Skip to main content
Data Visualization
Estimates of WIC Eligibility and Program Reach

Each year, we estimate the number of eligible individuals for WIC during an average month of the calendar year. We use estimates of the number of individuals eligible for WIC and the number likely to participate to better predict future funding needs, measure WIC performance, and identify potentially unmet nutrition assistance needs.

11/03/2014
Resource | Research and Data | Impacts/Evaluations Healthy Incentives Pilot Final Evaluation Report

The final evaluation report presents findings on the impacts of HIP on fruit and vegetable consumption and spending, the processes involved in implementation and operating HIP, impacts on stakeholders, and the costs associated with the pilot.

09/18/2014
Resource | Research and Data National and State-Level Estimates of Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) Eligibles and Program Reach, 2011

This report offers updated estimates of the number of people eligible for WIC benefits in 2011, including (1) estimates by participant category (including children by single year of age) and coverage rates; (2) updated estimates in U.S. territories; and (3) confidence intervals. The national estimates presented in this report are based on a methodology developed in 2003 by the Committee on National Statistics of the National Research Council (CNSTAT).

03/20/2014
Resource | Research and Data Special Nutrition Program Operations Study: State and SFA Policies and Practices for School Meals Programs SY 2011-12

The information in this first year study (school year 2011-12) will provide a baseline for observing the improvements resulting from the implementation of the Healthy, Hunger-Free Kids Act.

03/20/2014
Resource | Research and Data Farmers Market Incentive Provider Study

This report is meant to be the first systematic study of the roles different organizations play in designing and implementing SNAP based incentive programs, how they choose markets for their programs, and how they evaluate success of their programs.

03/18/2014
Resource | Research and Data | Participation Rates SNAP Participation Rates: FY 2010-2011

This report is the latest in a series on SNAP participation rates, which measure the proportion of people eligible for benefits under federal income and asset rules who actually participate.  The report presents participation rates for fiscal year 2011 and revised participation rates for FY 2010 using FY 2011 methodology.  The program served 79 percent of all eligible individuals in FY 2011.

02/20/2014
Resource | Research and Data The Effects of Simplified Reporting on Food Stamp Payment Accuracy

Using Food Stamp Quality Control data from fiscal year 2000, this analysis suggests that the simplified reporting policies adopted by states in 2004 could have lowered error rates by 1.2 to 1.5 percentage points.

10/12/2005
Resource | Research and Data | Nutrition Education Nutrition Education: Principles of Sound Impact Evaluation

FNA is frequently asked, by a variety of nutrition education partners, how it defines a sound impact evaluation. The principles introduced here describe the characteristics of strong impact assessments of nutrition education. They are also consistent with the Government and Performance Results Act and the Office of Management and Budget’s guidance for clear demonstration of program effects.

09/13/2005
Resource | Research and Data | Participation Rates Food Stamp Program Participation Rates: 2003

The Food Stamp Program helps low-income individuals purchase food so that they can obtain a nutritious diet. One important measure of a program’s performance is its ability to reach its target population, as indicated by the fraction of people eligible for benefits that actually participate. This report is the latest in a series on food stamp participation rates based on the March Current Population Survey, and presents national participation rates for fiscal year 2003.

07/01/2005
Resource | Research and Data WIC Food Package Costs 1999-2005

This information provides details about pre and post rebate food package costs and distribution of expenditures by food type, and infant formula rebates.

06/13/2005
Page updated: July 21, 2026