Among the various personality disorders diagnosed in the U.S. population, avoidant and schizoid personality disorders are reported to be the most common.

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Based on 2007 research, it is estimated that slightly more than 9% of the United States population is affected by a personality disorder.

Prevalence of Personality Disorders in the U.S.

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

Most Frequent Personality Disorders

A public health official is developing a mental health outreach program for a city with a population of 500,000 adults. Based on general population estimates for personality disorders in the United States, which of the following figures most accurately projects the number of individuals in this city who might require services related to such a disorder?

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