After conducting 90-minute interviews with thousands of people who were representative of their country's population,the World Health Organization estimated the number of prior-year mental disorders in 28 countries.Which area had the lowest rate of diagnosed psychological disorders?

A) United States
B) Nigeria
C) Italy
D) China

World Health Organization

A specialized agency of the United Nations responsible for international public health.

Psychological Disorders

Conditions characterized by abnormal thoughts, feelings, and behaviors.

Prior-Year Mental Disorders

Refers to any psychological or psychiatric conditions diagnosed or identified in the year preceding the current period of assessment.