摘要:The aim of this research were to explain the demographic transition and the population ageing in the Special Region of Yogyakarta (DIY). This study used previous demographic and profiles of the elderly data in DIY. These data collected from the Central Bureau of Statistics Indonesia (BPS) and other relevant institutions, and then analyzed by descriptive analysis. The results showed The Special Region of Yogyakarta’s demographic transition is in its final stages. This is due to the population ageing in this region; which indicated by high percentage of elderly population. Population ageing in DIY has been happening since 1990. In 1990, the percentage of the elderly population was 11, 3% and became 14, 37% in 2019.