Should the 45% Rule Guide Your Retirement Strategy? (2024)

Financial services giant Fidelity has a rule for retirement savings you may have heard of: Have 10 times your annual salary saved for retirement by age 67. This oft-cited guideline can help you identify a retirement savings goal, but it doesn’t fully account for how much of those savings will cover in retirement. Enter Fidelity’s 45% rule, which states that your retirement savings should generate about 45% of your pretax, pre-retirement income each year, with Social Security benefits covering the rest of your spending needs.

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The financial services firm analyzed spending data for working people between 50 and 65 years old and found that most retirees need to replace between 55% and 80% of their pre-retirement income in order to preserve their current lifestyle. Because retirees have lower day-to-day expenses and don’t typically contribute to retirement accounts, their income requirements are lower than people who are still working.

As a result, a retiree who was earning $100,000 a year would need between $55,000 and $80,000 per year in Social Security benefits and savings withdrawals (including pension benefits) to continue their current lifestyle.

Fidelity’s 45% guideline dictates that a retiree’s nest egg should be large enough to replace 45% of their pre-retirement, pretax income each year. Following this rule, the same retiree who was earning $100,000 per year would need enough saved up to spend $45,000 a year, in addition to his Social Security benefits, to fund his lifestyle. Assuming the person lives another 25 years after reaching retirement age, this person would need $1.125 million in savings.

Pre-Retirement Income Plays an Important Role

But all retirement spending plans aren’t equal. Those who earned less money during their careers will have less saved than high earners, and as a result, will need to replace a larger proportion of their pre-retirement income.

“Your salary plays a big role in determining what percentage of your income you will need to replace in retirement,” Fidelity wrote in its most recent Viewpoints. “People with higher incomes tend to spend a small portion of their income during their working years, and that means a lower income replacement goal in percentage terms to maintain their lifestyle in retirement.”

According to Fidelity, a person who makes $50,000 per year would need savings and Social Security to replace approximately 80% of his income in retirement. An individual earning $200,000, however, could get by in retirement by replacing just 60%.

Social Security plays a less significant role in the retirement plans of higher-earning workers. Consider the table below:

Replacing Income Using Fidelity’s 45% Rule

According to Fidelity, a retiree who made $50,000 per year would receive 35% of that income via Social Security. But a high-earning individual who made $300,000 per year would only see 11% of his income replaced by Social Security benefits. While higher-earning individuals don’t need to replace as much of their pre-retirement income, retirement savings plays a more important role for these types of retirees.

Bottom Line

Fidelity’s 10x rule of thumb is a nifty guideline to follow as you save for retirement over the course of many decades. But when retirement arrives, Fidelity recommends that your savings should cover 45% of your income needs, with Social Security covering the rest. As a result, the average retiree will need to replace between 55% and 80% of his pre-retirement, pretax income to maintain his current lifestyle.

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