Development results from a maturation process that includes gross motor, fine motor, cognitive, and language abilities. The percentage of children under five whose growth and development are monitored in Indonesia is 69.6% and has not yet reached the target of the Indonesian Ministry of Health's Strategic Plan 2021, namely 70%. This research aims to identify factors related to toddler development in Indonesia. This research was a narrative literature review. A literature search was conducted using PubMed and Google databases to identify articles published within eight years (2016-2023). The keywords used to search for this article are parenting, stimulation, income, exclusive breastfeeding, and development. This research involved an assessment of 17 articles from Indonesia regarding factors related to toddler development. Based on the study, factors related to toddler development are stimulation, parenting style, family income, and history of exclusive breastfeeding. Health workers are expected to be able to provide education on how to provide stimulation, implement good parenting patterns, and provide good nutrition for the development of toddlers.