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Resource | Research and Data WIC Infant and Toddler Feeding Practices Study-2: Ninth Year Report

This report, in the WIC Infant and Toddler Feeding Practices Study 2 (WIC ITFPS-2)/ “Feeding My Baby” Study analyzes the long-term impact of the USDA’s Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) by gathering information on caregivers and children over the first nine years of the child's life after enrollment in WIC, regardless of their continued participation in the program.

05/22/2025
Resource | Research and Data | Food/Nutrient Analysis WIC Infant and Toddler Feeding Practices Study-2: Sixth Year Report

This report, the seventh in the WIC Infant and Toddler Feeding Practices Study 2 (WIC ITFPS-2)/ “Feeding My Baby” Study focuses on children's dietary intake patterns, eating behaviors, and weight status during the child's 6th year after WIC eligibility has ended. The report also explores whether patterns of WIC participation in early childhood are associated with dietary behaviors and nutrient intakes after WIC eligibility ends.

06/06/2024
Resource | Research and Data | Nutrition Education and Promotion WIC Nutrition Assessment and Tailoring Study (WIC NATS)

This is the first study to provide a comprehensive account of the WIC nutrition assessment and tailoring process. The nutrition and breastfeeding assessment process is critical to the delivery of individualized nutrition services and to meeting WIC’s mission. Study findings will inform FNS and WIC state and local agencies about how to enhance service delivery and improve retention of WIC participants.

05/29/2024
Resource | Report to Congress | Food Security USDA Nutrition Education Coordination Report to Congress, FY 2021

USDA's nutrition assistance programs touch the lives of one in four American consumers annually and the nutrition education efforts associated with select programs offer a powerful opportunity to fight hunger and improve dietary quality among eligible individuals and families.

08/25/2022
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 | 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 and Data | 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 and Data | Assessing/Improving Operations WIC Vendor Peer Group Study

The purpose of this study is to evaluate the effectiveness of state agencies current peer group systems, and to provide guidance to state agencies on how to evaluate and update their systems. Specifically, it uses empirical analysis to identify one or more effective models for establishing vendor peer groups that could apply to most state agencies.

05/31/2017
Resource | Research and Data | Breastfeeding WIC Infant and Toddler Feeding Practices Study 2: Infant Year Report

The WIC Infant and Toddler Feeding Practices Study 2 (WIC ITFPS 2), "Feeding My Baby Study" captures data on WIC caregivers and their children over the first 5 years of each child’s life to address a series of research questions regarding feeding practices, the effect of WIC services on those practices, and the health and nutrition outcomes of children on WIC. Additionally, the study assesses changes in behaviors and trends that may have occurred over the past 20 years by comparing findings to the WIC Infant Feeding Practices Study–1, the last major study of the diets of infants on WIC. This study will provide a series of reports. The current report focuses on breastfeeding intention, initiation and duration, and the introduction of complementary foods.

01/05/2017
Resource | Research and Data | Payment Accuracy and Program Integrity 2013 WIC Vendor Management Study

This study is part of a larger FNS effort to ensure WIC program integrity and to comply with the Improper Payments Information Act of 2002 which requires FNS to estimate improper payments in its programs.

11/26/2013
Page updated: September 16, 2025