Anxiety Disorders

Anxiety Disorders are a group of mental disorders characterized by significant feelings of anxiety and fear. Anxiety is a worry about future events, and fear is a reaction to current events. These feelings may cause physical symptoms, such as a fast heart rate and shakiness.

Changes in anxiety disorder presentation across the lifespan. (Dialogues Clin Neurosci. 2011 Dec; 13(4): 381–399.) Fig. 1

The average age of onset of anxiety disorders varies greatly between anxiety disorders.[1]

Average Age of Onset

Adapted from: Lijster, J. M et al. (2017). The Age of Onset of Anxiety Disorders. Canadian journal of psychiatry. 62(4), 237–246.
Separation anxiety disorder 11 years 6 to 14
Specific phobia 11 years 8 to 14
Social anxiety disorder (social phobia) 14 years 13 to 15
Agoraphobia without panic disorder 21 years 17 to 25
Obsessive-compulsive disorder 24 years 19 to 29
Posttraumatic stress disorder 27 years 22 to 31
Panic disorder 30 years 26 to 35
Generalized anxiety disorder 35 years 31 to 39