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Data & Research

Resource | Research | 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 | 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 | Breastfeeding WIC Infant and Toddler Feeding Practices Study 2 (ITFPS-2): Fifth Year Report

The WIC Infant and Toddler Feeding Practices Study 2 (WIC ITFPS-2)/ “Feeding My Baby” Study  is the only national study to capture data on caregivers and their children over the first 5 years of the child’s life after enrollment in WIC, regardless of their continued participation in the program. This report focuses on the dietary intake patterns, eating behaviors, and weight status of children during the fifth year of life. The report also examines associations between WIC participation and key diet and health-related outcomes.

06/21/2022
Resource | Research | 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 | Assessing/Improving Operations Third National Survey of WIC Participants

The National Survey of WIC Participants (NSWP) study series is designed to describe state and local agency characteristics, examine participants’ characteristics, assess participants’ experiences with WIC, and estimate improper payments resulting from certification errors in WIC. The study is conducted approximately every 10 years, and the current study is the third iteration (NSWP-III) in the series. 

12/14/2021
Resource | Research, Analysis & Background | Assessing/Improving Operations WIC Participant and Program Characteristics 2018

WIC Participant and Program Characteristics 2018 summarizes the demographic characteristics of participants nationwide in April 2018. 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.

05/04/2020
Resource | Research | 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 | Benefit Content/Cost WIC Food Package Cost Report FY 2014

This report supplements FNS administrative data on food package costs by estimating the average monthly food costs for each WIC participant category and food package type. It also estimates total pre- and post-rebate dollars spent on 17 major categories of WIC-eligible foods in FY 2014. This report is an update to the previous WIC Food Package Cost Report for FY 2010.

10/11/2018
Resource | Research | 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 | Breastfeeding WIC Infant and Toddler Feeding Practices Study 2 (ITFPS-2): Second Year Report

The WIC Infant and Toddler Feeding Practices Study 2 (WIC ITFPS-2)/ “Feeding My Baby” Study captures data on caregivers and their children over the first 5 years of the child’s life after WIC enrollment to address a series of research questions regarding feeding practices, associations between WIC services and those practices, and the health and nutrition outcomes of children receiving WIC.

04/20/2018
Page updated: May 01, 2024