About SNAP Quality Control (QC) data
The SNAP Quality Control data are an edited version of the raw data file generated by SNAP’s QC System, which is composed of monthly case reviews conducted by State SNAP agencies. The SNAP QC data contain detailed demographic, economic, and SNAP eligibility information for a nationally representative sample of SNAP participants. The data, produced annually, are well suited for tabulating characteristics of SNAP participants.
This site provides access to the public-use SNAP QC data in SAS, Stata, SPSS, and CSV formats, along with supporting technical documentation, replicate weights, and sample SAS, Stata, and R code for estimating SNAP participant characteristics and calculating standard errors.
NEW (October 2026): The SNAP Quality Control Database: Frequently Asked Questions and Answers (403 KB – PDF) provides more information about the SNAP QC data.
Please contact FNA at FNAStudies@usda.gov with any additional questions.
SNAP Quality Control Data
Access the most recent fiscal year data file, or browse all data files from fiscal year 1996 to the present.
Note: Revised versions of the fiscal year 2024 SNAP QC data and Technical Documentation were posted on August 18, 2026. They replace earlier versions posted in May 2026 and reflect corrections to the two weighting variables, FYWGT (fiscal year weight) and HWGT (monthly weight). See the documentation for more information.