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. 

This report addresses actions taken by the Food and Nutrition Service to comply with the Consolidated Appropriations Act 2021 (PL 116-260, HR 116-446), which directs USDA to conduct a review of existing evidence and develop a plan to explore how participation in WIC is associated with maternal mortality, with emphasis on the needs of disadvantaged communities of color.

This study primarily uses 2011–2016 National Health and Nutrition Examination Survey (NHANES) data to examine bivariate relationships between reported WIC participation and outcomes including diet quality, indicators of nutrition and health, food consumption patterns, and nutrient intakes among 1- to 4-year-old children. Most results presented in this report are unadjusted and descriptive only, and do not infer causality. They are intended to contribute to the evidence base needed to inform future research and, subsequently, WIC policy and practice.

The Summer Meals Study provides a comprehensive, nationally representative assessment of the two summer meal programs operated by USDA: the Summer Food Service Program and the National School Lunch Program Seamless Summer Option. It is the first national study to simultaneously examine the facilitators and barriers to program participation among participating and nonparticipating families, sponsors, and sites. This study examines the characteristics of participating and nonparticipating children, including sociodemographic characteristics, household food security status, reasons for participation or nonparticipation, and satisfaction with the meals served to children in the summer of 2018. 

The Study of School Food Authority (SFA) Procurement Practices is the first study from the U.S. Department of Agriculture (USDA), Food and Nutrition Service to comprehensively describe and assess the decision-making process regarding school food procurement practices at the SFA level. The sample for this study was a subset of the 1,679 SFAs that participated in the Child Nutrition Operations Study II (CN-OPS-II), which included a module on SFA procurement practices in school year (SY) 2016–17. Findings are based on the perceptions and experiences of the SFA and they may not reflect actual regulations and policies; this study was not an audit. 

The Farm to School Census and Comprehensive Review includes the 2019 Farm to School Census; a descriptive review of the USDA Farm to School grant program; a review of published research on farm to school since 2010; and a set of interviews with school food distributors. 

The Child Nutrition Program Operations Study II is a multiyear study designed to provide FNS with information on current state agency and school food authority policies, practices, and needs related to school nutrition service operations, financial management, meal counting, eligibility, nutrition standards, and personnel. Results inform CN program management and policy development. 

This report, the latest in a series of annual reports on WIC eligibility, presents 2018 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. 

​​This report supplements FNS administrative data on total food 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 18 major categories of WIC-eligible foods in FY 2018.

This report is a census of women, infants, and children who were participating in the WIC program in April, 2012. The report includes information on participant income and nutrition risk characteristics, and estimates breastfeeding initiation rates for WIC infants.