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Resource | Research and Data | General/Other National and State-Level Estimates of WIC Eligibility and Program Reach in 2023

This report, the latest in an annual series, presents 2023 national and state-level estimates of the number of people eligible to receive benefits provided through the Special Supplemental Nutrition Program for Women, Infants, and Children and the percentage of the eligible population and the general U.S. population participating in the program.

12/04/2025
Basic page Report Series - National and State-Level Estimates of WIC Eligibility and Program Reach

This series of annual reports presents national and state-level estimates of the number of people eligible to receive WIC benefits and the percentage of the eligible population and the general U.S. population participating in WIC.

12/04/2025
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
Basic page Report Series - WIC Participant Access to Authorized Vendors Study

The WIC Participant Access to Vendors study series is designed to provide insight into the geographic coverage and density of WIC vendors 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
Resource | Research and Data WIC Infant and Toddler Feeding Practices Study-2: Ninth Year Report

This report, in the WIC Infant and Toddler Feeding Practices Study 2 (WIC ITFPS-2)/ “Feeding My Baby” Study analyzes the long-term impact of the USDA’s Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) by gathering information on caregivers and children over the first nine years of the child's life after enrollment in WIC, regardless of their continued participation in the program.

05/22/2025
Resource | Research and Data WIC and FMNP Modernization Annual Evaluation Report - 2024

The WIC and FMNP Modernization Evaluation tracks the progress and outcomes of program modernization efforts funded by Congress in 2021. This first annual report provides an overview of the WIC and FMNP modernization efforts underway and highlights early implementation findings, covering activities from September 2022 - September 2024.

04/21/2025
Resource | Research and Data Development of a WIC Participant and Program Characteristics Longitudinal Data Set

The goal of this study was to pilot creating a WIC participant characteristics (PC) longitudinal data set with one WIC state agency. Eight state agencies with varying management information systems (MIS) platforms and high quality WIC PC 2020 data completed a survey about their MIS and longitudinal data provision capabilities. The survey assessed these state agencies’ MIS capabilities, as measured in six areas, to provide a longitudinal data set. This report describes the process of working with one WIC state agency to create a pilot WIC PC longitudinal data set of infant and child participants and the challenges and successes of this effort.

04/15/2025
Resource | Research and Data | Food/Nutrient Analysis WIC Infant and Toddler Feeding Practices Study 2 (ITFPS-2): Fourth 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 6 years of the child's life regardless of their continued participation in WIC. Overall, the study examines child-feeding practices, associations between WIC services and those practices, and the health and nutrition outcomes of children who received WIC around birth. This report, the fifth in the series generated from this study, focuses on the dietary intake patterns and weight status of children during the fourth year of life. The report also examines families' WIC experiences and their perceptions of the program's impact.

09/08/2020
Resource | Research and Data | Breastfeeding WIC Infant and Toddler Feeding Practices Study 2: Infant Year Report

The WIC Infant and Toddler Feeding Practices Study 2 (WIC ITFPS 2), "Feeding My Baby Study" captures data on WIC caregivers and their children over the first 5 years of each child’s life to address a series of research questions regarding feeding practices, the effect of WIC services on those practices, and the health and nutrition outcomes of children on WIC. Additionally, the study assesses changes in behaviors and trends that may have occurred over the past 20 years by comparing findings to the WIC Infant Feeding Practices Study–1, the last major study of the diets of infants on WIC. This study will provide a series of reports. The current report focuses on breastfeeding intention, initiation and duration, and the introduction of complementary foods.

01/05/2017
Resource | Research and Data | Food/Nutrient Analysis Review of WIC Food Packages: Improving Balance and Choice

The National Academies of Sciences, Engineering, and Medicine  convened an expert committee to review and assess the nutritional status and food and nutritional needs of the WIC-eligible population and provide recommendations based on its review and grounded in the most recently available science. The committee produced three reports as part of this task. 

01/05/2017
Page updated: September 16, 2025