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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 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 | 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
Resource | Research and Data Farm to School Grantee Report (FY 2013-2017)

The Farm to School Grantee Report analyzes baseline, progress and final reports submitted to FNS by 365 grantees who received Farm to School grant awards in fiscal years 2013–2017.

03/10/2021
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
Resource | Research and Data | Participation Rates Reaching Those in Need: State SNAP Participation Rates in 2007

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 2007 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. 

11/01/2009
Resource | Research and Data | Participation Rates WIC Eligibles and Coverage - 1994 to 2007; Estimates of the Population Eligible for WIC Benefits

WIC provides food, nutrition education, breastfeeding support, and health care and social service referrals to nutritionally at-risk low-income pregnant women, new mothers, infants, and children through age 4. This report offers updated estimates of the population that met these criteria and was eligible for WIC benefits in each of the years 1994 through 2007.

09/01/2009
Resource | Research and Data | Participation Rates Trends in SNAP Participation Rates: 2000 to 2007

This report is the latest in a series on SNAP participation rates. Estimates are based on the March 2008 Current Population Survey and program administrative data for FY 2007. 

06/01/2009
Page updated: September 16, 2025