U.S. Food Policy: The SNAP (food stamp) explosion
You can also highlight a certain state and follow it while you move the bar. It works in the “bubble” tab also.
Every couple years, we update this dynamic interactive graphic showing how Supplemental Nutrition Assistance Program (SNAP) participation changes in response to economic conditions and federal and state policies. (Thanks to graduate student Dan Hatfield for data processing in this new 2010 edition, and to Hanqi Luo and Joseph Llobrera for data processing in earlier versions).
Eligibility for SNAP from the USDA.