This study is intended to test and see the influence of life expectancy (AHH), education based on average school age, and poverty rate on income disparity in Yogyakarta province from 2008 to 2022. Data used in this study is 15 years each variable obtained from the Central Statistical Agency of Yogyakarta Province from 2008-2022. Data processing uses double linear regression analysis techniques with EViews as a statistical analysis tool. The results of this study found that life expectancy, education, and poverty levels simultaneously influenced income inequality.