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Four Generations, One Retirement System: Demographics & Plan Design - Spring 2026

At the same time, the retirement landscape itself is undergoing a significant transformation. Longer life expectancies, shifting workforce dynamics, and the gradual disappearance of defined benefit pensions are forcing employers and retirement plan sponsors to rethink how plans are designed and communicated.

These demographic shifts mean a system originally built around pensions and relatively uniform career paths must now support a workforce that is more diverse, mobile, and financially complex than ever before.

Statistics illustrate the scope of the challenge. Federal Reserve research shows roughly one-third of Americans have no retirement savings, while many others have saved far less than they will ultimately need. Meanwhile, life expectancy continues to rise. According to the Social Security Administration, a 65-year-old today has about a one-in-four chance of living past age 90, increasing the need for retirement savings that can last decades.

Four Generations, Four Different Experiences
Each generation in today’s workforce has encountered different economic realities that shape how they approach retirement saving:

• Baby Boomers: Many are already retired or nearing retirement and were the last generation to widely benefit from defined benefit pensions. However, the shift toward defined contribution plans occurred during their working years, leaving many Boomers responsible for managing their own retirement savings. While some accumulated significant assets during long careers, others face retirement with insufficient savings and rising healthcare costs. As a result, many are delaying retirement or choosing phased retirement.
• Generation X: Many are now in their peak earning years but often carry significant financial pressure, balancing retirement savings with supporting both children and aging parents. Because they entered the workforce during the transition away from employer funded pensions, they have largely relied on 401(k) plans and personal savings to fund retirement. Unfortunately, many Gen X participants began saving later than ideal, leaving less time for compound growth to work in their favor.
• Millennials: Now a large share of the workforce, Millennials have faced their own financial challenges. Many entered the job market during or shortly after the Great Recession and often carry significant student loan debt. Rising housing costs and inflation have also limited their ability to save aggressively. At the same time, Millennials tend to be comfortable using digital financial tools and are generally open to automated savings strategies and diversified investments.
• Generation Z: The newest generation entering the workforce is beginning to shape the future of retirement planning. Many Gen Z workers are highly engaged with financial content online and have shown an early interest in investing. However, enthusiasm alone does not guarantee consistent saving. Without disciplined contributions and long-term strategies, even financially aware young workers may struggle to build adequate retirement savings.

• For younger workers, plan features such as automatic enrollment and automatic contribution escalation can be especially effective. Behavioral finance research shows these tools significantly improve participation by removing the need for employees to actively opt in. According to Vanguard research, plans with automatic enrollment often achieve participation rates above 90% percent, compared with much lower participation in plans without these features. Younger employees also tend to respond well to digital engagement tools such as mobile apps, retirement calculators, and interactive dashboards that illustrate long-term savings projections.
• For mid-career workers, particularly those in Generation X, plan designs that encourage higher contribution rates and provide targeted retirement readiness tools can make a meaningful difference. Catch-up contributions, personalized retirement projections, and financial education programs can help participants better understand whether they are on track to meet their retirement goals.
• For older workers approaching retirement, plans may increasingly incorporate retirement income planning resources and guidance on transitioning from saving to spending. Distribution strategies, retirement income options, and phased retirement programs can help employees move more smoothly from the workforce into retirement.