Documentation: LEHD (Longitudinal Employer Household Dynamics) 2010
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Publisher: U.S. Census Bureau
Document: LEHD (Longitudinal Employer Household Dynamics)
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Chapter Contents
LEHD (Longitudinal Employer Household Dynamics)
Overview
The Longitudinal Employer-Household Dynamics (LEHD) program is part of the Center for Economic Studies at the U.S. Census Bureau.
The LEHD Program at the US Census Bureau has constructed unique linked employer-employee data for the United States. It connects administrative records with census and survey data to produce new public-use data products as well as microdata for research.
1. Data Coverage and Availability
Data are currently available for most states in most years. These specific state-year combinations have only RAC files and not have WAC files.


State-Year Combinations without OD/WAC data
State (or equivalent) Years
Arizona 2002-2003
Arkansas 2002
District of Columbia 2002-2009
Massachusetts 2002-2010
Mississippi 2002-2003
New Hampshire 2002
Wyoming 2014
Puerto Rico All Years
U.S. Virgin Islands All Years

2. Data Structure
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OD - Origin-Destination data, jobs totals are associated with both a home Census Block and a work Census Block
RAC - Residence Area Characteristic data, jobs are totaled by home Census Block
WAC - Workplace Area Characteristic data, jobs are totaled by work Census Block
3. Variables
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Variable Details

The following table provides a list of all the variables by which the LEHD data is categorized.


Variable (Category Count) Categories
Age (3) 29 or younger
30 to 54
55 or older
Earnings (3) $1250/month or less
$1251/month to $3333/month
Greater than $3333/month
Industry Group (3) Goods Producing industry sectors
Trade, Transportation, and Utilities industry sectors
All Other Services industry sectors
Industry Sectors (20) 20 categories, available at https://www.census.gov/eos/www/naics/
Race (6) White Alone
Black or African American Alone
American Indian or Alaska Native Alone
Asian Alone
Native Hawaiian or Other Pacific Islander Alone
Two or More Race Groups
Ethnicity (2) Not Hispanic or Latino
Hispanic or Latino
Educational Not available (29 or younger)*
Attainment (4) Less than high school
High school or equivalent, no college
Some college or Associate degree
Bachelor's degree or advanced degree
Sex (2) Male
Female
Job Dominance (2) Primary Job
Non-primary Job
Ownership (2) Private
Public
Firm Age (5) 0-1 Years
2-3 Years
4-5 Years
6-10 Years
11+ Years
Firm Size (5) 0-19 Employees
20-49 Employees
50-249 Employees
250-499 Employees
500+ Employees
  • * Because educational attainment is dynamic for younger population, LEHD provides data for the Educational Attainment characteristic for workers age 30 or older.
3.1 Age, Earnings, and Industry
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Age and Earnings serve as both "labor market segments" and as "area characteristics". Industry is report in two separate aggregations: The Industry Sectors are the 20 top-level NAICS sectors and these are part of the area characteristics data. The Industry Groups are 3 aggregations of the Industry Sectors and are part of the labor market segments.
3.2 Sex, Race, Ethnicity, and Education
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Demographic information about the worker, such as age, sex, race, ethnicity, education, and place of residence, comes from a variety of sources, including the 2000 and 2010 Census, American Community Survey, Social Security administrative records and individual tax returns.
3.3 Firm Age and Firm Size
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Firm Age and Firm Size are are only available for All Private Jobs and are not crossed with any of the labor market segments. Additionally, these variables onle appear on the Workplace Area Characteristics. For further information about the Firm Age and Firm Size variables, see the one page brief about them or read more at the LEHD Research page.
3.4 Ownership, Job Dominance, and Job Type
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In addition to the variables that appear explicitly as labor market segments and area characteristics, two other variables are used to classify job counts: ownership and job dominance. Ownership refers to the ownership class of the firm to which the job belongs. LEHD uses only two ownership classifications, private and public, the latter of which consists of local, state, and Federal government employers. However, instead of reporting both private and public independently, LEHD releases a "Private" count and an "All" count which totals private and public. The Public count can be constructed by subtracting Private from All.

Job dominance is a feature of the LEHD data made available because the LEHD data infrastructure tracks jobs as its primary unit instead of people. As such, the system naturally captures more than one job per person when available in the data. The dominant (or primary) job for an individual is defined as the job that earned the individual the most money. Constructed this way, the number of primary jobs should be equal to the number of workers.

Job Type is an auxiliary variable constructed by crossing the Ownership categories with the Job Dominance categories. LEHD reports the data according to job type rather than by ownership or job dominance individually. The four Job Type categories are listed below:

Job Types

Ownership
All Ownership Private Jobs
Job Dominance: All Dominance All Jobs All Private Jobs
Primary Jobs Primary Jobs Private Primary Jobs

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