Generalized anxiety disorder is one of a range of anxiety disorders including panic disorder (with and without agoraphobia), post-traumatic stress disorder, obsessive-compulsive disorder, social phobia, specific phobias and acute stress disorder. The aim of this study was to assess generalized anxiety disorder and its association to socio-demographic characteristics among first year students in University of Duhok. An analytical cross-sectional study was conducted among 1000 first year students of University of Duhok regardless of their socio-demographic characteristics and study field from 1 st Feb-30 th April 2017. The students were recruited into the study through the systematic method of sampling. The level of generalized anxiety disorder was assessed through the 10-item Generalized Anxiety Disorders Questionnaire for DSM-IV. The items are rated from 0 (Not at all), 1 (Several days), 2 (More than half the days), and 3 (Nearly every day). The total scores are interpreted as 0-10 KEYWORDS: General Anxiety Disorder, Students, University of Duhok minimal symptoms 11-15 mild anxiety, 16-20 moderate anxiety and 21-30 sever anxiety. The study revealed that majority of students was in age groups 18-22 (98.8%). The number of male students was 427 (42.7%) and females were 573 (57.3%). The prevalence of General Anxiety disorder (excluding minimum level) was (33.7%) in the first year college students. In addition, the study showed that majority of student had not previous personal and familial diagnosis of generalized anxiety disorder. The data showed that the generalized anxiety disorder was more prevalent in females (47.47%), married students (49.18%), age category 23-26 years (37.5%), and students studying sciences (67.11%). It was more prevalent in students living in rural areas (55.48%), students living in dormitory (53.56%), Yezidi students (68.38%), and in those students with previous personal and familial diagnosis of generalized anxiety disorder (62.02% and 66.67%, respectively) Introduction. Generalized anxiety disorder is an anxiety disorder characterized by excessive, uncontrollable and often irrational worry, that is, apprehensive expectation about events or activities. This excessive worry often interferes with daily functioning, as individuals with GAD typically anticipate disaster, and are overly concerned about everyday matters such as health issues,