The 4% Rule and the 25x Rule: Retirement Planning for College and Professional Athletes
For college athletes earning NIL income and professional athletes receiving contracts, signing bonuses and endorsement revenue, one of the biggest financial opportunities is the ability to earn significant income during a relatively short career.
Athletic careers may last only a few years, but smart saving and investing during those peak earning years can create financial security that lasts much longer. Two useful concepts for thinking about that goal are the 25x Rule and the 4% Rule.
The 25x Rule: Set a Long-Term Target
The 25x Rule gives athletes a simple way to estimate how much they may need invested to support their desired lifestyle after their playing days are over.
The calculation is straightforward:
Expected annual spending × 25 = approximate investment target
For example, if an athlete expects to spend $200,000 per year in retirement, the 25x Rule would suggest a target of approximately $5 million invested.
$200,000 × 25 = $5,000,000
That does not mean every athlete needs $5 million. The point is to connect future lifestyle expectations to a specific financial target and understand how today’s earnings can help fund tomorrow’s independence.
The 4% Rule: Turning a Portfolio Into Income
Once an athlete has built an investment portfolio, the 4% Rule offers another planning guideline.
Under the rule, a retiree may withdraw approximately 4% of the portfolio each year to help cover living expenses.
Using the same example, a $5 million portfolio could potentially support about $200,000 per year in retirement income.
$5,000,000 × 4% = $200,000
Actual results will depend on market performance, taxes, personal circumstances and how spending changes over time. The 4% Rule is a planning starting point, not a guarantee.
Why This Matters for Athletes
For athletes, the biggest advantage may be time.
NIL income earned in college, professional contracts, signing bonuses and endorsement money can create an opportunity to begin investing much earlier than many people do. Consistently directing a portion of those earnings toward long-term investments can allow compound growth to work over decades.
That means the value of an early NIL opportunity is not limited to what the money can buy today. Properly managed, it can become part of the foundation for life after football.
The goal is not simply to earn more. It is to turn a relatively short window of earning power into lasting wealth, financial freedom and opportunities for future generations.