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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 Report on the WIC Task Force on Supplemental Foods Delivery

The following report addresses actions taken by FNS to comply with the Consolidated Appropriations Act 2021 which directed USDA to establish a Task Force to study measures to streamline the redemption of WIC benefits in a manner that promotes convenience, safety, and equitable access to WIC supplemental foods for participants in the WIC program.

12/10/2021
Resource | Research and Data | Report to Congress Reviewing the Evidence for Maternal Health and WIC

This report addresses actions taken by the Food and Nutrition Service to comply with the Consolidated Appropriations Act 2021 (PL 116-260, HR 116-446), which directs USDA to conduct a review of existing evidence and develop a plan to explore how participation in WIC is associated with maternal mortality, with emphasis on the needs of disadvantaged communities of color.

11/08/2021
Resource | Research and Data | Nutrition Education WIC Report - Indicators of Diet Quality, Nutrition and Health for Americans by Program Participation Status, 2011–16

This study primarily uses 2011–2016 National Health and Nutrition Examination Survey (NHANES) data to examine bivariate relationships between reported WIC participation and outcomes including diet quality, indicators of nutrition and health, food consumption patterns, and nutrient intakes among 1- to 4-year-old children. Most results presented in this report are unadjusted and descriptive only, and do not infer causality. They are intended to contribute to the evidence base needed to inform future research and, subsequently, WIC policy and practice.

10/26/2021
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 | Assessing/Improving Operations 2019 Farm to School Census and Comprehensive Review

The Farm to School Census and Comprehensive Review includes the 2019 Farm to School Census; a descriptive review of the USDA Farm to School grant program; a review of published research on farm to school since 2010; and a set of interviews with school food distributors. 

07/15/2021
Resource | Program Data WIC FMNP Grants Data

This file contains WIC Farmers’ Market Nutrition Program grant amounts by state agency. The table displays data for the most recent fiscal years.

07/13/2021
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 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 | 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
Page updated: September 16, 2025