Assegid GeletaSintayehu Mamo2025-08-072025-08-0702023-12-0https://etd.aau.edu.et/handle/123456789/6181Background: These days, obesity and overweight are the world's fifth-leading causes of death. 39 million children under the age of five are overweight or obese worldwide in 2020. In Ethiopia and other Sub-Saharan nations with poor incomes, Obesity in children is not considered a new health concern and is not given much attention. In Ethiopia, the prevalence of childhood obesity and overweight is on the rise, although solid statistical analysis of the data is scarce. Thus, the purpose of this study was to evaluate the factors associated with overweight/obesity and its prevalence in children under the age of five. Objective: To Assess the Prevalence of overweight and or obesity and associated factors among under-five children in Addis Ababa, Ethiopia. Methods: The study used the Ethiopia Mini Demographic and Health Survey 2019 (EMDHS). The study population for the current study was all under-5 years’ children in Addis Ababa, Ethiopia. The logistic regression analysis carried out by SPSS Version. Result: Among all children under five years of age the prevalence of overweight and or obesity in Addis Ababa is 4.7%. The majority (92.6%) of children were within the normal range and 2.7% children were undernutrition. Child age and family size were significantly associated with under-five children overweight and or obesity. Conclusion: The findings of this study showed that children’s age and few family’ size members were significantly associated with childhood overweight and or obesity in Addis Ababa. Targeted and age-specific feeding practices are recommended to improve nutritional advantages of children.en-USOverweight, ObesityThesis