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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 | Breastfeeding National and State-Level Estimates of WIC Eligibles and Program Reach in 2015

This report, the latest in a series of annual reports on WIC eligibility, presents 2015 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.

02/28/2018
Resource | Research and Data | Benefit Content/Cost WIC Nutrition Services and Administration Cost Study

The WIC Nutrition Services and Administration cost study examines how program funds are expended by state and local agencies to support the management and operation of WIC. The study analyzed data from a national survey of state and local agencies, cases studies, and FY 2013 WIC administrative data.

11/27/2017
Resource | Research and Data | Participation Rates Estimates of WIC Eligibles and Program Reach in 2014

This report, the latest in a series of annual reports on WIC eligibility, presents 2014 national and state estimates of the number of people eligible for WIC benefits and the percent of the eligible population covered by the program, including estimates by participant category.

09/29/2017
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 | Participation Characteristics National and State-Level Estimates of WIC Eligibles and Program Reach 2013

This report offers updated estimates of the number of people eligible for WIC benefits in 2013, including (1) estimates by participant category (including children by single year of age) and coverage rates; (2) updated estimates in U.S. territories; and (3) confidence intervals. The national estimates presented in this report are based on a methodology developed in 2003 by the Committee on National Statistics of the National Research Council (CNSTAT). The report’s State-level estimates use a methodology developed by the Urban Institute that apportions the national figures using data from the American Community Survey.

12/17/2015
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 | 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
Resource | Research and Data | Food/Nutrient Analysis Diet Quality of Young American Children by WIC Participation Status: Data from the National Health and Nutrition Examination Survey, 2005-2008

This report uses data from the National Health and Nutrition Examination Survey to provide a comprehensive picture of the nutrient intakes, food choices, and diet quality of young children who are WIC participants, income-eligible nonparticipants, and higher income participants.

05/05/2015
Page updated: September 16, 2025