Written by Alex Seleznev, MBA, CFP®, CFA | Nov 29, 2023
The 4% rule is a quick tool for estimating retirement income, and many of you are likely familiar with it, as it has been around since 1994.
As an example, if you’ve saved $1,000,000, you should expect to have $40,000 each year from your portfolio for 30 years, adjusted for inflation.
Even though it’s tempting, this shortcut shouldn’t be used for planning purposes. Below are the reasons why.
#1. The 4% rule has evolved; its creator revised it to the 4.7% rule in response to increased returns from additional asset classes, particularly small-cap stocks.
#2. Accounting for investment fees and taxes, the 4% rule may potentially reduce your retirement income due to these expenses.
#3. Initially suggesting a stock allocation between 50% and 75%, the 4% rule was refined in 1996 to an optimal allocation of 63%.
#4. Your asset allocation plays a crucial role in determining your withdrawal amounts, transitioning from a two-asset solution to include cash, international stocks, and domestic small-cap stocks.
#5. Applicable to a 30-year retirement period, the rule may prove inadequate if your retirement extends beyond that duration.
#6. While the rule assumes consistent spending throughout retirement, real-life expenditures often fluctuate. Early retirement years may incur higher expenses, while later years may see lower costs, despite medical expenses.
#7. The success of the 4% rule varies based on your retirement year, with outcomes affected by the sequence of returns risk. Proactive planning and strategic approaches can help mitigate this risk.
In short, the 4% (or 4.7%) rule is a quick way to estimate your portfolio income. It shouldn’t be used in lieu of a comprehensive financial plan, though.