In the United States, the number of diagnosed cases per year of dissociative identity disorder:
is much lower than expected, given the significantly higher rates of
DID in other parts of the world
has increased, and this seems to be related to media attention paid to
the disorder.
has decreased, and this seems to be related to better and more
accessible treatments for traumatized children.
has been relatively stable over the last 75 years, indicating
that changing societal factors do not influence the development of this
disorder