Minimum Benefits in Social Security: Design Details Matter

Brief #10 in the Older Americans' Economic Security series.

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Abstract

Although Social Security does not currently guarantee low-wage workers a minimum retirement benefit, several proposed reforms include benefit minimums. Our analysis suggests that such policies could help reduce poverty among older adults. However, the way the minimums are designed could affect the extent to which poverty rates decline. Using the Urban Institute's dynamic microsimulation model, we examine five alternative benefit options. Several lessons emerge from these simulations that could help guide designers of Social Security proposals. Understanding how a well-designed minimum benefit could reduce poverty is especially important now, when the program's long-term fiscal deficit threatens future benefit reductions.

Introduction

Social Security does not currently guarantee low-wage workers a minimum retirement benefit. Using the Urban Institute's dynamic microsimulation model, we analyze different minimum benefit designs and show that such policies could help reduce poverty among older Americans. We also find that the effects that minimums could have on poverty differ greatly depending on their design features. Understanding the effects that a well-designed minimum benefit could have is especially important now, when the program’s long-term fiscal deficit threatens future benefit reductions.

Design Features within Minimum Benefits

In 1998, the bipartisan National Commission on Retirement Policy proposed reforms that contained a minimum benefit within Social Security. More recently, numerous congressional proposals and a commission set up by President George W. Bush have also included a minimum benefit as part of reform packages.

A minimum could take many forms, influencing its ability to reduce poverty. Important dimensions of a minimum benefit's design include the following:

• benefit level (often expressed as a percentage of the poverty level) and how it varies with years of service;
• number of service years required (usually based on work, but could be based on combinations of childrearing and work, for example);
• definition of a service year (e.g., four covered quarters, 1,000 hours at the minimum wage, care for a child under age 5);
• permissibility of partial service years (for example, people earning half the designated threshold receive half a credit);
• whether and how disabled persons qualify; m treatment of future benefit levels (e.g., does it grow with wages or prices, or something in between, and if indexed, when does indexing begin?);
• computation method (e.g., is it attached to the primary insurance amount [PIA], or does it occur after actuarial adjustments?);
• whether it confers an additional spousal right;
• whether it unintentionally creates windfalls for groups without strong attachment to Social Security–covered work (e.g., uncovered state and local workers, immigrants living in the United States for a short time) and whether prorating can address these issues; and
• how well it coordinates with means-tested assistance (e.g., does the minimum remove people from—or move people onto—Medicaid and other programs?).

Note: This report is available in its entirety in PDF Format.

The nonpartisan Urban Institute publishes studies, reports, and books on timely topics worthy of public consideration. The views expressed are those of the authors and should not be attributed to the Urban Institute, its trustees, or its funders.

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