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Resource | Research and Data | Food/Nutrient Analysis Indicators of Diet Quality, Nutrition, and Health for Americans by Program Participation Status, 2011–2016: USDA NSLP Report

This study used 2011–2016 National Health and Nutrition Examination Survey (NHANES) data to examine the relationship between estimated program participation, diet quality, indicators of nutrition and health, food consumption patterns, and nutrient intakes. 

06/08/2022
Resource | Research and Data SNAP State Activity Reports

These are reports of state activity in SNAP.  The data they contain is state reported data or calculated from state reported data.

03/04/2022
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 | Payment Accuracy and Program Integrity The Extent of Trafficking in the SNAP: 2012–2014

Trafficking of Supplemental Nutrition Assistance Program benefits occurs when SNAP recipients sell their benefits for cash to food retailers, often at a discount. Although trafficking does not increase costs to the federal government, it is a diversion of program benefits from their intended purpose of helping low-income families access a nutritious diet. This report, the latest in a series of periodic analyses, provides estimates of the extent of trafficking during the period 2012 through 2014.

09/22/2017
Resource | Research and Data | Assessing/Improving Operations CACFP Assessment of Sponsor Tiering Determinations - 2015

This report provides the 2015 national estimate of incorrect payments for the meal reimbursements. The assessment calculates both overpayments and underpayments for FDCHs that earn either Tier 1 (higher) or Tier II (lower) reimbursements depending on the location and circumstances of the child care provider or the participating children.

06/08/2017
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 | 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 | Assessing/Improving Operations Direct Certification in the National School Lunch Program Report to Congress: State Implementation Progress, SY 2014-15

This report responds to the requirement of PL 110-246 to assess the effectiveness of state and local efforts to directly certify children for free school meals. Direct certification is a process conducted by the states and by local educational agencies to certify eligible children for free meals without the need for household applications. 

12/02/2016
Resource | Research and Data | Assessing/Improving Operations Second Access, Participation, Eligibility, and Certification Study (APEC II): Estimating and Validating Statistical Models for Updating Estimates of Improper Payments in NSLP and SBP

Statistical models were designed to estimate national improper payments due to certification error on an annual basis using district-level data. This enables FNS to update its estimates of national improper payment rates for the NSLP and SBP in future years without having to conduct full rounds of primary data collection.

11/29/2016
Page updated: September 16, 2025