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Resource | Research and Data | Benefit Content/Cost WIC Nutrition Services and Administration Cost Study

The WIC Nutrition Services and Administration cost study examines how program funds are expended by state and local agencies to support the management and operation of WIC. The study analyzed data from a national survey of state and local agencies, cases studies, and FY 2013 WIC administrative data.

11/27/2017
Resource | Research and Data | Participation Rates Trends in SNAP Participation Rates: FY 2010-2015

This report is the latest in a series on SNAP participation rates, which estimate the proportion of people eligible for benefits under federal income and asset rules who actually participate in the program. This report presents estimates of participation rates for FY 2015, comparing them to estimates of participation rates for FYs 2010 through 2014.

06/30/2017
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 | 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 | Participation Rates Reaching Those in Need: State SNAP Participation Rates in 2007

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 2007 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. 

11/01/2009
Resource | Research and Data | Participation Rates Trends in SNAP Participation Rates: 2000 to 2007

This report is the latest in a series on SNAP participation rates. Estimates are based on the March 2008 Current Population Survey and program administrative data for FY 2007. 

06/01/2009
Resource | Research and Data | Participation Rates Trends in the FSP Participation Rates: Focus on 1994 to 1998

The Food Stamp Program helps needy families purchase food so that they can maintain a nutritious diet. Families are eligible for the program if their financial resources fall below certain income and asset thresholds. This report concentrates on trends in the participation rates since 1994. It focuses on trends in the rates before and after welfare reform, and throughout much of the economic expansion of the 1990s.

11/01/2000
Resource | Research and Data | Participation Rates Reaching Those in Need: Food Stamp Participation Rates in the States

This is the second report in a series of publications that presents estimates of the percentage of eligible persons, by state, who participate in the Food Stamp Program. This issue presents food stamp participation rates for states in September 1997 and the changes in state rates between September 1994 and September 1997. This information can be used to examine states’ performance over this period and help understand the effects on food stamp participation rates of a strong economy with expanding job opportunities and the very early consequences of welfare reform and food stamp changes that were brought about by the Personal Responsibility and Work Opportunity Reconciliation Act of 1996.

07/01/2000
Resource | Report to Congress Food Assistance: Financial Information on WIC Nutrition Services and Administrative Costs

GAO Report to Congressional Committees on Food Assistance: Financial Information on WIC Nutrition Services and Administrative Costs

03/01/2000
Page updated: September 16, 2025