How Common Are Dissociative Disorders?

Disclaimer: We are not professionals; we do our best to gather reliable information and statistics. These disorders are still very understudied. There are many factors to consider, such as studies conducted only in inpatient populations, which can lead to skewed percentages. Many of these disorders are also often undiagnosed. Different studies had different results, so we have provided results from multiple studies rather than an absolute number. We think it’s important to look at all the studies rather than picking one “right” one. Often, the correct finding will be in the middle of all of them.

Thanks to traumadissociation.com, the following chart compares the prevalence of dissociative disorders to other mental health conditions, using the DSM & NAMI as sources. Now, if someone says “DID is very rare!” you can put that in perspective with OCD or Bipolar Disorder.

Dissociative Identity Disorder (DID)

The DSM-5-TR states that the prevalence of DID among adults in a small U.S. community study was 1.5%. The prevalence of DID was 1.1% in a sample of women in Turkey.

The National Center for Biotechnology Information (NCBI), part of the United States National Institutes of Health, states that approximately 1.5% of the international population has been diagnosed with DID.

The International Society for the Study of Trauma and Dissociation (ISSTD) states that 0.1-1% of the general population and 0.5-1% of the psychiatric population is diagnosed with DID.

Depersonalization/Derealization Disorder (DPDR)

The DSM-5-TR states that the prevalence of DPDR in the United Kingdom was 1-2%.

The NCBI states that 1-2% of the global population is diagnosed with Depersonalization/Derealization Disorder (DPDR).

Dissociative Amnesia

The DSM-5-TR states that the prevalence of Dissociative Amnesia was 1.8% in a study of adults in a small U.S. community study.

The Cleveland Clinic states that 1% of people assigned male at birth and 2.6% of people assigned female at birth are diagnosed with Dissociative Amnesia.

Sources:

This Wiki 1.0 article used sources from this list.

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