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Upcoming System Maintenance Notice :: Thursday, November 19, 2026 from 6-10am ET
Investigator services may be affected due to scheduled maintenance. We apologize for any inconvenience this may cause.
Welcome to Investigator
The Investigator is a web-based tool for searching and extracting data that allows users to download variables, codebooks, and tagsets, and generate programs for SAS, SPSS, STATA, and R. To get started, click Search and choose a data set.
To access data use the login box to the left.