Inequality in the Republic of Haiti is among the highest in the world. Recent data reveal that this country ranks the second highest unequal country in the world only after Namibia. This addresses the issue of inequality decomposition in this country using a regression-based decomposition approach to account for the determinants or the role of different factor components. The approach adopted is for complex survey and differences among geographical regions along with education appear among the most important determinants of inequality in this country. In the meantime, gender differences do not disclose any substantial influence inequality.