New Update: Healthcare Costs Increasing by Over 60% in Some States. Will you be impacted?

Why an Aging Workforce and Demographic Shifts Could Impact Stock Markets—and University of Chicago Employees' Retirement

'Understanding demographic trends, like the Middle-Old ratio, can offer invaluable insight for University of Chicago employees planning for retirement, as it highlights the potential for slower stock market growth in the future and suggests strategic adjustments to portfolios to align with shifting global economic conditions.' – Michael Corgiat, a representative of The Retirement Group, a division of Wealth Enhancement.

'By recognizing the impact of demographic shifts, such as the Middle-Old ratio, University of Chicago employees can better position their retirement portfolios to navigate upcoming market changes and demographic-driven economic shifts, helping their retirement planning to remain resilient in the face of long-term trends.' – Brent Wolf, a representative of The Retirement Group, a division of Wealth Enhancement.

In this article, we will discuss:

The impact of demographic shifts, particularly the Middle-Old ratio, on stock market trends and retirement planning.
How population changes influence market cycles and economic growth, with a focus on University of Chicago employees.
Strategies for adjusting retirement portfolios based on demographic forecasts, including exposure to emerging markets.

The long-term outlook for stock markets and retirement planning is being affected by the demographic changes happening in the United States and other industrialized nations. The 'Middle-Old ratio' (M/O ratio), which analyzes the ratio of middle-aged to elderly individuals, is a key factor that investors, particularly University of Chicago employees, should consider when planning for the future. For those preparing their retirement plans over the next decade or more, this ratio offers a unique approach to forecasting long-term stock market trends.

The Effect of the M/O Ratio on Stock Markets

The M/O ratio is determined by dividing the number of individuals aged 40 to 49 by the number of people aged 60 to 69. This metric has shown a strong correlation with long-term stock market cycles, especially in the S&P 500. Research conducted by Alejandra Grindal, chief economist at Ned Davis Research, has revealed that shifts in the M/O ratio often coincide with significant highs and lows in the stock market. ¹

For example, in 2000, when the internet bubble burst and the 1990s bull market reached its peak, the M/O ratio reached its highest point. This marked the end of an era of rapid economic growth and stock market gains. Following this peak, the ratio began to decline, mirroring the 2008 global financial crisis and the subsequent bear market. Since the middle of the 2010s, the M/O ratio has been rising, indicating that a shift may be on the horizon within the next decade.

It is essential to note that while the M/O ratio may act as an indicator for long-term market trends, it is not useful for forecasting short-term market movements. For instance, it did not signal the steep market declines in 2022. Nevertheless, it remains a valuable tool for understanding the cyclical nature of the stock market.

The Influence of Demographics on Stock Market Cycles

John Geanakoplos, a professor at Yale University, has made significant contributions to understanding the relationship between financial markets and demographics. His 2002 study highlighted that many of the boom-and-bust cycles in the stock market since World War II can be attributed to shifts in population composition, particularly the proportion of middle-aged versus elderly individuals. ² Geanakoplos explained that stock markets tend to rise when a significant portion of the population is in their prime working years and decline when a larger share of the population is elderly and no longer contributing to the economy.

This demographic shift is driven by the relative sizes of different age groups, not just the overall population. While some may focus on population growth when forecasting economic outcomes, it is the relative sizes of the middle-aged and senior cohorts that most significantly impact stock market performance.

It is expected that the M/O ratio will continue to rise into the 2030s. However, it will begin to decline again around the mid-2030s, which may signal a slowdown in stock market growth. This long-term pattern suggests that investors, particularly those at University of Chicago preparing for retirement, should be ready for potentially weaker equity returns starting in the early 2030s.

Taking Demographic Trends into Account When Managing Your Retirement Portfolio

Anyone preparing for retirement, especially University of Chicago employees with a long investment horizon, should understand how demographic shifts influence stock markets. This information can help you adjust your portfolio to align with anticipated market conditions, particularly if you are more than ten years away from retirement. As the M/O ratio seems to be peaking, it may be time to consider reducing exposure to U.S. stocks and reallocating to other regions, such as emerging markets.

