This study aims to analyze the effect of Islamic economic growth, financial literacy, and inflation on income inequality in Indonesia as measured by the Gini Ratio during the period 2013-2023. The method used is multiple linear regression and quadratic regression to identify the non-linear relationship between the independent variables and the Gini Ratio. The results show that financial literacy has a significant negative effect on income inequality, while inflation shows no significant effect. Islamic economic growth shows an inverted U shape quadratic relationship, which means that initially an increase in Islamic economic growth increases inequality, but after a certain point it decreases it. These findings suggest the importance of improving people's financial literacy and strengthening an inclusive Islamic economy to promote equitable income distribution in Indonesia.
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