What is the statistics of obsessive compulsive disorder in world wide?

According to the World Health Organization (WHO), obsessive-compulsive disorder (OCD) is one of the most common mental disorders worldwide, affecting approximately 2.3% of the population. This translates to around 175 million people living with OCD globally. It is estimated that OCD is roughly equally prevalent in males and females. Moreover, it usually begins in late adolescence or early adulthood, with some variations across different countries and cultures.