Large epidemiological studies have not been done in Japan , it is thought that up to 6 million Japanese suffer from depression , with a lifetime prevalence of 13 to 17.3 % .
Which is similar to that seen in Western countries .
Although large epidemiological studies have not been done in Japan , it is thought that up to 6 million Japanese suffer from depression , with a lifetime prevalence of 13 to 17.3 % , which is similar to that seen in Western countries .