Skip to main content
National Longitudinal Survey of Older and Young Men (NLSM)

Index to the NLSM Cohort

The National Longitudinal Survey of Older and Young Men, a two-cohort survey, is part of the NLS Original Cohort project. The Older Men's cohort includes 5,020 men ages 45-59 in 1966, with data available through the 1990 survey year, the final year the Older Men were interviewed. The Young Men's cohort includes 5,225 men who were ages 14-24 when first interviewed in 1966, with data available through 1981, when active surveying was discontinued.

  • Topical Guide to the Data

    Topic-by-topic descriptions of the NLS Older and Young Men data, a crosswalk between the NLS Investigator’s Areas of Interest, and a glossary of terms.
  • Asterisk Tables

    Table of NLS Older and Young Men topics across all survey rounds often referred to as the "Asterisk Table."
  • Introduction to the Sample

    Description of the sample, the sample design and screening process, interview methods, retention and reason for non-interview, and confidentiality.
  • Other Documentation

    Tutorials, NLS Older and Young Men Codebook Supplement, Geocode Supplement, Technical Sampling Report, List of Errata, and questionnaires for all rounds.
  • Using and Understanding the Data

    Information on survey instruments, variables types, the interviewing process, item nonresponse, sample weights and design effects, data documentation, and how to access the data.
  • Get Data

    The NLS Investigator provides access to all public NLS data, including NLS Older and Young Men data.