This tool was funded by the Laura and John Arnold Foundation. We thank our funders, who make it possible for Urban to advance its mission.
The views expressed are those of the authors and should not be attributed to our funders, the Urban Institute, or its trustees. Funders do not determine our research findings or the insights and recommendations of our experts. For more information on our funding principles, go to urban.org/support.
Users are encouraged to consult the Social Security Administration’s Annual Statistical Supplements for additional data and documentation. The Urban Institute takes no responsibility for the quality of the original data.
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