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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
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 | 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 and Data | Assessing/Improving Operations WIC Participant and Program Characteristics 2016

WIC Participant and Program Characteristics 2016 (PC 2016) summarizes the demographic characteristics of participants in the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) nationwide in April 2016. 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 2016 is the most recent in a series of reports generated from WIC state management information system data biennially since 1992.

04/20/2018
Resource | Research and Data | General/Other Planning for Future Data Collection Needs within WIC

This report explores WIC state agencies’ ability to collect, store, retrieve, and report data to meet policy and program management needs now and in the future.

06/01/2017
Resource | Research and Data | Assessing/Improving Operations WIC Vendor Peer Group Study

The purpose of this study is to evaluate the effectiveness of state agencies current peer group systems, and to provide guidance to state agencies on how to evaluate and update their systems. Specifically, it uses empirical analysis to identify one or more effective models for establishing vendor peer groups that could apply to most state agencies.

05/31/2017
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
Resource | Research and Data | Assessing/Improving Operations WIC Participant and Program Characteristics 2014: Food Package Report

This report is a supplement to the WIC Participant and Program Characteristics 2014 biennial report. It describes the content of Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) food packages for packages or prescriptions issued to WIC participants in April 2014.

02/29/2016
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 | 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