The LEHD Snapshot Documentation

Table of Contents:

• 1. Introduction
  • 1.1. Earnings Coverage
  • 1.2. LEHD Confidential Microdata: Job, Employer, and Person-Level Files
    • 1.2.1. Job-Level Files
    • 1.2.2. Employer-Level Files
    • 1.2.3. Person-Level Files
  • 1.3. Linking the job, employer, and person data
  • 1.4. Approvals Needed for FSRDC Research
  • 1.5. Snapshot Packages in the FSRDC
  • 1.6. Quarter Indexing - qtime
  • 1.7. Availability of Data
    • 1.7.1. Job and Employer Data (State Provided)
    • 1.7.2. Residence Data
  • 1.8. Previous Versions of Snapshot Documentation
  • 1.9. Citing the Data, Sponsors, and Documentation
    • 1.9.1. Acknowledging the Sponsors
    • 1.9.2. Citing the Data
    • 1.9.3. Data Access Statement
    • 1.9.4. Citing this Documentation
• 2. Jobs-Level Files
  • 2.1. Employment History Files
    • 2.1.1. Overview
    • 2.1.2. User Guidance
    • 2.1.3. Codebook: The EHF Files
    • 2.1.4. Codebook: The JHF Files
    • 2.1.5. Codebook: The EHF_US_INDICATORS File
    • 2.1.6. Codebook: The EHF_ALL_AVAILABILITY File
• 3. Employer-Level Files
  • 3.1. Employer Characteristics File (ECF)
    • 3.1.1. Overview
    • 3.1.2. User Guidance
    • 3.1.3. Codebook: The ECF SEINUNIT Files
    • 3.1.4. Codebook: The ECF SEIN Files
    • 3.1.5. Codebook: The ECF T26 Files
  • 3.2. Successor-Predecessor File (SPF)
    • 3.2.1. Overview
    • 3.2.2. User Guidance
    • 3.2.3. Codebook
  • 3.3. Quarterly Workforce Indicators (QWI)
    • 3.3.1. Overview
    • 3.3.2. User Guidance
    • 3.3.3. Codebook
• 4. Person-Level Files
  • 4.1. Individual Characteristics Files - Demographics
    • 4.1.1. Overview
    • 4.1.2. User Guidance
    • 4.1.3. Codebook: The ICF_US File
    • 4.1.4. Codebook: The ICF_US_IMPLICATES_AGE_SEX_POB File
    • 4.1.5. Codebook: The ICF_US_IMPLICATES_EDUCATION File
    • 4.1.6. Codebook: The ICF_US_IMPLICATES_RACE_ETHNICITY File
  • 4.2. Individual Characteristics Files - Residential Geography
    • 4.2.1. Overview
    • 4.2.2. User Guidance
    • 4.2.3. Codebook: The ICF_US_RESIDENCE_CPR File
    • 4.2.4. Codebook: The ICF_US_RESIDENCE_RCF File
• 5. Acronyms Used
• 6. Selected Codebook Value Labels
  • 6.1. Ownership
    • 6.1.1. Ownership Codes
  • 6.2. Geography Codes
    • 6.2.1. State Codes
    • 6.2.2. CBSA Codes
    • 6.2.3. County Codes
    • 6.2.4. Workforce Investment Board (WIB) Codes
  • 6.3. Industry Codes
    • 6.3.1. NAICS 2022 Codes
    • 6.3.2. NAICS 2017 Codes
    • 6.3.3. NAICS 2012 Codes
    • 6.3.4. NAICS 2007 Codes
    • 6.3.5. NAICS 2002 Codes
    • 6.3.6. NAICS 1997 Codes
    • 6.3.7. SIC 1987 Codes
  • 6.4. Other
    • 6.4.1. Indexed Quarters (qtime)
• 7. Bibliography
• 8. Release History and Errata
  • 8.1. Snapshot S2021_R2022Q4
  • 8.2. Snapshot S2022_R2023Q4