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Background Age- and gender-based differences in diabetes demographic characteristics have been studied in many types of research. These differences extend further to diabetes-related comorbidities. Dyslipidemia is a common complication associated with diabetes and causes a substantial increase in cardiovascular morbidity. The study aims to compare the pattern of dyslipidemia between males and females among different age categories in newly diagnosed type 2 diabetes mellitus (T2DM). Methodology A retrospective database study was conducted at Faiha Specialized Diabetes, Endocrine, and Metabolism Center (FDEMC), Basrah, Southern Iraq. We included adult patients with newly diagnosed and drug naïve T2DM between January 2018 and October 2022. Patients' data in the form of body mass index (BMI), hemoglobin A1c (HbA1c), fasting blood glucose (FBG), random blood glucose (RBG), total cholesterol (TC), triglyceride (TG), high-density lipoprotein cholesterol (HDL-C), and low-density lipoprotein cholesterol (LDL-C) were used for comparisons. Results Below the age of 35, males exhibited significantly higher levels of HbA1c, FBG, and TG compared to females, along with a significantly lower level of HDL-C. However, there were no significant differences in BMI, RBG, TC, and LDL-C. Between the ages of 35 and 44, females in this study demonstrated significantly higher BMI and HDL-C levels, while males exhibited higher levels of HbA1c, FBG, RBG, and TG. However, there were no significant differences observed in TC and LDL-C levels. Similar results were found among the age group 45 to 55, with the only exception being FBG, which became nonsignificant. In patients between 55 and 64 years old, BMI, HDL-C, and TC were significantly higher in females ( P  < 0.05). In patients aged above 65 years, BMI and HDL-C remained significantly higher in females, while RBG was significantly higher in males. No significant differences were observed among other parameters (HbA1c, TG, TC, and LDL-C). Conclusions In patients aged 54 years and younger, males were significantly more likely to have severe hyperglycemia, higher TG, and lower HDL-C compared to females at the time of T2DM diagnosis. In older patients, this pattern is lost, with only a significantly lower HDL-C observed., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2023, Alidrisi et al.)