Abstract
The current research aims to measure the retained earnings index and its reflection on financial sustainability, which consists of financing with retained earnings as an independent variable, in financial sustainability, which is measured through the ratios of net income to total assets (〖ROT〗_t ) and the previous year (〖ROT〗_(t-1) ) as a dependent variable, and to determine the type of relationship between research variables in banks, research sample And testing the hypothesis of correlations and analyzing them for the banks of the research sample. The research problem identified the following central question: Can the retained profits of the banks improve the financial sustainability of the research sample banks? Published on the website of the Iraq Stock Exchange for the period (2016-2021), the sample included (15) listed banks, and the (Eviews) program was used to extract the results of the normal distribution, descriptive statistics, the arithmetic mean, and the standard deviation. The results showed that the indicators of funding sources impact achieving financial sustainability.
