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Resource | Research and Data | Participation Rates Understanding the Determinants of Supplemental Nutrition Assistance Program Participation

Because of ethical and legal considerations, FNS cannot examine the effect of participation in SNAP on outcomes such as food security through experimental studies that would require withholding benefits from those eligible. Therefore, this study was conducted to identify whether regression modeling of extant data could yield adequate comparison groups to assess SNAP outcomes.

12/18/2009
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
Resource | Research and Data | Participation Rates Reaching Those in Need: State Food Stamp Participation Rates in 2000

This document presents estimates of food stamp participation rates for states as of September 2000. These estimates can be used to assess recent program performance and focus efforts to improve performance.

12/01/2002
Resource | Research and Data | Participation Rates Elderly Participation and the Minimum Benefit

Many elderly individuals eligible for food stamps do not participate. While there are many possible reasons, one commonly offered explanation is that benefits are often too small to justify the effort needed to apply. This analysis suggests that most elderly are eligible for fairly substantial food stamp benefits, although a significant number are eligible only for a small benefit.

11/01/2002
Resource | Research and Data | Food/Nutrient Analysis Dietary Risk Assessment in the WIC Program

This is a report of the National Academies' Institute of Medicine (Food and Nutrition Board), published here by permission. This report seeks to evaluate the use of various dietary assessment tools and to make recommendations for their use in identifying individuals who are at dietary risk.

06/01/2002
Resource | Research and Data | Participation Rates Trends in Food Stamp Program Participation Rates: 1994 to 2000

This report is the latest in a series on trends in Food Stamp Program participation rates, based on the Current Population Survey. This report focuses on changes in rates from 1994 to 2000.

06/01/2002
Resource | Research and Data | Participation Rates Reaching Those in Need: Food Stamp Participation Rates in the States in 1999

This is the fourth report in a series of publications presenting estimates of the percentage of eligible persons, by state, who participate in the Food Stamp Program. This issue presents food stamp participation rates for states in September 1999 and the change between September 1994 and September 1999. This information can be used to assess recent trends in program performance and focus efforts for improvement. 

06/01/2002
Page updated: September 16, 2025