How to inspect variables and request microdata: MDAT and custom tables

Jul 27, 2026

The Microdata Access Tool (MDAT) helps users inspect survey variables and code values; attendees were told the Census API can be used for pulls, and that the ACS accepts formal custom-table requests subject to disclosure review.

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Obradovich demonstrated the Microdata Access Tool (MDAT) to show how researchers can inspect questionnaire items, variable codes and tabulation options before attempting to extract or request tables. "This is where you're gonna see all of pretty much the topics that are involved and then what might have been the answer," she said when showing CPS variables.

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