RETIREMENT WORK AND ITS EFFECT ON RETIREMENT

This blog started as an update on working during retirement. I quit full-time work over 10 years ago and have since worked on a limited basis. 

I previously covered the basic principles of part-time work after Retirement in several blogs. For more information on the basics and benefits of part-time work after retirement see TRANSITIONING AWAY FROM FULL-TIME WORK: FINDING THE RIGHT BALANCE, THE GREAT DEPARTURE: CHOOSING BETWEEN SWIFT OR GRADUAL RETIREMENT, and A DECADE BEYOND THE CUBICLE: REFLECTIONS ON LIFE POST FULL-TIME WORK. So, I felt like I didn’t need to write another blog about the benefits of working part-time after leaving full-time work. But I also know there is a lot of misunderstanding about the benefits of working and the mathematical benefits of work-related income.

In this blog, I’ll attempt to explain the financial benefit that part-time work provides and how that benefit relates to retirement savings.

Part-time work provides many benefits in addition to the income it provides. For many people, part-time work provides daily structure, social interaction, a sense of relevance, and a way to fill a now-empty calendar.

On the income side, I did not initially realize the importance of those extra dollars generated through part-time work. The basic concept is that each dollar earned equals $25 less needed in savings. This formula is derived using the 4% rule in reverse.

Now that this basic concept has been outlined, let’s examine and simplify it to make it more understandable. 

What is the 4% Rule? 

The 4% rule is a basic retirement principle that states that 4% of money invested in a 60/40 portfolio can be withdrawn annually without totally depleting the portfolio over 30 years. 

When utilizing the 4% rule, money is invested in a 60/40 portfolio where 60% of the portfolio funds are invested in an S&P 500 fund and 40% of the funds are invested in a Total Return Bond fund. 

There are an infinite number of portfolio ratio variations, but the research on which the 4% rule was based used the 60/40 portfolio outlined above. Using this research, a retiree with a $500,000 portfolio could withdraw $20,000 annually (4% X $500,000= $20,000.) 

It should be noted here that every year after the initial year, the annual amount is adjusted for inflation. If in year one inflation averaged 3%, then in year two the amount withdrawn would total $20,600 ($20,000 X 1.03 = $20,600.) 

It should also be noted that simple math would indicate there would be a shortfall well before year 30. Taking a $20,000 withdrawal for 30 years would equal $600,000. A $500,000 portfolio would only last 25 years ($20,000 X 25 years = $500,000 with no adjustments for inflation.) 

The 30-year timeframe becomes possible because the 60/40 portfolio has traditionally outpaced inflation and grown over the 30 years. This growth allows the portfolio to continue past the 25-year depletion period.

Financial advisors use a variation of the 4% rule to provide their clients with a rough estimate of the amount of dollars needed for retirement. These advisors reverse the 4% rule (using the fact that 4% equals 1/25 of a portfolio) and advise clients that they will need 25 times their highest earned income to provide the annual 4% withdrawal. 

Using our same example. A person with an annual income of $20,000 would require $500,000 ($20,000 X 25 = $500,000) in retirement funds to implement the 4% rule based on guidelines. This same $500,000, as we just outlined, would provide an annual income of $20,000 using the 4% rule. 

Each principle is the reverse of the other principle. What makes this concept important, and what I want to emphasize is each dollar generated through work-related income, passive income from real estate holdings, pension income or annuity income equals $25 less required in retirement savings. 

In this illustration, a person receiving $1000 per month from any of the sources outlined above would have to have $300,000 saved ($1,000 X 12 months = $12,000. $12,000 X 25 = $300,000) to generate the same $12,000 annual income using the 4% rule.

When I retired from full-time dental practice, I felt I was adequately prepared for retirement and was financially independent. I currently continue working on a part-time basis. There are many reasons why I continued to work, but needing the extra dollars was not one of my primary reasons. After starting part-time work, I realized the importance of these surplus dollars in decreasing the burn rate and pressure on my retirement portfolio. Having work-related income before claiming Social Security benefits allowed my portfolio to remain virtually intact. The bull market returns of the last years have increased my Net Worth.

Why is This Important? 

For retirees who are overfunded (more money than needed) and constrained (adequate money), additional income can act as a buffer to reduce stress and depletion of a retirement portfolio.

For retirees who are underfunded, and have less money than necessary, the unfortunate reality is they will need to continue working to satisfy the shortfall due to a lack of adequate savings. For this group, the decision to continue working, full-time or part-time, may be more of a necessity than an option.

In both cases, the fact remains that every dollar of income generated equals $25 less in savings required.

Final Thoughts

  • Many people continue to work part-time after retiring from full-time work.
  • There are many reasons to work part-time after retiring from full-time work, and many are non-financial.
  • The dollars generated through retirement income can ease the strain on retirement savings.
  • For underfunded retirees, work-related income (either full-time or part-time work) will help to plug the gaps in less than optimal retirement funding.
  • Each dollar of income generated equals $25 less needed in retirement savings. These dollars can play a critical part in providing the retirement needs for many people who have not adequately saved.

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