Apr 18, 2024 · Food Allergies Are on the Rise. Food allergy prevalence among children has been increasing for decades, up by 50 percent between 1997 and 2011, and again up by 50 percent between 2007 and 2021.11,73. In the United States, the prevalence of self-reported peanut or tree nut allergy in children more than tripled between 1997 and 2008.12.