Anxiety disorders are the most common mental health condition in the world. An estimated 359 million people globally had an anxiety disorder in 2021, representing about 4.4% of the world’s population. In the United States, the numbers are even higher: roughly 19.1% of adults experienced an anxiety disorder in the past year, and 31.1% will deal with one at some point in their lives.
Anxiety by the Numbers in the U.S.
Nearly one in five American adults had an anxiety disorder in the past year, based on data from the National Comorbidity Survey. That makes anxiety far more prevalent than depression, bipolar disorder, or schizophrenia. The lifetime figure of 31.1% means that if you’re in a room with ten people, roughly three of them will experience a diagnosable anxiety disorder at some point.
These numbers cover the full spectrum of anxiety disorders, including generalized anxiety, social anxiety, panic disorder, and specific phobias. Social anxiety disorder alone affects an estimated 7.1% of U.S. adults in any given year, with about 12.1% experiencing it at some point in their lives.
Women Are Affected More Often
Women consistently report higher rates of anxiety than men. CDC data from 2019 found that 19.0% of women experienced anxiety symptoms over a two-week period, compared with 11.9% of men. That gap holds across severity levels. Women were nearly twice as likely to report severe anxiety symptoms (3.5% vs. 1.9%) and roughly 1.5 times more likely to report mild symptoms (11.3% vs. 7.6%).
The reasons for this gap aren’t fully settled, but hormonal differences, higher rates of trauma exposure, and social pressures likely all play a role. Regardless of the cause, the pattern is remarkably consistent across countries and age groups.
Anxiety in Children and Teens
Anxiety isn’t just an adult problem. Based on 2022-2023 data, 11% of U.S. children ages 3 to 17 had a current, diagnosed anxiety disorder. Girls were slightly more likely to be diagnosed (12%) than boys (9%), mirroring the gender gap seen in adults.
Among adolescents ages 12 to 17, one in five reported anxiety symptoms in the past two weeks during 2021-2023. The broader picture for teen mental health is sobering: 40% of U.S. high school students in 2023 reported persistent feelings of sadness or hopelessness over the past year. Anxiety is the most commonly diagnosed mental health condition in children, ahead of both behavioral disorders and depression.
Global Rates Have Been Rising
Anxiety isn’t just common. It’s becoming more common. Global prevalence has been climbing steadily since at least 1990, and the COVID-19 pandemic accelerated that trend significantly. Before the pandemic, roughly 301 million people worldwide had an anxiety disorder. By 2021, that number had jumped to 359 million. Research published in the journal Medicine found that global rates of new anxiety cases and overall prevalence both increased meaningfully over the three decades from 1990 to 2021.
The pandemic itself was a clear inflection point. A systematic analysis of global data during 2020 found a significant spike in both anxiety and depression prevalence worldwide, driven by isolation, economic uncertainty, health fears, and disrupted routines.
Most People With Anxiety Don’t Get Adequate Treatment
Despite how widespread anxiety is, the treatment gap is staggering. A large study spanning 21 countries found that only 27.6% of people with a 12-month anxiety disorder received any treatment at all. Even more striking, just 9.8% received what researchers considered “possibly adequate” treatment, meaning either consistent therapy sessions or properly supervised medication over a reasonable period.
The gap is worst in low- and middle-income countries, where only 2.3% of people with anxiety disorders received adequate care. In high-income countries, the figure was better but still low at 13.8%. That means even in wealthy nations with established healthcare systems, roughly six out of seven people with an anxiety disorder aren’t getting the help that clinical guidelines recommend.
The Economic Cost
Untreated and undertreated anxiety carries a massive economic toll. The WHO estimates that depression and anxiety together account for 12 billion lost working days each year globally, costing approximately $1 trillion annually in lost productivity. That figure includes absenteeism, reduced performance at work, and people leaving the workforce entirely. Anxiety doesn’t just affect how you feel. It shapes career trajectories, earning potential, and day-to-day functioning in ways that ripple outward.
If you’ve been wondering whether your anxiety is unusual, the short answer is that it isn’t. Anxiety disorders are extraordinarily common across every demographic, every country, and every age group. The real outlier isn’t experiencing anxiety. It’s getting proper support for it.