Conditions to Access Wisconsin Longitudinal Study Data:

By registering for access to WLS Public Release data, the User agrees to all of the following:

  • Make no attempts to identify study participants.
  • Not to transfer WLS Public Release data to any third party other than staff or students for whom you are directly responsible.
  • To include the following citation in any research reports, papers, or publications based on Public Release data:
  • Wisconsin Longitudinal Study (WLS) [graduates, siblings, and spouses]: 1957-2023 Version 14.03. [machine-readable data file] / Hauser, Robert M., William H. Sewell, and Pamela Herd. [principal investigator(s)]. Madison, WI: University of Wisconsin-Madison, WLS. [distributor]; <>
  • To inform WLS about any published papers for use in the WLS bibliography and for reporting purposes.
  • Send us your work!


By submitting the following information, you agree to the aforementioned conditions of use of the data files.

Please enter the requested information in the area provided. We will immediately send you an email. To download the data you will need to open that email and click on the link. We will only use your email address to notify you when WLS data are updated.

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