Key Takeaways
- • Callan projects lower returns for U.S. equities from 2026 through 2034 compared to the previous decade, creating headwinds for pension fund return targets.
- • Public pension plans currently maintain median assumed rates of return of approximately 7%, with only a 50% probability of achieving this target based on current market conditions.
- • Lower equity forecasts will pressure pension plans to either reduce assumed return rates, increase contributions, or pursue higher-risk alternative investments to close funding gaps.
- • Public pension funds have historically increased risk exposure over the past 30 years, shifting allocations beyond traditional equities and fixed income into alternatives, but face constraints in further escalating risk profiles.
- • Pension funds are unlikely to reduce assumed return rates in the near term despite market uncertainties, creating potential structural mismatches between expectations and achievable returns.
Summary
The structural challenge facing pension funds is acute. Public pension plans maintain a median assumed rate of return of 7%, yet market analysis indicates these plans have only a 50% probability of achieving this target under current conditions. This mismatch between assumptions and realistic return expectations creates compounding pressure on plan finances, as underfunded plans depend heavily on investment returns to bridge the gap between contributions and benefit obligations.
Pension plans face three primary levers to address this gap: reducing assumed return rates downward to reflect more realistic expectations, increasing required contributions from sponsoring governments and employers, or escalating portfolio risk through alternative asset allocation. However, most public pension funds are unlikely to reduce their assumed return rates in the near term, according to available market intelligence, preferring instead to maintain current expectations despite ongoing market uncertainties. This reluctance reflects both political realities—lower assumptions trigger immediate contribution increases—and institutional inertia.
Over the past three decades, public pension funds have substantially increased their risk exposure, expanding allocations beyond traditional equities and fixed income into private equity, hedge funds, private credit, and real assets. However, the capacity to further increase portfolio risk faces practical limits, particularly for already-leveraged strategies. The convergence of lower equity return forecasts, sticky return assumptions, and constrained risk escalation capacity creates a difficult trilemma for plan trustees tasked with meeting return targets while managing stakeholder expectations and contribution volatility.
Go deeper than the headline
Research every firm in this story, track the ones that matter and get the daily briefing — free for 7 days.