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Data & Research

Resource | Research, Analysis & Background | Assessing/Improving Operations National and State Level Estimates of WIC Eligibility and Program Reach in 2021

This report, the latest in a series of annual reports on WIC eligibility, presents 2021 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.

11/03/2023
Resource | Research, Analysis & Background | Participation Characteristics Estimates of Nonparticipation Rates of Medicaid and SNAP Beneficiaries in WIC

​This report responds to House Report 117-82, which directs the USDA to publish state-level estimates of the percentage of pregnant women, infants, and children under age five participating in FNS’s SNAP or in Medicaid but not participating in WIC.   

05/03/2023
Resource | Research, Analysis & Background | Assessing/Improving Operations Conducting Remote WIC Certification Appointments During the COVID-19 Pandemic

The physical presence waiver, issued under the Families First Coronavirus Response Act of 2020, allowed WIC state and local agencies to remotely certify participants into WIC during the COVID-19 pandemic. This report summarizes data collected from surveys of WIC state and local agencies about the use of the physical presence waiver and the impact it had on WIC services.

04/26/2023
Resource | Research, Analysis & Background | Assessing/Improving Operations The Use and Impact of Federal Waivers During the COVID-19 Pandemic: Summary Findings From Surveys of WIC State and Local Agencies

Under the Families First Coronavirus Response Act of 2020, the USDA FNS issued certain programmatic waivers to state agencies to support continued access to WIC services and provide flexibilities to some administrative requirements. This brief report summarizes findings about the use and impact of these waivers from surveys of WIC state and local agencies.

04/26/2023
Resource | Research | Assessing/Improving Operations Changes in WIC Operations During the COVID-19 Pandemic: A First Look at the Impact of Federal Waivers

This preliminary report summarizes key changes, improvements, and challenges to WC operations as delivered under the physical presence and remote benefit issuance waivers during the COVID-19 pandemic. These findings represent a first, high-level look at survey data collected from state and local WIC agencies to fulfill reporting requirements for waivers issued under the Families First Coronavirus Response Act.

04/26/2023
Resource | Research | Breastfeeding National and State Level Estimates of WIC Eligibility and Program Reach in 2020

These graphics, the latest in a series of annual reports on WIC eligibility, present 2020 national and state estimates of the number of people eligible for WIC benefits and the percentages of the eligible population and the US population covered by the program, including estimates by participant category.

01/09/2023
Resource | Research | 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 | 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 | 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 | 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
Page updated: May 01, 2024