For those nearing retirement, traditional strategies like those in target-date funds often recommend gradually decreasing equity exposure. For example, Vanguard’s target-date funds suggest a 30% allocation to U.S. stocks by the time an investor turns 65. However, due to demographic trends, a more cautious approach may be needed, especially for those in their 60s who wish to limit exposure to U.S. stocks.

Investors should also reevaluate the international component of their portfolios. While Vanguard's glide path recommends a 20% allocation to non-U.S. stocks, this may need to be adjusted based on the demographic outlook of specific countries. Over the next 25 years, developed nations outside the U.S. will also experience a decline in their M/O ratios, but not as sharply as in the U.S.

In the coming decades, emerging markets, particularly in Asia and Africa, are expected to see higher M/O ratios. As a greater portion of their populations enters middle age, these regions could experience economic expansion and market growth. To capitalize on these trends, it might make sense to increase your exposure to emerging markets, especially if you are nearing or already in retirement.

Conclusion: Preparing for Population Shifts and Stock Market Changes

Demographic trends, as illustrated by the M/O ratio, may influence stock markets and retirement planning. These trends indicate that starting in the early 2030s, investors, particularly those at University of Chicago with long-term horizons, may want to prepare for a period of potentially slower equity growth. As the middle-aged population reaches its peak, the stock market dynamics may shift, potentially leading to reduced returns in developed nations, including the United States.

To account for these anticipated demographic changes, it may be helpful to consider lowering your exposure to U.S. stocks and increasing your investment in emerging markets, where demographic trends appear more favorable. By adjusting your portfolio to reflect these long-term patterns, you can potentially position for a future with slower market growth and shifting global economic conditions. For a more sustainable retirement, begin planning now.

As the elderly population grows, the global workforce is shrinking, which could slow economic growth. A 2023 World Economic Forum report states that aging populations are contributing to a decline in the global workforce, potentially dampening economic productivity. This trend may lead to slower stock market returns and increased inflation, especially in developed countries where the aging population is advancing more rapidly.

Retirement planning must evolve as demographic changes and stock market patterns change. Understanding the M/O ratio and its implications could help you adjust your retirement portfolio, especially when considering opportunities in emerging markets. By aligning your investments with these demographic shifts, you can better prepare for a future where market growth may slow, supporting a more sustainable retirement.

Think of the stock market as a vehicle traveling along a winding road. For years, the car has been running smoothly, driven by a powerful engine (the large working-age population). But now, the engine is aging, and the fuel (economic growth and productivity) is running low. The aging population is like the car approaching a steep incline. Investors must adjust their speed, refuel with more strategic investments, and be ready for a slower journey into retirement.

Featured Video

Articles you may find interesting:

Sources:

1. Grindal, Alejandra. 'Why America's Aging Population Will Be a Problem for Stocks and Your Retirement.' Morningstar , 2 June 2025.

2. Geanakoplos, John, Michael Magill, and Martine Quinzii. 'Demography and the Long-Run Predictability of the Stock Market.' Brookings Institution , Jan. 2004, pp. 245–311.

3. Roberts, Stan. 'Why America's Aging Population Will Be a Problem for Stocks and Your Retirement.' MarketWatch , 2 June 2025.

4. VanEck Research Team. 'Emerging Markets: Policy Uncertainty Tempers a Strong Start to 2025.' VanEck , May 2025.

5. BlackRock. 'Five Forces Shaping Retirement.' BlackRock , Feb. 2025.

What are the eligibility criteria for participation in the SEPP plan for employees of The University of Chicago, and how can factors like years of service and age impact an employee's benefits under this plan? Discuss how these criteria might have changed for new employees post-2016 and what implications this has for retirement planning.

Eligibility Criteria for SEPP: Employees at The University of Chicago become eligible to participate in the SEPP upon meeting age and service requirements: being at least 21 years old and completing one year of service. For employees hired after the plan freeze on October 31, 2016, these criteria have been crucial in determining eligibility for newer employees, impacting their retirement planning as they do not accrue benefits under SEPP beyond this freeze date.

In what ways does the SEPP (Staff Employees Pension Plan) benefit calculation at The University of Chicago reflect an employee's years of service and final average pay? Examine the formulas involved in the benefits determination process, including how outside factors such as Social Security compensation can affect the total pension benefits an employee receives at retirement.

