A major University of Cambridge systematic review published in 2016 found anxiety has increased dramatically around the world—by about 3.8 to 25 percent. The largest increase was found among women, young people, and in Western countries. The report concluded that anxiety has emerged as a bigger problem than depression, with the U.S. scoring the highest number of people affected by anxiety—8 in 100. That’s an estimated 3.4 percent of the population.
