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Resource | Research and Data | General/Other National- and State-Level Estimates of WIC Eligibility and Program Reach in 2022

This report, the latest in a series of annual reports on WIC eligibility, presents 2022 national and state estimates of the number of people eligible for WIC benefits and the percents of the eligible population and the US population covered by the program, including estimates by participant category.

08/08/2024
Resource | Research and Data | Report to Congress FDPIR - Findings from the Program Access Quick Response Survey

This report responds to a Congressional directive in the Further Consolidated Appropriations Bill of 2020, tasking the USDA FNS with studying challenges facing FDPIR in reaching underserved populations, specifically homebound and elderly individuals unable to travel to FDPIR distribution locations. The report summarizes findings from a survey of FDPIR program operators about how they serve these populations, challenges encountered, and recommendations for enhancing accessibility for the homebound and elderly.

07/31/2024
Data Visualization
FNS Program Participation Dashboard

The program participation dashboard is an interactive tool that provides FNS nutrition program data, including participation and meals served, at the state, territory, and national levels. 
 

06/14/2024
Data Visualization
WIC & FMNP Modernization Dashboard

WIC has been serving families for more than 50 years. To ensure that WIC continues to get results, the program must modernize. 

04/04/2024
Resource | Research and Data | Participation Characteristics National Survey of WIC Participants

Since 1992, FNS has produced biennial reports on WIC participant and program characteristics based on the WIC Minimum Data Set compiled from state management information systems. The 20 items included in the MDS are collected as part of ongoing WIC operations and consist primarily of in formation related to participant eligibility.

10/01/2001
Resource | Research and Data | Demonstrations Framework for Dietary Risk Assessment in the WIC Program

This is a report of the National Academies' Institute of Medicine (Food and Nutrition Board), published here by permission.

10/01/2001
Resource | Research and Data | Participation Characteristics Prevalence of Overweight Among WIC Children

This study examines the trends in the prevalence of overweight among WIC children during the 1990s. The study is based on data collected by the biennial WIC Participant and Program Characteristics Studies (1992, 1994, 1996 and 1998). 

07/01/2001
Resource | Research and Data | Payment Accuracy and Program Integrity WIC Vendor Management Study - 1998

The purpose of the study was to learn the extent to which retail grocers, defined as "vendors" in the WIC Program, authorized to provide food to WIC participants, were violating program rules and procedures, and to determine which programmatic and/or demographic variables could be associated with vendor violations.

07/01/2001
Resource | Report to Congress Food Assistance: Research Provides Limited Information on the Effectiveness of Specific WIC Nutrition Services

This report (1) identifies the number and nature of recent studies that have examined the effectiveness of three WIC services—nutrition education, breastfeeding promotion and support, and referral services—and (2) summarizes what the research shows about the effectiveness of these specific nutrition services. 

03/01/2001
Resource | Research and Data | Demonstrations WIC Nutrition Education Demonstration Study: Child Intervention

In 1994, FNS initiated the WIC Nutrition Education Demonstration Study. The demonstration had two components: a comparison of the effects of innovative and traditional WIC nutrition education for prenatal participants; and a study of the feasibility and effectiveness of providing nutrition education to preschool (three-and-four-year-old) WIC participants. The report summarized here describes the design and implementation of the child nutrition education demonstration and presents findings describing the effectiveness of the demonstration.

03/01/2001
Page updated: September 16, 2025