Longitudinal Employer-Household Dynamics (LEHD)

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About Us

The Longitudinal Employer-Household Dynamics (LEHD) program is part of the Center for Economic Studies at the U.S. Census Bureau. The LEHD program produces cost effective, public-use information combining federal, state and Census Bureau data on employers and employees under the Local Employment Dynamics (LED) Partnership. State and local authorities increasingly need detailed local information about their economies to make informed decisions. The LED Partnership works to fill critical data gaps and provide indicators needed by state and local authorities.

Under the LED Partnership, states agree to share Unemployment Insurance earnings data and the Quarterly Census of Employment and Wages (QCEW) data with the Census Bureau. The LEHD program combines these administrative data, additional administrative data and data from censuses and surveys. From these data, the program creates statistics on employment, earnings, and job flows at detailed levels of geography and industry and for different demographic groups. In addition, the LEHD program uses these data to create partially synthetic data on workers' residential patterns.

All fifty states, the District of Columbia, the Commonwealth of Puerto Rico, and the U.S. Virgin Islands may participate in the LED Partnership. Composition of the LED Partnership can vary as each eligible member determines their participation and/or navigates the agreement process. The LED Partnership Map provides the most current LED Partnership status.

The LEHD program staff includes geographers, programmers, and economists. Our mission is to provide new dynamic information on workers, employers, and jobs with state-of-the-art confidentiality protections and no additional data collection burden. See this one-page document on LED (293 KB) for more information.