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Resource | Research and Data | Payment Accuracy and Program Integrity Extent of Trafficking in Food Stamp Program

This study was the first in a series of studies that estimated the extent of retailer-level SNAP benefit trafficking. The major findings included large stores having only half the store violation rate that smaller stores had. Additionally, the overall benefit trafficking rate was 13.0% as compared to 1.3% in the latest trafficking rate study.

08/01/1995
Resource | Research and Data | Participation Rates Trends in Food Stamp Program Participation Rates: 2000 to 2006

The Food Stamp Program helps low-income individuals purchase food so that they can obtain a nutritious diet. One important measure of Program performance is the ability to reach its target population, as indicated by the fraction of people eligible for benefits who actually participate. This report is the latest in a series on food stamp participation rates. Estimates are based on the March 2007 Current Population Survey and FSP administrative data for Fiscal Year 2006. The findings represent national participation rates for FY 2006.

06/01/2008
Resource | Research and Data | Promoting Healthy Eating Diet Quality of Americans by Food Stamp Participation Status: Data from the National Health and Nutrition Examination Survey, 1999-2004

Data from the National Health and Nutrition Examination Survey (NHANES 1999-2004) provide a comprehensive picture of the nutrient intakes, diet quality, and food choices of Food Stamp Program participants. Data are presented for FSP participants, income-eligible nonparticipants, and higher income non-participants, broken out by age and gender. 

07/01/2008
Resource | Research and Data | Participation Rates Reaching Those in Need: State Food Stamp Participation Rates in 2006

This report – the latest in an annual series – presents estimates of the percentage of eligible persons, by state, who participated in the Food Stamp Program (FSP) during an average month in fiscal year 2006 and in each of the 2 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.

11/01/2008
Resource | Research and Data | Benefit Content/Cost WIC Participant and Program Characteristics 2018 Food Packages and Costs Report

​​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.

01/11/2021
Resource | Research and Data | Participation Rates Trends in SNAP Participation Rates: FY 2016-2018

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 to those who actually participate in the program. This report presents rates for Fiscal Year 2018, comparing them to rates for FYs 2016 and 2017.

05/18/2021
Resource | Research and Data | Participation Rates Reaching Those in Need: Estimates of State SNAP Participation Rates in 2018

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 2018 and in the two previous fiscal years. This report also presents estimates of state participation rates for individuals in eligible “working poor” households (households with earnings) over the same period. 

05/19/2021
Resource | Research and Data | Benefit Content/Cost Barriers that Constrain the Adequacy of SNAP Allotments

This study identifies the barriers that SNAP participants face when trying to achieve a healthy diet through a nationally representative survey of SNAP participants.

06/23/2021
Resource | Research and Data | Assessing/Improving Operations Study of Nutrition and Activity in Childcare Settings in USDA’s CACFP

Centers and family daycare homes participating in CACFP play an important role in supporting the health and wellness of the children they serve. The Study of Nutrition and Activity in Childcare Settings  is the first nationally representative, comprehensive assessment of the CACFP. Data were collected in program year 2016–17 from CACFP providers and participating children on nutritional quality of meals served, nutrient intake of participating children, meal costs and revenues, and more. Findings serve as an important baseline for the subsequent updates to the meal pattern and nutrition standards, which were implemented in October 2017. 

10/25/2021
Page updated: September 16, 2025