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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 | Assessing/Improving Operations Examination of the Effect of SNAP Benefit and Eligibility Parameters on Low-Income Households

This study examines how the policies that determine benefit levels for the USDA’s Supplemental Nutrition Assistance Program compare to current low-income spending patterns by analyzing the expenditures of low-income households across the United States in 2013 and 2014.

10/27/2017
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 | 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 | Participation Rates Trends in SNAP Participation Rates: FY 2002-2009

This report is the latest in a series on SNAP participation rates. Estimates are based on the March 2011 Current Population Survey and program administrative data for fiscal year  2010. The findings represent participation rates for FY 2010.

08/01/2011
Resource | Research and Data | Food/Nutrient Analysis WIC Food Packages Policy Options

This study describes some of the choices state agencies made as they exercised the flexibility offered during the implementation and describes the resulting food packages.

06/01/2011
Resource | Research and Data | Participation Rates Reaching Those in Need: State Food Stamp Participation Rates in 2003

This report is the latest in a series of publications presenting estimates of the percentage of eligible persons, by state, who participate in the Food Stamp Program. The participation rate – a ratio of the number of participants to the number of people eligible for benefits – is an important measure of program performance. 

11/01/2005
Page updated: September 16, 2025