S&P 1500 Pension Funded Status Increased 1 Percent in August 

September 11, 2023 
United States, New York

The estimated aggregate funding level of pension plans sponsored by S&P 1500 companies increased by 1 percent in August 2023 to 108 percent as a result of an increase in discount rates partially offset by a decrease in equity markets. As of August 31, 2023, the estimated aggregate surplus of $133 billion USD increased by $14 billion USD as compared to a surplus of $119 billion USD measured at the end of July according to Mercer,¹ a global consulting leader and a business of Marsh McLennan (NYSE: MMC).

The S&P 500 index decreased 1.77 percent and the MSCI EAFE index decreased 4.10 percent in August. Typical discount rates for pension plans as measured by the Mercer Yield Curve increased from 5.19 percent to 5.37 percent.

“Pension funded status for the S&P 1500 increased one percent in August as interest rates rose, partially offset by the decline in equity markets,” said Scott Jarboe, a Partner in Mercer’s Wealth Business. “Pension funded status increased in August despite monthly equity measures being down for the first time since early 2023. Year-over-year inflation saw a slight increase in July for the first time in 2023 turning investor’s attention to the Fed’s next meeting later in September as they continue to evaluate the market on a month-to-month basis. With higher discount rates and improved funding for many defined benefit sponsors, we continue to see a lot of activity with plan sponsors taking a fresh look at strategy and in many cases executing pension risk transfer and investment de-risking strategies.” 

Mercer estimates the aggregate funded status position of plans sponsored by S&P 1500 companies on a monthly basis. Figure 1 (below) shows the estimated aggregate surplus/(deficit) position and the funded status of all plans sponsored by companies in the S&P 1500. The estimates are based on each company’s latest available year-end statement² and by projections to August 31, 2023, in line with financial indices. The estimates include U.S. domestic qualified and non-qualified plans, along with all non-domestic plans. The estimated aggregate value of pension plan assets of the S&P 1500 companies as of July 31, 2023, was $1.80 trillion USD, compared with estimated aggregate liabilities of $1.68 trillion USD. Allowing for changes in financial markets through August 31, 2023, changes to the S&P 1500 constituents, and newly released financial disclosures, at the end of August the estimated aggregate assets were $1.76 trillion USD, compared with the estimated aggregate liabilities of $1.63 trillion USD. Figure 2 shows the discount rates used in Mercer’s pension funding calculation.

Notes for editors

Information on the Mercer Yield Curve is available at https://www.mercer.com/en_us/insights/retirement/defined-benefit-plans/pension-discount-yield-curve-and-index-rates-in-us.html.

The Mercer US Pension Buyout Index may be accessed at https://www.mercer.com/en-us/insights/investments/market-outlook-and-trends/pension-buy-out-index.html.

Unless otherwise stated, the calculations are based on the Financial Accounting Standard (FAS) funding position and include analysis of the S&P 1500 companies.

Figure 1 : Estimated aggregate funded status of all plans sponsored by companies in the S&P 1500

Source: Mercer, August 2023

Figure 2: High Quality Corporate Bond Yield and S&P 500 data points

Mercer believes in building brighter futures by redefining the world of work, reshaping retirement and investment outcomes, and unlocking real health and well-being. Mercer’s approximately 25,000 employees are based in 43 countries and the firm operates in 130 countries. Mercer is a business of Marsh McLennan (NYSE: MMC), the world’s leading professional services firm in the areas of risk, strategy and people, with more than 85,000 colleagues and annual revenue of over $20 billion. Through its market-leading businesses including Marsh, Guy Carpenter and Oliver Wyman, Marsh McLennan helps clients navigate an increasingly dynamic and complex environment. For more information, visit mercer.com. Follow Mercer on LinkedIn and Twitter.

_{¹ Figures provided by Mercer Investments LLC.}

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