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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 | Participation Rates Reaching Those in Need: Estimates of State SNAP Participation Rates in 2014

This report – part of an annual series – presents estimates of the percentage of eligible persons, by state, who participated in SNAP during an average month in FY 2014 and in the two previous fiscal years. This report also presents estimates of state participation rates for eligible “working poor” individuals (persons in households with earnings) over the same period.

01/19/2017
Resource | Research and Data | Impacts/Evaluations Evaluation of the Elementary Schools Pilot Project for Canned, Frozen, or Dried Fruits and Vegetables in the FFVP

This report presents results from a pre/post study comparing the fall of 2014 with the spring of 2015, to evaluate the impacts of a pilot project under which states had the option to serve canned, frozen, and dried fruits and vegetables.

01/19/2017
Resource | Research Reports 2015 Expenditures on Children By Families

The Expenditures on Children by Families annual report provides estimates of the cost of raising children from birth through age 17 for different budgetary components, including food, housing, transportation, health care, clothing, child care and education, and miscellaneous costs.

01/06/2017
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 | Food/Nutrient Analysis Review of WIC Food Packages: Improving Balance and Choice

The National Academies of Sciences, Engineering, and Medicine  convened an expert committee to review and assess the nutritional status and food and nutritional needs of the WIC-eligible population and provide recommendations based on its review and grounded in the most recently available science. The committee produced three reports as part of this task. 

01/05/2017
Resource | Research and Data Summer Electronic Benefits Transfer For Children: Early Experiences through June 2011 of the Proof-of-Concept Year

This, being the first in a series of report summaries on the results of the SEBTC demonstration, focuses largely on the early experiences of the planners and implementers from the proof-of-concept phase. 

12/15/2011
Resource | Research and Data | Participation Rates WIC Eligibles and Coverage-2000 to 2009: National and State-Level Estimates of the Population of Women, Infants and Children Eligibles for WIC Benefits

This report offers updated estimates of the population that met these criteria and was eligible for WIC benefits in each of the years 2000 through 2009. This report includes some new estimates not included in previous reports: (1) estimates of the number of eligibles and coverage rates by state; (2) updated estimates in U.S. territories; (3) confidence intervals; and (4) estimates of eligible children by single year of age.

12/01/2011
Resource | Research and Data | Participation Rates Reaching Those in Need: State SNAP Participation Rates in 2009

This report – the latest in an annual series – presents estimates of the percentage of eligible persons, by state, who participated in SNAP during an average month in FY 2009 and in the two previous fiscal years. This report also presents estimates of state participation rates for eligible “working poor” individuals over the same period. Although SNAP provides an important support for working families, the working poor have participated at rates that are substantially below those for all eligible persons. 

12/01/2011
Resource | Research and Data | Assessing/Improving Operations WIC Participant and Program Characteristics 2010

WIC Participant and Program Characteristics summarizes the demographic characteristics of nationwide participants in April 2010. 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.

12/01/2011
Page updated: September 16, 2025