A study has found that more Japanese student commit suicide on September 1, the first day of school, than on any other day of the year. Experts say that the figure shows the danger of bullying in Japan.

Suicide is the most common cause of death for Japanese people aged 15 to 39, and the country as a whole has an extremely high suicide rate. Between 1972 and 2013, 18,048 people under the age of 18 killed themselves.