Background: The prevalence of stunted toddler in Indonesia is very high. The study was aimed at analyzing ecologically the factors related to the prevalence of stunted toddler in Indonesia.Methods: Ecological analysis was conducted using secondary data from the Ministry of Health of the Republic of Indonesia report in 2018. Apart from the stunted toddler, 6 other variables analyzed as independent variables were the percentage of households with access to safe drinking water sources, percentage of households with access to proper sanitation, percentage of households that occupy livable houses, percentage of the population who smoke, percentage of poor people, and percentage of the population completing basic education. Data were analyzed using a scatter plot.Results: The results of the study found that 4 variables (the percentage of household with access to a safe drinking water source, the percentage of household with access to proper sanitation, the percentage of the household that occupy livable houses, and the percentage of the population completing basic education) had a negative relationship with the prevalence of stunted toddlers in Indonesia. This means that the four variables are protective factors for a province to have a high prevalence of stunted toddler. Meanwhile, the percentage of poor people was found to be positively correlated with the prevalence of stunted toddlerConclusion: It was concluded that the five factors were related to the prevalence of stunted toddler in Indonesia.