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Resource | Research and Data Understanding Risk Assessment in SNAP Payment Accuracy

This study provides an overview of the risk assessment tools currently used by the state agencies that administer the Supplemental Nutrition Assistance Program to categorize those program applications more likely to incur payment errors and allocate resources to improve the accuracy of benefit payments to families participating in SNAP. 

12/30/2025
Resource | Research and Data WIC Participant Access to Authorized Vendors Study - Part 1

This study is a two-part series designed to provide insight into the current geographic coverage and density of WIC retailers across the United States and to assist states in ensuring they are providing adequate participant access to WIC foods in their communities.

12/02/2025
Data Visualization
SNAP Retailer Management Year End Summary FY 2024

This dashboard was created to share information about Supplemental Nutrition Assistance Program retailer participation during fiscal year 2024. 

07/10/2025
Data Visualization
SNAP Household Characteristics Dashboard

This dashboard describes the economic and demographic characteristics of households participating in SNAP by state and over time, as well as SNAP participation rates by state and by household characteristic.

06/13/2025
Resource | Research and Data Characteristics of SNAP Households: Fiscal Year 2023

We release annual reports describing the persons and households participating in the Supplemental Nutrition Assistance Program (SNAP). This report uses the fiscal year 2023 SNAP Quality Control data to examine the demographic characteristics and economic circumstances of SNAP households at the national and state level.

05/02/2025
Resource | Research and Data Reaching Those in Need: Estimates of State SNAP Participation Rates in 2022

This report is the latest in a series on states’ SNAP participation rates, which are estimated percentages of people who are eligible for SNAP who participate in the program in each state. This report presents rates for fiscal year 2022 and revised rates for pre-pandemic FY 2020.

02/20/2025
Resource | Research and Data | Participation Characteristics National and State-Level Estimates of WIC Eligibles and Program Reach 2013

This report offers updated estimates of the number of people eligible for WIC benefits in 2013, including (1) estimates by participant category (including children by single year of age) and coverage rates; (2) updated estimates in U.S. territories; and (3) confidence intervals. The national estimates presented in this report are based on a methodology developed in 2003 by the Committee on National Statistics of the National Research Council (CNSTAT). The report’s State-level estimates use a methodology developed by the Urban Institute that apportions the national figures using data from the American Community Survey.

12/17/2015
Resource | Research and Data | Assessing/Improving Operations WIC Participant and Program Characteristics 2014

WIC Participant and Program Characteristics 2014 summarizes the demographic characteristics of participants in the Special Supplemental Nutrition Program for Women, Infants, and Children nationwide in April 2014. It includes information on participant income and nutrition risk characteristics, estimates breastfeeding initiation rates for WIC infants, and describes WIC members of migrant farm-worker families. PC 2014 is the most recent in a series of reports generated from WIC state management information system data biennially since 1992.

11/23/2015
Resource | Research and Data | Benefit Content/Cost WIC Food Package Policy Options II

In 2007, USDA introduced a new set of food packages via an Interim Rule based on recommendations from the Institute of Medicine, which were implemented by October 2009. The contents of the food packages were finalized via a Final Rule in 2014. The Final Rule clarified some provisions in the Interim Rule and allowed some additional options and substitutions.

10/29/2015
Resource | Research and Data | Assessing/Improving Operations WIC Breastfeeding Peer Counseling Study: Phase II Follow Up Implementation Report

The main objectives of this report are to describe how Loving Support© Peer Counseling is currently implemented in WIC state agencies and local agencies; and to draw comparisons with the program’s implementation in 2008, when the last study was conducted. 

10/14/2015
Page updated: September 16, 2025