About the Research

The study draws upon data from the Survey of Income and Program Participation and the Social Security Administration to assess participants’ earnings over a 10-year period. All of the research conducted with confidential Census Bureau data was performed by Dr. Bhashkar Mazumder and Jonathan M. V. Davis. Any opinions and conclusions expressed herein are those of The Pew Charitable Trusts and do not necessarily represent the views of the U.S. Census Bureau. All results have been reviewed to ensure that no confidential information is disclosed.

Report Assets

• FAQ
• Press Release
• Executive Summary
• Data Table
• Methodology

Video

Measuring Mobility

This video explains the difference between absolute and relative mobility, and why both matter.