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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 WIC Participant and Program Characteristics 2020 - Charts

Since 1988, FNS 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 | General/Other National and State Level Estimates of WIC Eligibility and Program Reach in 2019

This report, the latest in a series of annual reports on WIC eligibility, presents 2019 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. The report also provides estimates by region, state, U.S. territory and race and ethnicity.

02/14/2022
Resource | Research and Data | Participation Characteristics WIC Participant and Program Characteristics 2020

Since 1988, FNS has produced biennial reports on WIC participant and program characteristics (PC) 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. As a response to COVID-19, the PC 2020 report also compares participant and program characteristics between participants certified to receive benefits in April 2020 and those certified to receive benefits in November 2020 in nine select state agencies.

02/14/2022
Resource | Research and Data | Assessing/Improving Operations Study of WIC Participant and Program Characteristics 1996

The 1996 study of WIC program and participant characteristics, like PC92 and PC94, is substantially different from earlier efforts to collect data on WIC participants. PC96 employs the prototype reporting system which was developed by FNS for the collection of participant information from state WIC agencies.

08/01/1998
Resource | Research and Data | Participation Characteristics WIC Program and Participants Characteristics 1994

The 1994 study of WIC program and participant characteristics (PC94), like the 1992 study (PC92), is substantially different from earlier efforts to collect data on WIC participants. PC94 employs the prototype reporting system which was developed by FNS for the 1992 study and which routinizes the collection of participant information from state WIC agencies. 

04/01/1994
Resource | Research and Data | Impacts/Evaluations Very Low Birthweight Among Medicaid Newborns in Five States: The Effects of Prenatal WIC Participation

This study is an analysis of very low birthweight among Medicaid newborns and the effect of prenatal WIC participation on the likelihood of very low birthweight.

03/01/1992
Page updated: September 16, 2025