Social anxiety disorder is relatively common in Japan, with prevalence rates as high as 10%, particularly among women. Cultural factors such as group harmony and strict hierarchical structures may contribute to its high prevalence. Effective treatments, including cognitive-behavioral therapy and medication, are available, but barriers to seeking help exist, such as stigma surrounding mental health issues and difficulty accessing mental health services. Support resources are available, including online support groups and counseling services offered by mental health clinics and hospitals. Prevention strategies may include improving mental health literacy and promoting healthy coping mechanisms such as mindfulness meditation and exercise.