Background: Almost all nutrition policies in Colombia currently focus on either undernutrition or obesity, with the predominant emphasis on undernutrition. It is crucial to assess the prevalence of the dual burden of malnutrition in Colombia to better target programs and policies.

Objective: The aim was to estimate the national prevalence of the dual burden of malnutrition in Colombia at the individual and household levels in children aged <5 y, school-age children, adolescents, and adults.