This study aims to investigate the effect of demographic factors for nomination committee (NC) on earnings management (EM) in companies listed on the Amman Stock Exchange. The independent variables are gender, age, level of education, and experience, while the dependent variable is EM. The study utilizes various statistical processes through SPSS 28. The results indicate there are no statistically significant differences at the level of significance (α=0.05) in the total study “EM in the listed companies” due to the age and experience variables. In addition, there are statistically significant differences at the level of significance (α=0.05) in the total study “EM in the listed companies” due to the gender variable, in favor of males and due to the level of education. Moreover, there is a significant difference between two degrees of Diploma and master’s degree in favor of the Master's degree by a mean of 3.701, but the Diploma category mean is 3.400 and the significant difference between Diploma and Ph.D. is in favor of the Ph.D. category by mean (3.722), but the Diploma category mean is (3.400).