Benefit Calculation Reflecting Service and Pay: The SEPP benefits are calculated based on the final average pay and years of participation, factoring in Social Security covered compensation. Changes post-2016 have frozen benefits accrual, meaning that current employees’ benefits are calculated only up to this freeze date, affecting long-term benefits despite continued employment.

How can employees at The University of Chicago expect their SEPP benefits to be paid out upon their retirement, especially in terms of the options between lump sum distributions and annuities? Analyze the advantages and disadvantages of each payment option, and how these choices can impact an employee's financial situation in retirement.

Payout Options (Lump Sum vs. Annuities): Upon retirement, employees can opt for a lump sum payment or annuities. Each option presents financial implications; lump sums provide immediate access to funds but annuities offer sustained income. This choice is significant for financial stability in retirement, particularly under the constraints post the 2016 plan changes.

Can you elaborate on the spousal rights associated with the pension benefits under the SEPP plan at The University of Chicago? Discuss how marital status influences annuity payments and the required spousal consent when considering changes to beneficiary designations.

Spousal Rights in SEPP Benefits: Spouses have rights to pension benefits, requiring spousal consent for altering beneficiary arrangements under the SEPP. Changes post-2016 do not impact these rights, but understanding these is vital for making informed decisions about pension benefits and beneficiary designations.

As an employee nearing retirement at The University of Chicago, what considerations should one keep in mind regarding taxes on pension benefits received from the SEPP? Explore the tax implications of different types of distributions and how they align with current IRS regulations for the 2024 tax year.

Tax Considerations for SEPP Benefits: SEPP distributions are taxable income. Employees must consider the tax implications of their chosen payout method—lump sum or annuities—and plan for potential tax liabilities. This understanding is crucial, especially with the plan’s benefit accrual freeze affecting the retirement timeline.

What resources are available for employees of The University of Chicago wishing to understand more about their retirement benefits under SEPP? Discuss the types of information that can be requested from the Benefits Office and highlight the contact methods for obtaining more detailed assistance.

Resources for Understanding SEPP Benefits: The University provides resources for employees to understand their SEPP benefits, including access to the Benefits Office for personalized queries. Utilizing these resources is essential for employees, especially newer ones post-2016, to fully understand their retirement benefits under the current plan structure.

How does The University of Chicago address benefits for employees upon their death, and what provisions exist for both spouses and non-spouse beneficiaries under the SEPP plan? Analyze the specific benefits and payment structures available to beneficiaries and the conditions under which these benefits are distributed.

Posthumous Benefits: The SEPP includes provisions for spouses and non-spouse beneficiaries, detailing the continuation or lump sum payments upon the death of the employee. Understanding these provisions is crucial for estate planning and ensuring financial security for beneficiaries.

What factors ensure an employee remains fully vested in their pension benefits with The University of Chicago, and how does the vesting schedule affect retirement planning strategies? Consider the implications of not fulfilling the vesting criteria and how this might influence decisions around employment tenure and retirement timing.

Vesting and Retirement Planning: Vesting in SEPP requires three years of service, with full benefits contingent on meeting this criterion. For employees navigating post-2016 changes, understanding vesting is crucial for retirement planning, particularly as no additional benefits accrue beyond the freeze date.

Discuss the impact of a Qualified Domestic Relations Order (QDRO) on the SEPP benefits for employees at The University of Chicago. How do divorce or separation proceedings influence pension benefits, and what steps should employees take to ensure compliance with a QDRO?

Impact of QDROs on SEPP Benefits: SEPP complies with Qualified Domestic Relations Orders, which can allocate pension benefits to alternate payees. Understanding how QDROs affect one’s benefits is crucial for financial planning, especially in the context of marital dissolution.

How can employees at The University of Chicago, who have questions about their benefits under the SEPP plan, effectively communicate with the Benefits Office for clarity and assistance? Specify the various communication methods available for employees and what kind of information or support they can expect to receive.

Communicating with the Benefits Office: Employees can reach out to the Benefits Office via email or phone for detailed assistance on their SEPP benefits. Effective communication with this office is vital for employees to clarify their benefits status, particularly in light of the post-2016 changes to the plan.