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Resource | Research and Data | Assessing/Improving Operations Third National Survey of WIC Participants

The National Survey of WIC Participants (NSWP) study series is designed to describe state and local agency characteristics, examine participants’ characteristics, assess participants’ experiences with WIC, and estimate improper payments resulting from certification errors in WIC. The study is conducted approximately every 10 years, and the current study is the third iteration (NSWP-III) in the series. 

12/14/2021
Resource | Research and Data | Assessing/Improving Operations School Nutrition and Meal Cost Study

This study is the first nationally representative, comprehensive assessment of the school meal programs since the updated nutrition standards for school meals were phased in beginning school year 2012-2013. A study methodology report that describes the study design, sampling and data collection and a summary report that provides a brief overview of the study and key findings from the various reports are also available.

10/19/2021
Resource | Research Reports Measuring the Cost of a Thrifty Food Plan in Puerto Rico

In September 2020, in response to a Congressional Directive, the USDA contracted with Insight Policy Research to conduct the Measuring the Cost of a Thrifty Food Plan in Puerto Rico study. The purpose of the study is to provide CNPP with options for measuring the cost of a TFP in Puerto Rico.

09/23/2021
Resource | Research and Data | Assessing/Improving Operations Third Access, Participation, Eligibility, And Certification Study (APEC-III), SY 2017-18

This is the third study in the Access, Participation, Eligibility, and Certification study series, conducted in school year 2017-18. FNS relies upon the APEC series to provide reliable, national estimates improper payments made to school districts operating the NSLP and SBP. APEC studies also help identify sources of error and inform FNS policy and technical assistance for state agencies and school food authorities to reduce error. FNS conducted previous iterations of the study in school years 2005-06 and 2012-13.

09/03/2021
Resource | Research and Data Thrifty Food Plan, 2021

The Thrifty Food Plan, 2021 was released on Aug. 16, 2021. The TFP represents the cost of a nutritious, practical, cost-effective diet.

08/25/2021
Resource | Research and Data | Participation Rates The Impact of SNAP ABAWD Time Limit Reinstatement in Nine States

This report examines the reinstatement of time limits on SNAP participation for able-bodied adults without dependents (ABAWDs) following the Great Recession. This report focuses on how reinstatement of time limits impacted ABAWD employment, annual wages, and program participation. Methods include descriptive and regressive analysis of administrative data, analysis of linked SNAP-Unemployment Insurance data, sensitivity analysis of key findings, and interviews with regional SNAP directors.

06/08/2021
Resource | Research and Data | General/Other National- and State-Level Estimates of WIC Eligibility and WIC Program Reach in 2018 With Updated Estimates for 2016 and 2017

This report, the latest in a series of annual reports on WIC eligibility, presents 2018 national and state estimates of the number of people eligible for WIC benefits and the percents of the eligible population and the US population covered by the program, including estimates by participant category. 

05/25/2021
Resource | Research and Data | Participation Characteristics Characteristics of SNAP Households: FY 2019

The Characteristics report is published annually, dating back to 1976, and provides information about the demographic and economic circumstances of SNAP households. Using a sample of SNAP Quality Control data that is representative at both the state and national level, this report summarizes the characteristics of households and individuals who participated in SNAP in fiscal year 2019.  Because SNAP is available to most low-income households, participants represent a broad cross section of the Nation's poor. 

03/29/2021
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
Page updated: September 16, 2025