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Treasuries

Investing $1.6 Million in Treasuries: A Cautionary Tale

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  • 4 min read

Exploring the long-term implications of investing in Treasuries at a fixed rate against rising inflation.

When considering a retirement plan involving $1.6 million in Treasuries with a fixed 5% return, it's essential to evaluate the enduring impact of inflation on purchasing power.

The Inflation Challenge

Over a 25-year stretch, assuming a 3% annual inflation rate, the $1.6 million would retain its face value but effectively only provide the purchasing power of today’s $764,000. Although the principal amount remains static, the real value diminishes significantly over time, potentially halving its effectiveness.

Recent inflation rates indicate that a 3% estimate may be conservative. For instance, in the past year, the Consumer Price Index (CPI) rose by 4%, with the Core Personal Consumption Expenditures (PCE) index also increasing by 3%. Specifically, the inflation rate for Americans aged 62 and above was recorded at 4%, favoring housing and healthcare costs in its calculations. This suggests that by 2051, an annual income of $83,000 would only equate to the purchasing power of about $34,000.

Tax Considerations

Taxes are a lesser concern compared to inflation for this investment strategy. While state income taxes do not apply to Treasury interest, the federal government does tax this income fully. For retirement accounts like IRAs, any withdrawals are counted as gross income under specific tax regulations. For a married couple filing jointly, the standard deduction in 2026 stands at $32,200, with federal income tax burden remaining relatively low at this level.

Two Alternative Strategies for Maintaining Buying Power

Option 1: Treasury Inflation-Protected Securities (TIPS)

One viable option is to invest in Treasury Inflation-Protected Securities (TIPS), which adjust their principal according to inflation rates. A 20-year TIPS offers a real yield of 2.9%, while a 30-year option provides 3.05%. By leveraging the real yield on a $1.6 million investment, an annual income of approximately $46,560 could be sustainably drawn, with the spending power increasing alongside inflation. This method truly exemplifies the concept of “never touching the principal,” as it preserves both capital and purchasing power.

If the income can be adjusted down by using the principal, a 25-year TIPS ladder could provide roughly $91,000 annually in today’s dollars – significantly more than this fixed Treasury plan offers in the first year. Alternatively, I Bonds currently yield 4.3%, but their annual purchase limits may restrict their viability as a substantial component of the portfolio.

Option 2: Balanced Investment Portfolio with a 4% Withdrawal Rate

Another approach involves adopting a balanced portfolio, typically composed of 60% stocks and 40% bonds, with a targeted 4% withdrawal rate. This strategy would start with a withdrawal of $64,000, adjusted for inflation through the years. Historical analyses suggest high confidence levels in this approach, ensuring that the funds last for at least 30 years. More conservative mixes, like a 20/80 ratio of stocks to bonds, tend to show lower success rates.

Initially, this method may generate less income than a purely Treasury-focused plan, but it is more likely to grow over time and potentially leave a legacy for heirs.

Key Considerations Before Investing

  • Assess Future Value: Re-evaluate the potential purchasing power of $83,000 over upcoming decades under varying inflation scenarios. If projections indicate that the safe withdrawal might not cover essential living expenses in the future, that could pose a significant risk.
  • Avoid Misplaced Confidence: It's crucial to differentiate between a stable balance and genuine safety. A diversified investment approach that combines TIPS for necessary expenses and equity positions for growth can help address the most prevalent risks.

For those primarily invested in traditional IRAs, consulting with a fee-only financial planner may aid in aligning withdrawal strategies with tax implications since all IRA funds are taxable upon withdrawal.

Ultimately, a straightforward Treasury portfolio may not be the wisest path for retirees seeking stable income throughout their golden years. Analyzing alternative strategies can prove beneficial in safeguarding against inflation while maintaining purchasing power for the long haul.

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