Franata, Budi Hairi2023-10-202023-10-202023-07PerpustakaanElfitrahttps://repository.unri.ac.id/handle/123456789/11176Stunting is a nutritional condition that persists in children and is characterized by low body weight and abnormal height compared to their age. According to Presidential Regulation 72 of 2021, stunting is a growth and development disorder in children caused by chronic malnutrition and recurrent infections, which is characterized by a length or height below the standards set by the minister responsible for health affairs. This study aims to determine the classification of stunting risk in families using the KNearest Neighbor algorithm in the village of Pinang Sebatang Timur, using a dataset of 1000 entries that will be divided into training and testing data. Based on the research results using 700 training data and 300 testing data, the study achieved an accuracy of 99.33%, precision of 100%, and recall of 98.81%. These results were implemented in a web-based programming system.enClassificationK-Nearest NeighborStuntingArticle