In 2007, USDA introduced a new set of food packages via an Interim Rule based on recommendations from the Institute of Medicine, which were implemented by October 2009. The contents of the food packages were finalized via a Final Rule in 2014. The Final Rule clarified some provisions in the Interim Rule and allowed some additional options and substitutions.

This report uses data from the National Health and Nutrition Examination Survey to provide a comprehensive picture of the nutrient intakes, food choices, and diet quality of young children who are WIC participants, income-eligible nonparticipants, and higher income participants.