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    • Wave 1 Survey of Income and Program Participation - 1991 Panel: Core

    Metadata Updated: September 30, 2025

    SIPP is a nationally representative longitudinal survey that provides comprehensive data about the income and government program participation of individuals and households in the United States. These microdata contain demographic and social characteristic information for each sample member, as well as detailed data on labor force activity, types and amounts of income, and participation in various cash and noncash benefit programs. Questions about these topics were repeated for nine interviews. Each interview covered a four-month reference period, with the first interview covering February 1991 to May 1991.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: Creative Commons CCZero

    Downloads & Resources

    References

    https://www.census.gov/developers/

    Dates

    Metadata Created Date September 30, 2025
    Metadata Updated Date September 30, 2025

    Metadata Source

    Harvested from Commerce Non Spatial Data.json Harvest Source

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date September 30, 2025
    Metadata Updated Date September 30, 2025
    Publisher U.S. Census Bureau
    Maintainer
    Identifier https://api.census.gov/data/id/SIPP1991COREV1
    Data Last Modified 2022-12-19 10:23:48.0
    Public Access Level public
    Bureau Code 006:07
    C Dataset "sipp", "core", "1991panel", "wave1"
    C Documentationlink https://www.census.gov/developer/
    C Exampleslink http://api.census.gov/data/1991/sipp/core/1991panel/wave1/examples.json
    C Geographylink http://api.census.gov/data/1991/sipp/core/1991panel/wave1/geography.json
    C Groupslink http://api.census.gov/data/1991/sipp/core/1991panel/wave1/groups.json
    C Isavailable True
    C Iscube True
    C Ismicrodata True
    C Sorts Url http://api.census.gov/data/1991/sipp/core/1991panel/wave1/sorts.json
    C Tagslink http://api.census.gov/data/1991/sipp/core/1991panel/wave1/tags.json
    C Variableslink http://api.census.gov/data/1991/sipp/core/1991panel/wave1/variables.json
    C Vintage 1991
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id 8ebfbefd-d258-491a-a6b6-423c528ebaac
    Harvest Source Id bce99b55-29c1-47be-b214-b8e71e9180b1
    Harvest Source Title Commerce Non Spatial Data.json Harvest Source
    License https://creativecommons.org/publicdomain/zero/1.0/
    Old Spatial United States
    Program Code 006:004
    Publisher Hierarchy U.S. Government > U.S. Department Of Commerce > U.S. Census Bureau
    Related Documents https://www.census.gov/developers/
    Source Datajson Identifier True
    Source Hash 8f4e6a0e9b69ce712e5221472aa79d83ddc654a245fa9ad173ea18a858cd98f1
    Source Schema Version 1.1
    Spatial {"type":"Polygon","coordinates":-124.733253,24.544245,-124.733253,49.388611,-66.954811,49.388611,-66.954811,24.544245,-124.733253,24.544245}
    Temporal 1991/1991

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