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Why an Aging Workforce and Demographic Shifts Could Impact Stock Markets—and Union Pacific Employees' Retirement

Healthcare Provider Update: Healthcare Provider for Union Pacific Union Pacific provides healthcare coverage primarily through its management benefits program, which may include options such as insurance plans, Medicare, and Medicaid for retirees. The specific providers associated with Union Pacific's healthcare offerings can vary and are typically outlined in their employee and retiree benefit guides. Potential Healthcare Cost Increases in 2026 As 2026 approaches, healthcare costs are expected to rise significantly, particularly for those enrolled in the Affordable Care Act (ACA) marketplace. Record premium hikes are anticipated, with over 22 million enrollees facing potential increases exceeding 75%-a consequence of expiring federal subsidies and aggressive rate hikes by major insurers. With employers also planning to shift more healthcare costs to employees through higher deductibles and out-of-pocket maximums, individuals may find themselves grappling with substantial financial burdens in their healthcare expenses next year. Click here to learn more

'Understanding demographic trends, like the Middle-Old ratio, can offer invaluable insight for Union Pacific 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, Union Pacific 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 Union Pacific 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 Union Pacific 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 Union Pacific 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 Union Pacific 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 Union Pacific 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.

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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 specific eligibility requirements for employees of Union Pacific Corporation to participate in the pension plan, and how might these requirements evolve as IRS regulations change? Understanding how Union Pacific Corporation aligns its eligibility criteria with broader IRS regulations can help employees assess their own eligibility for the pension plan, particularly in light of any new IRS guidelines issued for 2024.

Eligibility Requirements for Pension Plan Participation: Eligibility to participate in the Union Pacific Corporation pension plan is governed by specific criteria set forth in the plan documents. As of January 1, 2018, the plan was closed to new participants, meaning individuals hired on or after this date are not eligible. For existing employees, eligibility to accrue benefits continued provided they were active participants as of December 31, 2017, and remained in covered employment. Changes in IRS regulations could potentially alter these eligibility criteria by requiring adjustments to maintain compliance with legal standards, potentially affecting who can accrue benefits in the future.

How does Union Pacific Corporation calculate an employee's final average compensation for pension benefits? Given the potential for changes in compensation structures, it is essential for employees at Union Pacific Corporation to comprehend how their average compensation is determined and how this figure might impact their retirement planning.

Calculation of Final Average Compensation: The pension plan calculates an employee's final average compensation based on the average monthly compensation over the 36-consecutive month period out of the last 120 months of active participation that yields the highest average. This includes base pay, overtime, and certain incentive and bonus payments. Understanding this calculation is crucial for employees to appreciate how raises, bonuses, and other compensation changes might impact their pension benefits.

What forms of payment options are available to employees of Union Pacific Corporation when they choose to retire, and how do these options influence the total benefit received? Employees need detailed information on the different payment structures to make informed decisions that suit their financial needs in retirement.

Payment Options Available at Retirement: Union Pacific offers various payment options for pension benefits upon retirement. Employees can choose a lifetime annuity or opt for joint and survivor annuities, providing continued benefits to a designated beneficiary. Other options include certain annuities that guarantee payments for a set period, regardless of the employee's lifespan. These choices allow employees to tailor retirement benefits to their financial needs and family circumstances.

In what ways does Union Pacific Corporation integrate Social Security and Railroad Retirement benefits into the pension plan, and how does this integration affect the overall retirement income for employees? Employees should explore the implications of these benefits on their pensions to develop a comprehensive retirement income strategy.

Integration of Social Security and Railroad Retirement Benefits: The pension benefits are coordinated with Social Security or Railroad Retirement benefits through an offset formula in the pension plan. This integration reduces the pension benefit by a portion of the government retirement benefits projected at the time of retirement, reflecting that some of the funding for these benefits comes from Union Pacific. Employees need to understand how this interaction affects their total retirement income to plan effectively.

What strategies can employees of Union Pacific Corporation employ to maximize their pension benefits prior to retirement while adhering to IRS limits? Employees must be informed of practical steps they can take to enhance their benefits within the framework established by IRS guidelines.

Maximizing Pension Benefits: To maximize pension benefits under the IRS limits, Union Pacific employees can ensure they maximize their earnings during the final average compensation period, continue employment as long as possible to increase credited service, and make strategic decisions about retirement age and benefit commencement. Understanding the interplay of these factors with IRS contribution and benefit limits is essential for optimizing pension payouts.

How does the vesting schedule work within Union Pacific Corporation's pension plan, and what implications does this have for employees who leave the company before full vesting? An understanding of the vesting schedule is crucial for employees at Union Pacific Corporation to grasp the long-term benefits they might forfeit by leaving before they are fully vested.

Vesting Schedule: The vesting schedule is crucial as it determines an employee's entitlement to pension benefits upon leaving the company before retirement age. Union Pacific's plan requires employees to complete five years of vesting service to qualify for a vested benefit, which is payable as early as age 55. Employees considering leaving Union Pacific should be aware of how their vesting status might affect their pension entitlements.

What responsibilities do employees have to keep Union Pacific Corporation informed about their earnings records, particularly when claims for benefits arise, and what might happen if these records are not accurately reported? Employees should be aware of their duties to maintain their benefits and the potential consequences of noncompliance within the pension plan.

Responsibilities for Reporting Earnings: Employees are responsible for ensuring that Union Pacific has accurate records of their earnings to calculate pension benefits accurately. Failure to report or correct discrepancies in earnings records can lead to miscalculations in pension benefits, affecting retirement income. It's vital for employees to regularly review their earnings records and report any inaccuracies.

How does Union Pacific Corporation ensure compliance with ERISA regulations as they relate to employee retirement benefits, and what rights do employees have under these regulations? Employees of Union Pacific Corporation should familiarize themselves with their rights under ERISA to ensure they are adequately protected when claiming pension benefits.

Compliance with ERISA Regulations: Union Pacific ensures compliance with the Employee Retirement Income Security Act (ERISA) regulations, which protect employees' rights to their pension benefits. Employees have specific rights under these regulations, including the right to receive information about their pension plan, appeal denials of benefits, and sue for benefits or breaches of fiduciary duty. Awareness of these rights is important for employees to safeguard their benefits.

What happens to the pension benefits of employees of Union Pacific Corporation in the event of a company merger or acquisition, and how can employees prepare for these changes? Understanding the potential impacts of organizational changes on their pension benefits can enable employees to safeguard their retirement plans.

Impact of Company Mergers or Acquisitions: In the event of a merger or acquisition, employees' pension benefits could be affected. Union Pacific's pension plan provisions include terms for handling benefits under such circumstances. Employees should be proactive in understanding how these corporate changes might impact their pension benefits and seek clarity on their rights and options.

How can employees of Union Pacific Corporation contact the Benefits Group to inquire further about the pension plan and related questions? Clear guidance on contacting the Benefits Group will assist employees in accessing the information necessary to navigate their retirement options effectively.

Contacting the Benefits Group: Employees with questions or who need assistance regarding their pension plan can contact Union Pacific's Benefits Group. Having the contact information handy ensures that employees can promptly address concerns or seek guidance about their retirement benefits, aiding in effective retirement planning.