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Resource | Research and Data | 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 and Data | 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 and Data | Breastfeeding National and State-Level Estimates of WIC Eligibility and WIC Program Reach in 2016

This report, the latest in a series of annual reports on WIC eligibility, presents 2016 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.

02/12/2019
Resource | Research and Data | Benefit Content/Cost WIC Participant and Program Characteristics 2016 Food Package Report

The biennial WIC Participant and Program Characteristics Report describes a census of all participants in WIC. The most recent report (PC 2016) reflects state management information systems data from April 2016, and this Food Package Report is a supplemental analysis of that data. While PC 2016 summarizes participant characteristics, this report summarizes the food packages, or prescriptions, that state agencies issued to these participants.

10/11/2018
Resource | Research and Data | Assessing/Improving Operations Examination of the Effect of SNAP Benefit and Eligibility Parameters on Low-Income Households

This study examines how the policies that determine benefit levels for the USDA’s Supplemental Nutrition Assistance Program compare to current low-income spending patterns by analyzing the expenditures of low-income households across the United States in 2013 and 2014.

10/27/2017
Resource | Research and Data | Benefit Content/Cost WIC Food Package Policy Options II

In 2007, USDA introduced a new set of food packages via an Interim Rule based on recommendations from the Institute of Medicine, which were implemented by October 2009. The contents of the food packages were finalized via a Final Rule in 2014. The Final Rule clarified some provisions in the Interim Rule and allowed some additional options and substitutions.

10/29/2015
Resource | Research and Data | Breastfeeding Evaluation of the Birth Month Breastfeeding Changes to the WIC Food Packages

In 2006, FNS asked the Institute of Medicine to review the WIC food packages. The IOM proposed major changes to improve nutrition and encourage breastfeeding but also expressed the concern that changes related to partial breastfeeding may have unintended consequences. The IOM recommended that FNS conduct an impact study evaluating the birth month breastfeeding changes to the WIC food packages. 

01/05/2012
Page updated: May 22, 2025