Less than 4 percent of people in the United States experience a kind of bipolar disorder. Men and women are equally likely to be diagnosed with bipolar disorder. The manifestation of symptoms, however, does vary within the affected population; women are more likely to experience bipolar depression, while men are more likely to have manic episodes.
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Honor Society of Nursing (STTI) answered
According to the NIMH, there is a 2.6%, or 5.7m prevalence in adults in the U.S. and 14.% of children 13-18 years old with a mood disorder. According to WHO, it is the 6th leading disability in the world.
Donna Hill Howes, RN, Administrator, answeredThe actual incidence of bipolar depression -- that is the number of people who get the condition in a given period of time -- is not known. Researchers from Columbia University and the U.S. National Institute of Mental Health (NIMH) estimated that about 1.6% of adults had a medical visit that resulted in a bipolar diagnosis from 2002 to 2003. But some of these diagnoses may have been mistaken, making the statistics inaccurate. The rate for adolescents 19 and younger was 1%. According to the National Institute of Mental Health (NIMH), the prevalence of bipolar disorder in the United States -- the number of people who have the disease, regardless of when they developed it--is about 2.6% of the population over the age of 18.