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Resource | Research | Benefit Content/Cost WIC Vendor Management Study: 2015 EBT Pilot

The WIC Vendor Management Study: 2015 Electronic Benefits Transfer (EBT) Pilot examined compliance with program requirements and rates of violations among WIC EBT vendors in 2015 and tested a method to identify and measure errors that contribute to improper payments in an EBT environment.

08/10/2022
Resource | Research | Breastfeeding WIC Infant and Toddler Feeding Practices Study 2 (ITFPS-2): Fifth Year Report

The WIC Infant and Toddler Feeding Practices Study 2 (WIC ITFPS-2)/ “Feeding My Baby” Study  is the only national study to capture data on caregivers and their children over the first 5 years of the child’s life after enrollment in WIC, regardless of their continued participation in the program. This report focuses on the dietary intake patterns, eating behaviors, and weight status of children during the fifth year of life. The report also examines associations between WIC participation and key diet and health-related outcomes.

06/21/2022
Resource | Research | Impacts/Evaluations Maternal and Child Health Outcomes Associated with WIC

The U.S. Department for Health and Human Services Agency for Healthcare Research and Quality's report “Maternal and Child Health Outcomes Associated with WIC reviews evidence on whether participation in WIC is associated with nutrition and health outcomes for women and children.

04/20/2022
Resource | Research | Assessing/Improving Operations WIC Participant and Program Characteristics 2020 - Charts

Since 1988, FNS has produced biennial reports on WIC participant and program characteristics for use in program monitoring and managing WIC information needs. The PC 2020 report summarizes demographic, income and health-related characteristics and behaviors of participants certified to receive WIC benefits in April 2020.

02/14/2022
Resource | Research | General/Other National and State Level Estimates of WIC Eligibility and Program Reach in 2019

This report, the latest in a series of annual reports on WIC eligibility, presents 2019 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. The report also provides estimates by region, state, U.S. territory and race and ethnicity.

02/14/2022
Resource | Research | Participation Characteristics WIC Participant and Program Characteristics 2020

Since 1988, FNS has produced biennial reports on WIC participant and program characteristics (PC) for use in program monitoring and managing WIC information needs. The PC 2020 report summarizes demographic, income and health-related characteristics and behaviors of participants certified to receive WIC benefits in April 2020. As a response to COVID-19, the PC 2020 report also compares participant and program characteristics between participants certified to receive benefits in April 2020 and those certified to receive benefits in November 2020 in nine select state agencies.

02/14/2022
Resource | Research | Assessing/Improving Operations Third National Survey of WIC Participants

The National Survey of WIC Participants (NSWP) study series is designed to describe state and local agency characteristics, examine participants’ characteristics, assess participants’ experiences with WIC, and estimate improper payments resulting from certification errors in WIC. The study is conducted approximately every 10 years, and the current study is the third iteration (NSWP-III) in the series. 

12/14/2021
Resource | Research | Report to Congress Reviewing the Evidence for Maternal Health and WIC

This report addresses actions taken by the Food and Nutrition Service to comply with the Consolidated Appropriations Act 2021 (PL 116-260, HR 116-446), which directs USDA to conduct a review of existing evidence and develop a plan to explore how participation in WIC is associated with maternal mortality, with emphasis on the needs of disadvantaged communities of color.

11/08/2021
Resource | Research | Nutrition Education WIC Report - Indicators of Diet Quality, Nutrition and Health for Americans by Program Participation Status, 2011–16

This study primarily uses 2011–2016 National Health and Nutrition Examination Survey (NHANES) data to examine bivariate relationships between reported WIC participation and outcomes including diet quality, indicators of nutrition and health, food consumption patterns, and nutrient intakes among 1- to 4-year-old children. Most results presented in this report are unadjusted and descriptive only, and do not infer causality. They are intended to contribute to the evidence base needed to inform future research and, subsequently, WIC policy and practice.

10/26/2021
Resource | Research WIC Eligibility and Coverage Rates - 2018

In the average month of 2018, an estimated 11.9 million people were eligible to receive benefits from WIC. Of that group, 6.7 million people participated in the program, meaning the share of eligible people who participated in WIC (the coverage rate) was 57 percent. 

06/25/2021
Page updated: October 14, 2021