According to the Diagnostic Systems Manual (DSM IV), written in the United States by a group of psychologists, the number of registered suicide attempts in Western countries is usually three times greater than the number of actual suicides.
Potrivit Manualului Sistemului de Diagnosticare (DSM IV), scris in Statele Unite de un grup de psihologi, numarul tentativelor de sinucidere din statele occidentale este de obicei de trei ori mai mare decat numarul de sinucideri reusite.