Bob Barker died on August 26, 2023, at the age of 99. The official cause of death was Alzheimer's disease, with contributing health factors including hypertension (high blood pressure), hypothyroidism, and hyperlipidemia (high cholesterol). He passed away at his home in Los Angeles after living with Alzheimer's for several years, though he had kept the diagnosis private. Barker was interred at Forest Lawn Memorial Park alongside his wife Dorothy Jo Gideon.