Anxiety disorders affect nearly a third of the population over a lifetime
In short: Researchers reviewing large population-based surveys found that up to 33.7% of people experience an anxiety disorder at some point in their lives. These disorders are among the most common mental health conditions, yet the review notes they are frequently underrecognized and undertreated.
The review finds that anxiety disorders run a long-term course but become less common with age, often occurring alongside other anxiety or mental disorders, and that prevalence varies widely across countries—likely due to differences in study methods rather than true cultural differences.
Because the paper synthesizes findings from many existing population surveys rather than presenting new data, it offers an indirect, summary view of prevalence—one shaped by how each underlying survey defined and measured anxiety.
Why it matters: Anxiety disorders are far more common, and more often missed by the healthcare system, than many people realize.
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Sources
- Source: Research: Bandelow and Michaelis (2015). Epidemiology of anxiety disorders in the 21st century. Dialogues in Clinical Neuroscience. · cc-by-nc-nd
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