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Resource | Research and Data | Assessing/Improving Operations WIC Participant and Program Characteristics 2012

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.

12/11/2013
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
Resource | Research and Data | Assessing/Improving Operations WIC Food Package Cost Report, FY 2010

This report estimates the average monthly food costs for each of 5 WIC participant subgroups and estimates total dollars spent on 17 major categories of WIC-eligible foods in FY 2010. The participant and food level costs in this report are USDA’s first estimates since implementation of the 2009 WIC food package changes.

08/21/2013
Resource | Research and Data | Report to Congress Summer Rural Transportation Grants 2009 Report to Congress

Report of the use of funds awarded, progress made by each grantee, the impact of the project on SFSP participation in rural areas, and recommendations for further action to improve rural summer food access.

05/24/2013
Resource | Research and Data | Demonstrations Summer 2011 SFSP Home Delivery and Food Backpacks Demonstration Projects:

Summer 2011 SFSP Home Delivery and Food Backpacks Demonstration Projects Request for Applications and Questions and Answers

03/13/2013
Resource | Research and Data | Participation Rates National and State - Level Estimates of WIC Eligibles and Program Reach 2010

This report offers updated estimates of the population that met these criteria and was eligible for WIC benefits in 2010. This report includes (1) estimates of the number of eligibles (including children by single year of age) and coverage rates; (2) updated estimates in U.S. territories; and (3) confidence intervals.

01/02/2013
Resource | Research Plans Medicaid Policies and Eligibility for WIC

The Food and Nutrition Service (FNS), which administers the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC), asked Mathematica Policy Research to examine more closely Medicaid's role in adjunct eligible for WIC and do not have to show further proof of income to qualify.

10/01/1999
Resource | Research and Data | Participation Rates Estimating the Number of People Eligible for WIC and the Full-Funding Participation Rate: A Review of the Issues

This report reviews recent approaches to estimating the numbers of persons eligible for and participating in WIC. It also describes issues concerning these estimates that may be worthy of review and synthesizes research on these issues.

02/12/1999
Page updated: September 16, 2025