will I be okay?

A common rule of thumb is the 4% rule.

It is simple. The 4% rule gives people a starting point. It helps create a mental framework for understanding how much income your savings may be able to generate in retirement. The rule is backed by data, which can help build confidence.

What Is the 4% Rule?

The 4% Rule is a retirement income guideline developed by financial planner William Bengen in 1994. It suggests that a retiree can withdraw 4% of their portfolio in the first year of retirement, then increase that dollar amount annually for inflation, with a high probability that their savings will last at least 30 years.

How Much Might You Need to Retire?

I also like the 4% rule as a framework because it encourages clients to start thinking more seriously about retirement. The inverse of the rule can provide useful guidance on how much you may need to save to maintain your lifestyle. To oversimplify, you can multiply your annual spending by 25 to get a high-level estimate of the savings required to retire.

For example, if you spend $120,000 annually, you may need approximately $3 million. If you spend $160,000, you may need approximately $4 million. If you spend $200,000, you may need approximately $5 million.

The simplicity is helpful because it turns your spending today into a high-level retirement goal. For many of us, creating a vision for retirement can be difficult. We are busy building careers, businesses, and families. But understanding how your future ambitions, such as a vacation home, golf club membership, or month-long annual vacations, may impact your retirement requirements is an important place to start.

However, the 4% rule is not a retirement plan.

The 4% rule does not tell you:

  • how to respond after a market decline
  • which account to draw from first
  • how to build a resilient diversified portfolio
  • whether your savings can support a surviving spouse or help pay for future care needs
  • impact of taxes on your retirement income
  • when to start CPP or OAS
  • whether you can renovate your home or buy a cottage
  • how or if you can handle longevity risk
  • whether you can help your children
  • how much you can give to charity
  • what actions to take to mitigate sequencing risks

These are the real considerations that can have a meaningful impact on the success of your retirement plan and income needs.

The Five Questions a Retirement Plan Must Answer

At Orchard View Financial of CI Assante Wealth Management Ltd., retirement readiness begins by moving beyond a single withdrawal rate and answering five connected questions:

1 Lifestyle

What do you want your money to make possible? Start with the life you want to live, including regular spending, travel, housing, recreation and major one-time goals.

 

2 Income

Which expenses can be supported by CPP, OAS, employer pensions and other dependable income and how much must come from your investments?

 

3 Tax

Which accounts should fund your spending, in what order and at what time? RRSPs, RRIFs, TFSAs, non-registered investments and corporate assets do not produce the same after-tax result.

 

4 Resilience

What happens if markets decline early in retirement, inflation remains high, you live longer than expected or spending changes? A plan should be tested against difficult scenarios, not only average assumptions.

 

5 Family

What must remain for a spouse, future care, children, charitable giving or an estate? Your retirement plan should reflect the people and priorities that matter to you.

 

Truly understanding how much you need to retire, and whether you will be okay, requires real thinking and planning.

Taking the first step feels uncomfortable. But as I often joke, it is only a problem if you admit it, and the first step is admitting it.

So, take the leap.

Start dreaming and begin building a vision for what you ultimately want your money to do. We help families turn that vision into a practical, sustainable plan by modelling different scenarios, identifying key risks, and helping them understand what may be possible so that they can retire with greater confidence.

The earlier you start thinking about retirement and what you actually want your money to do, the better prepared, more aware, and more confident you can become in the sustainability of your lifestyle and income.

Remember retirement readiness begins with a plan.

So, let’s build your plan.

The best day was yesterday, and the next best day is tomorrow.

Sources and further reading

Important: This article is for general information only and does not constitute investment, tax, legal or financial advice. The examples are simplified illustrations, not forecasts or guarantees. Retirement planning should reflect your individual circumstances and should be reviewed with appropriate professional advisers.

Ben Horan
About the Author

Ben Horan

Financial Advisor
Ben Horan is a Financial Advisor, with a B.A. in Economics, who works closely with families to bring clarity to important financial decisions that often come with building, growing, and preserving wealth. Ben takes a goal-oriented approach that starts with listening. Helping clients define what matters most, coordinating the moving parts of their financial lives, and building a clear achievable plan that can evolve as life changes.