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Resource | Research and Data | Assessing/Improving Operations National and State Level Estimates of WIC Eligibility and Program Reach in 2021

This report, the latest in a series of annual reports on WIC eligibility, presents 2021 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.

11/03/2023
Resource | Research and Data | Assessing/Improving Operations Child Nutrition Program Operations During the COVID-19 Pandemic, March Through September 2020

This data collection fulfills states’ reporting requirements and describes trends in program participation during the early months of the COVID-19 pandemic. It is part of an ongoing study series examining CN program operations, repurposed to collect waiver reports from all states.

05/23/2023
Resource | Research and Data | Benefit Content/Cost WIC Food Cost-Containment Practices Study

The WIC Food Cost-Containment Practices Study describes the voluntarily approaches state agencies used in 2018 to reduce food costs when selecting and authorizing WIC foods. This study is the second of its kind; the first was conducted by the USDA Economic Research Service in 2003. This report examines how six types of food cost-containment practices are associated with food costs and WIC participant satisfaction, benefit redemption, and food consumption in 12 state agencies. 

11/09/2022
Resource | Research and Data | Assessing/Improving Operations The Use of State Administrative Data to Improve SNAP Eligibility Estimates: Findings and Recommendations from an Expert Panel

FNA has historically estimated the participation rate of SNAP by using Census data and samples of SNAP administrative data, but modeling SNAP eligibility using survey data has a number of challenges. In response, FNA, the Economic Research Service, and the Census Bureau sought potential solutions to these issues by linking Census survey data with monthly administrative records at the person level.

04/05/2022
Resource | Research and Data | Assessing/Improving Operations WIC Participant and Program Characteristics 2020 - Charts

Since 1988, FNA 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 and Data | Demonstrations Report on the Summer Food for Children Demonstration Projects for FY 2013

This Congressional report summarizes the implementation and evaluation of two approaches tested in the summers of 2011 through 2013. 

03/31/2014
Resource | Research and Data | Assessing/Improving Operations WIC Participant and Program Characteristics 2008

WIC Participant and Program Characteristics summarizes the demographic characteristics of WIC participants nationwide in April 2008, along with information on participant income and nutrition risk characteristics, a national estimate of breastfeeding initiation for WIC infants, and a description of WIC members of migrant farmworker families.

01/01/2010
Resource | Research and Data | Impacts/Evaluations Infant Mortality Among Medicaid Newborns in Five States: The Effects of Prenatal WIC Participation

This study is the analysis of the relationship between prenatal participation in the Special Supplemental Food Program for Women, Infants, and Children (WIC) and infant mortality among Medicaid newborns.

05/01/1993
Page updated: July 21, 2026