In this paper, we have tried to analyze the different structures of income inequality, the ways of redistributing wealth and the aspects of financial injustice on a global and national scale. Starting from the literature review, our analysis is in two parts. As a first step, a theoretical approach that deals with the distinction between wage income inequalities in relation to income generated from financial capitalization and a philosophical and political approach to laws regulating the redistribution of wealth. And secondly, an empirical presentation diagnosing the situation of inequalities in the world compared to the current state, also in the Moroccan context in order to detect the link between the economic efficiency of the country and the social well-being of its people. citizens, especially the poorest among other social classes.